181  
FNUS51 KBOX 290832  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
431 AM EDT THU JUL 29 2021  
   
DISCUSSION
 
 
 
HIGH PRESSURE PROVIDES A DRY START TO THURSDAY, THEN SHOWERS AND  
STORMS MOVE FROM WEST TO EAST DURING THE LATE AFTERNOON/EARLY  
EVENING. MINIMUM RELATIVE HUMIDITY VALUES ARE BETWEEN 50 AND 70  
PERCENT. WIND DIRECTION IS SOUTH TO SOUTHEAST BETWEEN 5 AND 10  
KNOTS. DRYING OUT ON FRIDAY WITH MINIMUM RELATIVE HUMIDITY VALUES  
BETWEEN 50 AND 65 PERCENT. WIND DIRECTION NORTHWEST BETWEEN 10 AND  
15 KNOTS.  
 
OUTLOOK...THURSDAY THROUGH SUNDAY...  
 
HIGH PRESSURE BUILDS IN FOR THE START OF THE WEEKEND, THEN A SURFACE  
LOW PRESSURE SYSTEM BRINGS SHOWERS AND STORM SUNDAY AFTERNOON INTO  
MONDAY MORNING. HIGH PRESSURE RETURNS FOR EARLY NEXT WEEK.  
 
MAZ015-292100-  
SUFFOLK MA-  
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 40  
TEMP (24H TREND) 79 (+6) 65 (+2) 81  
RH % (24H TREND) 52 (-1) 100 (0) 44  
20FT WND AM(MPH) SW 5 W 8 G20  
20FT WND PM(MPH) S 11 G21 S 12 G20 NW 11 G23  
PRECIP AMOUNT 0.01 0.42 0.05  
PRECIP DURATION 1 8 1  
PRECIP BEGIN 2 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 5630 260 8300  
TRANSPORT WND (KTS) SW 18 S 13 NW 17  
VENT RATE (KT-FT) 101340 3380 141100  
ADI EARLY 61 GOOD 47 GEN GOOD 71 GOOD  
ADI LATE 63 GOOD 19 GEN POOR 78 GOOD  
MAX LVORI EARLY 4 4 5  
MAX LVORI LATE 1 5 1  
CWR 20 100 100  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING EAST IN THE  
AFTERNOON.  
 

 
 
MAZ016-292100-  
EASTERN NORFOLK MA-  
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 20 80 40  
TEMP (24H TREND) 79 (+6) 65 (+4) 82  
RH % (24H TREND) 50 (-1) 100 (0) 45  
20FT WND AM(MPH) SW 6 W 8 G20  
20FT WND PM(MPH) S 11 G20 S 12 G19 NW 10 G23  
PRECIP AMOUNT 0.01 0.40 0.05  
PRECIP DURATION 0 8 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 5260 240 8180  
TRANSPORT WND (KTS) S 18 S 12 W 17  
VENT RATE (KT-FT) 94680 2880 139060  
ADI EARLY 62 GOOD 47 GEN GOOD 96 GOOD  
ADI LATE 62 GOOD 19 GEN POOR 81 GOOD  
MAX LVORI EARLY 5 4 5  
MAX LVORI LATE 1 6 1  
CWR 20 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING EAST IN THE  
AFTERNOON.  
 

 
 
MAZ013-292100-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,  
NORWOOD, STOUGHTON, AND WELLESLEY  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 40  
TEMP (24H TREND) 77 (+3) 64 (+4) 80  
RH % (24H TREND) 52 (+5) 100 (0) 44  
20FT WND AM(MPH) LGT/VAR W 7 G19  
20FT WND PM(MPH) S 8 G21 S 8 G19 NW 10 G20  
PRECIP AMOUNT 0.03 0.47 0.06  
PRECIP DURATION 1 8 1  
PRECIP BEGIN 1 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 5250 240 8240  
TRANSPORT WND (KTS) S 18 S 10 NW 17  
VENT RATE (KT-FT) 94500 2400 140080  
ADI EARLY 62 GOOD 49 GEN GOOD 94 GOOD  
ADI LATE 65 GOOD 15 GEN POOR 76 GOOD  
MAX LVORI EARLY 6 5 5  
MAX LVORI LATE 1 7 1  
CWR 30 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 

 
 
MAZ014-292100-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,  
AND WOBURN  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 40 80 50  
TEMP (24H TREND) 79 (+4) 64 (+2) 80  
RH % (24H TREND) 52 (+11) 97 (-3) 44  
20FT WND AM(MPH) LGT/VAR W 8 G18  
20FT WND PM(MPH) S 11 G20 S 11 G18 NW 11 G21  
PRECIP AMOUNT 0.02 0.44 0.05  
PRECIP DURATION 1 9 2  
PRECIP BEGIN 1 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 5940 280 8330  
TRANSPORT WND (KTS) SW 17 S 12 NW 18  
VENT RATE (KT-FT) 100980 3360 149940  
ADI EARLY 64 GOOD 45 GEN GOOD 87 GOOD  
ADI LATE 64 GOOD 15 GEN POOR 78 GOOD  
MAX LVORI EARLY 4 4 5  
MAX LVORI LATE 1 5 1  
CWR 20 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS AROUND 60. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH, BECOMING NORTHEAST IN  
THE AFTERNOON.  
 

