911  
FNUS51 KBOX 230820  
FWFBOX  
 
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
419 AM EDT FRI APR 23 2021  
   
DISCUSSION
 
 
 
BLUSTERY WEST WINDS CONTINUE TODAY ALONG THE LOW RELATIVE HUMIDITY  
RESULTING IN ELEVATED FIRE WEATHER POTENTIAL. CONTINUED DRY SATURDAY  
WITH WITH LESS WIND.  
 
MINIMUM RELATIVE HUMIDITY WILL BE 20 TO 30 PERCENT TODAY AND  
SATURDAY, BUT HIGHER OVER THE CAPE AND ISLANDS.  
 
OUTLOOK...SUNDAY THROUGH WEDNESDAY...  
 
A COASTAL STORM WILL BRING PERIODS OF RAIN SUNDAY FOLLOWED BY  
BLUSTERY AND DRIER CONDITIONS MONDAY. DRY WITH A WARMING TREND  
TUESDAY, THEN A BACKDOOR FRONT COULD BRING COOLER TEMPERATURES  
WEDNESDAY AND THURSDAY, BUT THE LOCATION OF THE FRONT IS UNCERTAIN.  
 
MAZ015-232100-  
SUFFOLK MA-  
INCLUDING THE CITIES OF BOSTON, CHELSEA, REVERE, AND WINTHROP  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 61 (+14) 41 (+7) 72  
RH % (24H TREND) 23 (-8) 70 (+9) 22  
20FT WND AM(MPH) W 14 G26 W 8  
20FT WND PM(MPH) W 15 G27 W 10 G23 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7770 100 9980  
TRANSPORT WND (KTS) W 29 W 9 W 15  
VENT RATE (KT-FT) 225330 900 149700  
ADI EARLY 105 VERY GOOD83 GOOD 70 GOOD  
ADI LATE 105 VERY GOOD8 POOR 94 GOOD  
MAX LVORI EARLY 1 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
MID 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ016-232100