 
 
MAZ007-292100-  
EASTERN ESSEX MA-  
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,  
PEABODY, SALEM, AND SAUGUS  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 60  
TEMP (24H TREND) 79 (+6) 64 (+4) 81  
RH % (24H TREND) 52 (+6) 100 (0) 44  
20FT WND AM(MPH) LGT/VAR W 9 G19  
20FT WND PM(MPH) S 10 G23 S 11 G23 NW 11 G23  
PRECIP AMOUNT 0.02 0.44 0.07  
PRECIP DURATION 1 9 2  
PRECIP BEGIN 12 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 6140 350 8160  
TRANSPORT WND (KTS) S 17 S 17 NW 18  
VENT RATE (KT-FT) 104380 5950 146880  
ADI EARLY 61 GOOD 30 FAIR 69 GOOD  
ADI LATE 68 GOOD 20 GEN POOR 82 GOOD  
MAX LVORI EARLY 5 4 5  
MAX LVORI LATE 2 5 1  
CWR 10 100 90  
LAL NO TSTMS 16-25 STRIKES16-25 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 15 TO 20 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.   
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. WEST WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH, BECOMING EAST IN THE  
AFTERNOON.  
 

 
 
MAZ006-292100-  
WESTERN ESSEX MA-  
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,  
METHUEN, AND TOPSFIELD  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 50 80 60  
TEMP (24H TREND) 78 (+4) 63 (+4) 79  
RH % (24H TREND) 52 (+9) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 7 G19  
20FT WND PM(MPH) S 8 G20 S 8 G19 NW 10 G22  
PRECIP AMOUNT 0.05 0.54 0.10  
PRECIP DURATION 1 10 2  
PRECIP BEGIN 11 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 6140 360 8180  
TRANSPORT WND (KTS) SW 16 S 16 NW 19  
VENT RATE (KT-FT) 98240 5760 155420  
ADI EARLY 72 GOOD 36 FAIR 84 GOOD  
ADI LATE 80 GOOD 15 GEN POOR 105 VERY GOOD  
MAX LVORI EARLY 6 5 6  
MAX LVORI LATE 1 6 1  
CWR 20 100 90  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S. WEST  
WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH, BECOMING SOUTHEAST  
AROUND 5 MPH IN THE AFTERNOON.  
 

 
 
MAZ005-292100-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,  
HOPKINTON, LOWELL, AND NATICK  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 80 50  
TEMP (24H TREND) 78 (+3) 63 (+3) 79  
RH % (24H TREND) 52 (+4) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 7 G18  
20FT WND PM(MPH) S 8 G20 S 8 G18 NW 10 G21  
PRECIP AMOUNT 0.04 0.45 0.05  
PRECIP DURATION 2 10 2  
PRECIP BEGIN 1 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 6090 260 8320  
TRANSPORT WND (KTS) S 17 S 11 NW 18  
VENT RATE (KT-FT) 103530 2860 149760  
ADI EARLY 65 GOOD 45 GEN GOOD 80 GOOD  
ADI LATE 71 GOOD 15 GEN POOR 102 VERY GOOD  
MAX LVORI EARLY 6 5 5  
MAX LVORI LATE 1 6 1  
CWR 30 100 80  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH.  
 

 
 
MAZ012-292100-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,  
WESTBOROUGH, AND WORCESTER  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 80 40  
TEMP (24H TREND) 76 (+2) 63 (+3) 79  
RH % (24H TREND) 56 (+1) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 7 G20  
20FT WND PM(MPH) S 7 G20 S 7 G18 NW 10 G22  
PRECIP AMOUNT 0.07 0.45 0.06  
PRECIP DURATION 2 9 1  
PRECIP BEGIN 11 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4630 250 7870  
TRANSPORT WND (KTS) S 18 S 11 NW 18  
VENT RATE (KT-FT) 83340 2750 141660  
ADI EARLY 60 GEN GOOD 54 GEN GOOD 78 GOOD  
ADI LATE 72 GOOD 10 POOR 102 VERY GOOD  
MAX LVORI EARLY 5 6 5  
MAX LVORI LATE 1 7 1  
CWR 50 100 100  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
MAZ004-292100-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,  
GARDNER, AND HARVARD  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 80 80 50  
TEMP (24H TREND) 77 (+3) 61 (+2) 78  
RH % (24H TREND) 56 (+22) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 8 G20  
20FT WND PM(MPH) S 8 G20 S 7 G19 NW 11 G22  
PRECIP AMOUNT 0.14 0.49 0.05  
PRECIP DURATION 3 10 1  
PRECIP BEGIN 1 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 5350 260 7900  
TRANSPORT WND (KTS) S 17 SW 9 NW 18  
VENT RATE (KT-FT) 90950 2340 142200  
ADI EARLY 64 GOOD 48 GEN GOOD 69 GOOD  
ADI LATE 71 GOOD 10 POOR 96 GOOD  
MAX LVORI EARLY 6 6 7  
MAX LVORI LATE 1 7 1  
CWR 80 100 60  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS  
5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
MAZ026-292100-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,  
AND TOWNSEND  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 70 80 50  
TEMP (24H TREND) 78 (+2) 61 (+3) 79  
RH % (24H TREND) 56 (+2) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 7 G19  
20FT WND PM(MPH) S 6 G19 S 5 G18 NW 10 G22  
PRECIP AMOUNT 0.11 0.44 0.04  
PRECIP DURATION 2 10 1  
PRECIP BEGIN 1 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 5650 270 7990  
TRANSPORT WND (KTS) S 16 S 10 NW 18  
VENT RATE (KT-FT) 90400 2700 143820  
ADI EARLY 75 GOOD 48 GEN GOOD 83 GOOD  
ADI LATE 79 GOOD 12 POOR 95 GOOD  
MAX LVORI EARLY 6 6 5  
MAX LVORI LATE 1 7 1  
CWR 40 100 70  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. WEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
MAZ002-292100-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,  
AND SHELBURNE  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 80 80 40  
TEMP (24H TREND) 76 (+3) 59 (+3) 75  
RH % (24H TREND) 56 (+11) 100 (0) 43  
20FT WND AM(MPH) LGT/VAR NW 8 G22  
20FT WND PM(MPH) S 7 G22 LGT/VAR NW 11 G23  
PRECIP AMOUNT 0.31 0.52 0.05  
PRECIP DURATION 3 9 1  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4550 270 5910  
TRANSPORT WND (KTS) S 18 S 10 NW 20  
VENT RATE (KT-FT) 81900 2700 118200  
ADI EARLY 37 FAIR 15 GEN POOR 66 GOOD  
ADI LATE 71 GOOD 13 GEN POOR 105 VERY GOOD  
MAX LVORI EARLY 6 7 5  
MAX LVORI LATE 3 7 1  
CWR 100 100 60  
LAL 9-15 STRIKES 9-15 STRIKES 1-8 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 40S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY
 
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS  
AROUND 5 MPH.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 50S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
MAZ003-292100-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,  
AND WHATELY  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 40  
TEMP (24H TREND) 78 (+2) 62 (+4) 78  
RH % (24H TREND) 54 (+20) 100 (0) 42  
20FT WND AM(MPH) LGT/VAR NW 7 G18  
20FT WND PM(MPH) S 7 G20 S 5 G19 NW 10 G22  
PRECIP AMOUNT 0.18 0.46 0.04  
PRECIP DURATION 3 9 1  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4590 250 7210  
TRANSPORT WND (KTS) S 17 S 9 NW 18  
VENT RATE (KT-FT) 78030 2250 129780  
ADI EARLY 38 FAIR 15 GEN POOR 65 GOOD  
ADI LATE 70 GOOD 8 POOR 105 VERY GOOD  
MAX LVORI EARLY 6 6 7  
MAX LVORI LATE 2 6 1  
CWR 100 100 50  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND  
5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 80. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.  
 

 
 
MAZ008-292100-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,  
WILLIAMSBURG, AND WORTHINGTON  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 30  
TEMP (24H TREND) 75 (+2) 60 (+3) 75  
RH % (24H TREND) 60 (+8) 100 (0) 43  
20FT WND AM(MPH) LGT/VAR NW 8 G23  
20FT WND PM(MPH) S 7 G21 S 6 G21 NW 11 G24  
PRECIP AMOUNT 0.33 0.52 0.03  
PRECIP DURATION 4 8 1  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 3800 250 6860  
TRANSPORT WND (KTS) S 18 S 11 NW 21  
VENT RATE (KT-FT) 68400 2750 144060  
ADI EARLY 60 GEN GOOD 16 GEN POOR 78 GOOD  
ADI LATE 74 GOOD 14 GEN POOR 105 VERY GOOD  
MAX LVORI EARLY 6 7 5  
MAX LVORI LATE 3 6 1  
CWR 100 100 30  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS  
10 TO 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 50S. WEST  
WINDS AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 50S. WEST WINDS AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST  
WINDS AROUND 5 MPH.  
 

 
 
MAZ010-292100-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,  
SOUTHAMPTON, AND WARE  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 30  
TEMP (24H TREND) 79 (+2) 63 (+4) 79  
RH % (24H TREND) 58 (+23) 100 (0) 42  
20FT WND AM(MPH) LGT/VAR W 7 G19  
20FT WND PM(MPH) S 8 G20 S 6 G19 NW 10 G22  
PRECIP AMOUNT 0.16 0.50 0.03  
PRECIP DURATION 3 9 1  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4720 250 7620  
TRANSPORT WND (KTS) S 17 S 8 NW 18  
VENT RATE (KT-FT) 80240 2000 137160  
ADI EARLY 56 GEN GOOD 15 GEN POOR 65 GOOD  
ADI LATE 67 GOOD 7 POOR 105 VERY GOOD  
MAX LVORI EARLY 6 6 7  
MAX LVORI LATE 2 6 1  
CWR 100 100 60  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING WEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
80. NORTH WINDS AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.  
 

 
 
MAZ009-292100-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,  
MONTGOMERY, RUSSELL, AND TOLLAND  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 30  
TEMP (24H TREND) 76 (+2) 61 (+3) 76  
RH % (24H TREND) 60 (+5) 100 (0) 43  
20FT WND AM(MPH) LGT/VAR NW 9 G23  
20FT WND PM(MPH) S 8 G20 S 6 G19 NW 12 G24  
PRECIP AMOUNT 0.27 0.58 0.04  
PRECIP DURATION 4 8 1  
PRECIP BEGIN 8 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4140 250 7180  
TRANSPORT WND (KTS) S 18 S 9 NW 21  
VENT RATE (KT-FT) 74520 2250 150780  
ADI EARLY 60 GEN GOOD 13 GEN POOR 72 GOOD  
ADI LATE 68 GOOD 19 GEN POOR 105 VERY GOOD  
MAX LVORI EARLY 6 7 4  
MAX LVORI LATE 3 6 1  
CWR 100 100 90  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50. NORTHWEST WINDS  
10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.  
 

 
 
MAZ011-292100-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,  
SPRINGFIELD, AND WESTFIELD  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 30  
TEMP (24H TREND) 78 (+1) 63 (+1) 79  
RH % (24H TREND) 58 (+14) 100 (0) 43  
20FT WND AM(MPH) LGT/VAR W 7 G20  
20FT WND PM(MPH) S 8 G20 S 7 G21 NW 11 G22  
PRECIP AMOUNT 0.15 0.53 0.06  
PRECIP DURATION 4 9 1  
PRECIP BEGIN 8 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4630 240 7720  
TRANSPORT WND (KTS) S 18 S 8 NW 18  
VENT RATE (KT-FT) 83340 1920 138960  
ADI EARLY 63 GOOD 18 GEN POOR 66 GOOD  
ADI LATE 68 GOOD 8 POOR 105 VERY GOOD  
MAX LVORI EARLY 5 6 5  
MAX LVORI LATE 2 7 1  
CWR 90 100 100  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS  
AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS  
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST AROUND 5 MPH  
IN THE AFTERNOON.  
 

 
 
CTZ002-292100-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,  
SOUTHINGTON, AND WINDSOR LOCKS  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE TSTMS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 30  
TEMP (24H TREND) 78 (0) 64 (+1) 80  
RH % (24H TREND) 56 (+15) 100 (0) 40  
20FT WND AM(MPH) LGT/VAR W 7 G21  
20FT WND PM(MPH) S 8 G20 S 6 G19 NW 11 G23  
PRECIP AMOUNT 0.18 0.50 0.03  
PRECIP DURATION 3 8 1  
PRECIP BEGIN 10 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4660 220 7490  
TRANSPORT WND (KTS) S 14 S 9 NW 19  
VENT RATE (KT-FT) 65240 1980 142310  
ADI EARLY 63 GOOD 52 GEN GOOD 91 GOOD  
ADI LATE 76 GOOD 12 POOR 105 VERY GOOD  
MAX LVORI EARLY 5 6 4  
MAX LVORI LATE 1 6 1  
CWR 100 100 70  
LAL 1-8 STRIKES 16-25 STRIKES9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 52 TO 57. HIGHS  
IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. NORTH WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND  
5 MPH, BECOMING SOUTH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY. HIGHS AROUND 80. NORTHWEST WINDS  
AROUND 5 MPH.  
 

 
 
CTZ003-292100-  
TOLLAND CT-  
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 90 80 30  
TEMP (24H TREND) 76 (+1) 63 (+2) 79  
RH % (24H TREND) 56 (+7) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 8 G20  
20FT WND PM(MPH) S 8 G20 S 6 G20 NW 11 G22  
PRECIP AMOUNT 0.14 0.52 0.04  
PRECIP DURATION 3 9 1  
PRECIP BEGIN 11 AM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4630 220 7360  
TRANSPORT WND (KTS) SW 14 S 8 NW 19  
VENT RATE (KT-FT) 64820 1760 139840  
ADI EARLY 62 GOOD 29 FAIR 71 GOOD  
ADI LATE 67 GOOD 9 POOR 105 VERY GOOD  
MAX LVORI EARLY 6 6 5  
MAX LVORI LATE 1 7 1  
CWR 100 100 90  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO  
10 MPH.    
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. WEST WINDS  
AROUND 5 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE UPPER 50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
CTZ004-292100-  
WINDHAM CT-  
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,  
AND WILLIMANTIC  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 60 80 40  
TEMP (24H TREND) 76 (0) 64 (+3) 81  
RH % (24H TREND) 56 (+4) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 7 G20  
20FT WND PM(MPH) S 7 G20 S 6 G19 NW 10 G22  
PRECIP AMOUNT 0.10 0.59 0.05  
PRECIP DURATION 2 9 1  
PRECIP BEGIN 12 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4010 230 7040  
TRANSPORT WND (KTS) S 17 S 9 NW 18  
VENT RATE (KT-FT) 68170 2070 126720  
ADI EARLY 54 GEN GOOD 32 FAIR 81 GOOD  
ADI LATE 65 GOOD 10 POOR 105 VERY GOOD  
MAX LVORI EARLY 6 6 5  
MAX LVORI LATE 1 6 1  
CWR 90 100 100  
LAL 1-8 STRIKES 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHEAST WINDS  
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTH AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
RIZ001-292100-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,  
AND SMITHFIELD  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 40 80 40  
TEMP (24H TREND) 76 (+1) 64 (+4) 80  
RH % (24H TREND) 54 (-3) 100 (0) 44  
20FT WND AM(MPH) LGT/VAR W 7 G19  
20FT WND PM(MPH) S 6 G22 S 5 G19 NW 10 G21  
PRECIP AMOUNT 0.06 0.57 0.05  
PRECIP DURATION 1 8 1  
PRECIP BEGIN 2 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4200 250 7390  
TRANSPORT WND (KTS) S 13 S 9 NW 17  
VENT RATE (KT-FT) 54600 2250 125630  
ADI EARLY 56 GEN GOOD 44 GEN GOOD 84 GOOD  
ADI LATE 66 GOOD 11 POOR 82 GOOD  
MAX LVORI EARLY 6 5 5  
MAX LVORI LATE 1 6 1  
CWR 70 100 100  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 50S.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTH WINDS AROUND  
5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE UPPER 50S. SOUTH WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER  
MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
RIZ002-292100-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,  
AND PROVIDENCE  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 20 80 40  
TEMP (24H TREND) 79 (+3) 65 (+3) 83  
RH % (24H TREND) 50 (-4) 97 (-3) 44  
20FT WND AM(MPH) LGT/VAR W 8 G19  
20FT WND PM(MPH) S 10 G21 S 8 G19 NW 10 G21  
PRECIP AMOUNT 0.04 0.71 0.04  
PRECIP DURATION 0 8 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4430 300 7310  
TRANSPORT WND (KTS) S 17 S 10 NW 17  
VENT RATE (KT-FT) 75310 3000 124270  
ADI EARLY 57 GEN GOOD 38 FAIR 94 GOOD  
ADI LATE 61 GOOD 15 GEN POOR 82 GOOD  
MAX LVORI EARLY 5 5 5  
MAX LVORI LATE 1 6 1  
CWR 50 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS  
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.    
TUESDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHWEST  
AFTER MIDNIGHT.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND  
80. NORTH WINDS AROUND 5 MPH.  
 

 
 
RIZ003-292100-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 40  
TEMP (24H TREND) 76 (+1) 65 (+5) 80  
RH % (24H TREND) 54 (-4) 97 (-3) 45  
20FT WND AM(MPH) LGT/VAR W 8 G19  
20FT WND PM(MPH) S 9 G20 S 8 G19 NW 10 G21  
PRECIP AMOUNT 0.07 0.85 0.02  
PRECIP DURATION 1 8 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4270 250 7040  
TRANSPORT WND (KTS) S 17 S 10 NW 22  
VENT RATE (KT-FT) 72590 2500 154880  
ADI EARLY 55 GEN GOOD 29 FAIR 92 GOOD  
ADI LATE 59 GEN GOOD 15 GEN POOR 105 VERY GOOD  
MAX LVORI EARLY 6 5 5  
MAX LVORI LATE 1 6 1  
CWR 80 100 80  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 54 TO 59. HIGHS  
IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS AROUND 60. HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
RIZ004-292100-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 40  
TEMP (24H TREND) 78 (+2) 66 (+4) 83  
RH % (24H TREND) 52 (+2) 97 (-3) 44  
20FT WND AM(MPH) LGT/VAR W 9 G19  
20FT WND PM(MPH) S 11 G21 S 10 G19 NW 11 G21  
PRECIP AMOUNT 0.04 0.86 0.02  
PRECIP DURATION 0 8 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4390 340 7300  
TRANSPORT WND (KTS) S 17 S 10 NW 20  
VENT RATE (KT-FT) 74630 3400 146000  
ADI EARLY 56 GEN GOOD 29 FAIR 93 GOOD  
ADI LATE 56 GEN GOOD 15 GEN POOR 105 VERY GOOD  
MAX LVORI EARLY 6 5 5  
MAX LVORI LATE 1 6 1  
CWR 50 100 80  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE  
AFTERNOON.  
 

 
 
RIZ005-292100-  
BRISTOL RI-  
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 20 80 50  
TEMP (24H TREND) 77 (+1) 67 (+4) 83  
RH % (24H TREND) 52 (0) 97 (-3) 44  
20FT WND AM(MPH) S 5 W 10 G18  
20FT WND PM(MPH) S 12 G22 S 13 G21 NW 10 G21  
PRECIP AMOUNT 0.04 0.87 0.03  
PRECIP DURATION 0 9 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4310 350 7290  
TRANSPORT WND (KTS) S 18 S 11 NW 16  
VENT RATE (KT-FT) 77580 3850 116640  
ADI EARLY 47 GEN GOOD 33 FAIR 94 GOOD  
ADI LATE 58 GEN GOOD 17 GEN POOR 97 GOOD  
MAX LVORI EARLY 6 4 5  
MAX LVORI LATE 1 5 1  
CWR 40 100 80  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTH WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE  
AFTERNOON.  
 

 
 
RIZ006-292100-  
WASHINGTON RI-  
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,  
AND WESTERLY  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 50  
TEMP (24H TREND) 76 (+1) 65 (+6) 82  
RH % (24H TREND) 55 (+5) 100 (0) 42  
20FT WND AM(MPH) S 5 W 9 G18  
20FT WND PM(MPH) S 11 G20 S 9 G21 NW 10 G21  
PRECIP AMOUNT 0.06 1.02 0.03  
PRECIP DURATION 1 9 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4010 210 7040  
TRANSPORT WND (KTS) S 13 SW 14 NW 19  
VENT RATE (KT-FT) 52130 2940 133760  
ADI EARLY 38 FAIR 22 FAIR 86 GOOD  
ADI LATE 39 FAIR 17 GEN POOR 97 GOOD  
MAX LVORI EARLY 7 5 5  
MAX LVORI LATE 2 5 1  
CWR 80 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTH IN THE  
AFTERNOON.  
 

 
 
RIZ007-292100-  
NEWPORT RI-  
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 20 80 50  
TEMP (24H TREND) 76 (0) 67 (+4) 82  
RH % (24H TREND) 54 (+5) 97 (-3) 47  
20FT WND AM(MPH) LGT/VAR SW 10 G20  
20FT WND PM(MPH) S 9 G21 S 10 G21 NW 10 G21  
PRECIP AMOUNT 0.04 0.88 0.03  
PRECIP DURATION 0 9 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4000 220 7260  
TRANSPORT WND (KTS) S 12 S 13 NW 15  
VENT RATE (KT-FT) 48000 2860 108900  
ADI EARLY 44 GEN GOOD 27 FAIR 82 GOOD  
ADI LATE 44 GEN GOOD 21 FAIR 78 GOOD  
MAX LVORI EARLY 5 4 5  
MAX LVORI LATE 2 5 1  
CWR 40 100 80  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS  
IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S.  
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. NORTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTH IN THE  
AFTERNOON.  
 

 
 
RIZ008-292100-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 30 80 50  
TEMP (24H TREND) 76 (+2) 67 (+3) 80  
RH % (24H TREND) 62 (-4) 100 (+3) 52  
20FT WND AM(MPH) S 6 W 14 G21  
20FT WND PM(MPH) S 12 G21 S 11 G23 W 14 G23  
PRECIP AMOUNT 0.05 0.74 0.04  
PRECIP DURATION 1 9 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 11 AM  
MIXING HGT (FT-AGL) 1400 180 320  
TRANSPORT WND (KTS) S 8 SW 20 W 20  
VENT RATE (KT-FT) 11200 3600 6400  
ADI EARLY 19 GEN POOR 24 FAIR 26 FAIR  
ADI LATE 21 FAIR 25 FAIR 14 GEN POOR  
MAX LVORI EARLY 4 5 5  
MAX LVORI LATE 3 5 3  
CWR 80 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60. NORTHWEST WINDS  
10 TO 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY AND SUNDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO  
10 MPH.    
MONDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTH WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE  
AFTERNOON.  
 

 
 
MAZ017-292100-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,  
REHOBOTH, AND TAUNTON  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS TSTMS SHOWERS  
CHANCE PRECIP (%) 20 80 40  
TEMP (24H TREND) 77 (+3) 64 (+6) 82  
RH % (24H TREND) 50 (0) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 7 G18  
20FT WND PM(MPH) S 8 G22 S 8 G19 NW 9 G20  
PRECIP AMOUNT 0.02 0.65 0.04  
PRECIP DURATION 0 8 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4660 240 7830  
TRANSPORT WND (KTS) S 17 S 10 NW 16  
VENT RATE (KT-FT) 79220 2400 125280  
ADI EARLY 59 GEN GOOD 49 GEN GOOD 95 GOOD  
ADI LATE 72 GOOD 14 GEN POOR 93 GOOD  
MAX LVORI EARLY 7 5 5  
MAX LVORI LATE 1 6 1  
CWR 30 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.  
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS  
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 60. HIGHS  
IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS AROUND 60. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND  
5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH  
IN THE AFTERNOON.  
 

 
 
MAZ018-292100-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,  
MIDDLEBORO, AND PEMBROKE  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 80 40  
TEMP (24H TREND) 78 (+4) 64 (+6) 82  
RH % (24H TREND) 47 (-4) 100 (0) 45  
20FT WND AM(MPH) LGT/VAR W 8 G19  
20FT WND PM(MPH) S 9 G21 S 8 G19 NW 9 G19  
PRECIP AMOUNT 0.00 0.71 0.05  
PRECIP DURATION 8 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4920 240 8030  
TRANSPORT WND (KTS) S 17 S 10 W 16  
VENT RATE (KT-FT) 83640 2400 128480  
ADI EARLY 58 GEN GOOD 50 GEN GOOD 97 GOOD  
ADI LATE 77 GOOD 15 GEN POOR 95 GOOD  
MAX LVORI EARLY 6 5 5  
MAX LVORI LATE 1 6 1  
CWR 0 100 90  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS  
AROUND 5 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH  
IN THE AFTERNOON.  
 

 
 
MAZ019-292100-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,  
AND SCITUATE  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 80 50  
TEMP (24H TREND) 79 (+7) 65 (+6) 82  
RH % (24H TREND) 45 (-8) 97 (-3) 46  
20FT WND AM(MPH) LGT/VAR SW 10 G20  
20FT WND PM(MPH) S 10 G20 S 11 G22 NW 9 G21  
PRECIP AMOUNT 0.00 0.66 0.06  
PRECIP DURATION 8 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4790 240 7630  
TRANSPORT WND (KTS) S 17 S 13 NW 15  
VENT RATE (KT-FT) 81430 3120 114450  
ADI EARLY 56 GEN GOOD 44 GEN GOOD 81 GOOD  
ADI LATE 73 GOOD 19 GEN POOR 71 GOOD  
MAX LVORI EARLY 6 4 5  
MAX LVORI LATE 1 5 1  
CWR 0 100 100  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER  
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTHWEST WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING EAST IN THE  
AFTERNOON.  
 

 
 
MAZ020-292100-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,  
SWANSEA, AND WESTPORT  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 20 80 50  
TEMP (24H TREND) 77 (+2) 66 (+6) 83  
RH % (24H TREND) 50 (-4) 97 (-3) 44  
20FT WND AM(MPH) LGT/VAR SW 10 G21  
20FT WND PM(MPH) S 11 G21 S 10 G21 W 10 G21  
PRECIP AMOUNT 0.02 0.85 0.04  
PRECIP DURATION 9 1  
PRECIP BEGIN 4 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4430 220 7310  
TRANSPORT WND (KTS) S 12 S 12 W 15  
VENT RATE (KT-FT) 53160 2640 109650  
ADI EARLY 50 GEN GOOD 38 FAIR 92 GOOD  
ADI LATE 58 GEN GOOD 21 FAIR 91 GOOD  
MAX LVORI EARLY 6 4 5  
MAX LVORI LATE 1 6 1  
CWR 0 100 80  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS  
IN THE MID 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE MID 70S. NORTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE  
AFTERNOON.  
 

 
 
MAZ021-292100-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,  
AND WAREHAM  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 80 50  
TEMP (24H TREND) 78 (+3) 66 (+7) 84  
RH % (24H TREND) 48 (-11) 97 (-3) 46  
20FT WND AM(MPH) LGT/VAR SW 11 G20  
20FT WND PM(MPH) S 11 G21 S 9 G20 W 9 G20  
PRECIP AMOUNT 0.00 0.83 0.05  
PRECIP DURATION 8 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 3 PM  
MIXING HGT (FT-AGL) 4560 250 7330  
TRANSPORT WND (KTS) S 11 S 11 W 15  
VENT RATE (KT-FT) 50160 2750 109950  
ADI EARLY 48 GEN GOOD 45 GEN GOOD 94 GOOD  
ADI LATE 66 GOOD 19 GEN POOR 92 GOOD  
MAX LVORI EARLY 6 4 5  
MAX LVORI LATE 1 6 1  
CWR 0 100 100  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 50S. NORTHWEST  
WINDS 5 TO 10 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS  
IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 60S.  
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE  
AFTERNOON.  
 

 
 
MAZ022-292100-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,  
PROVINCETOWN, AND WELLFLEET  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY MCLDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 80 50  
TEMP (24H TREND) 77 (+4) 66 (+8) 82  
RH % (24H TREND) 48 (-9) 93 (-7) 49  
20FT WND AM(MPH) LGT/VAR SW 13 G23  
20FT WND PM(MPH) S 10 G21 S 10 G21 W 9 G21  
PRECIP AMOUNT 0.00 0.75 0.08  
PRECIP DURATION 8 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 4 PM  
MIXING HGT (FT-AGL) 4500 140 7260  
TRANSPORT WND (KTS) S 11 S 17 NW 12  
VENT RATE (KT-FT) 49500 2380 87120  
ADI EARLY 44 GEN GOOD 44 GEN GOOD 60 GEN GOOD  
ADI LATE 47 GEN GOOD 24 FAIR 49 GEN GOOD  
MAX LVORI EARLY 7 4 4  
MAX LVORI LATE 1 4 2  
CWR 0 100 100  
LAL NO TSTMS 9-15 STRIKES 9-15 STRIKES  
HAINES INDEX 2 4 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST  
WINDS 15 TO 20 MPH.    
SATURDAY AND SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER  
60S. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
UPPER 70S. NORTH WINDS 5 TO 10 MPH, BECOMING EAST IN THE  
AFTERNOON.  
 

 
 
MAZ023-292100-  
DUKES MA-  
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 10 80 60  
TEMP (24H TREND) 76 (+2) 66 (+5) 82  
RH % (24H TREND) 54 (-6) 97 (-3) 51  
20FT WND AM(MPH) S 5 SW 15 G22  
20FT WND PM(MPH) S 11 G21 S 10 G22 W 11 G21  
PRECIP AMOUNT 0.00 0.69 0.06  
PRECIP DURATION 9 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 3 PM  
MIXING HGT (FT-AGL) 3550 160 5420  
TRANSPORT WND (KTS) S 10 S 16 W 15  
VENT RATE (KT-FT) 35500 2560 81300  
ADI EARLY 28 FAIR 45 GEN GOOD 71 GOOD  
ADI LATE 38 FAIR 23 FAIR 58 GEN GOOD  
MAX LVORI EARLY 5 4 5  
MAX LVORI LATE 2 5 2  
CWR 0 100 100  
LAL NO TSTMS 16-25 STRIKES16-25 STRIKES  
HAINES INDEX 3 3 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 60. NORTHWEST WINDS  
10 TO 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY AND TUESDAY NIGHT
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS.  
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. NORTHEAST WINDS 5 TO  
10 MPH.    
WEDNESDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE  
MID 70S. NORTH WINDS 5 TO 10 MPH, BECOMING SOUTH IN THE  
AFTERNOON.  
 

 
 
MAZ024-292100-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
431 AM EDT THU JUL 29 2021  
 
TODAY TONIGHT FRI  
 
CLOUD COVER PCLDY CLOUDY PCLDY  
PRECIP TYPE NONE TSTMS SHOWERS  
CHANCE PRECIP (%) 0 80 60  
TEMP (24H TREND) 76 (+2) 67 (+5) 81  
RH % (24H TREND) 52 (-10) 93 (-3) 60  
20FT WND AM(MPH) LGT/VAR SW 16 G23  
20FT WND PM(MPH) S 10 G19 S 10 G20 W 12 G23  
PRECIP AMOUNT 0.00 0.72 0.21  
PRECIP DURATION 8 2  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING 4 PM  
MIXING HGT (FT-AGL) 1050 110 240  
TRANSPORT WND (KTS) S 3 S 20 SW 21  
VENT RATE (KT-FT) 3150 2200 5040  
ADI EARLY 11 POOR 23 FAIR 35 FAIR  
ADI LATE 20 GEN POOR 26 FAIR 17 GEN POOR  
MAX LVORI EARLY 5 4 4  
MAX LVORI LATE 2 4 3  
CWR 0 100 100  
LAL NO TSTMS 16-25 STRIKES16-25 STRIKES  
HAINES INDEX 3 4 3  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
FRIDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 60S. NORTHWEST  
WINDS 10 TO 15 MPH.    
SATURDAY
 
SUNNY. HIGHS IN THE MID 70S. WEST WINDS 10 TO 15 MPH.   
SATURDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 60S. WEST WINDS  
10 TO 15 MPH.    
SUNDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN  
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
MONDAY
 
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE MID  
70S. WEST WINDS 5 TO 10 MPH.    
MONDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
TUESDAY THROUGH WEDNESDAY
 
MOSTLY CLOUDY WITH A CHANCE OF  
SHOWERS. LOWS IN THE MID 60S. HIGHS IN THE MID 70S. WEST WINDS  
5 TO 10 MPH.  
 

 
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.  
 

 
 
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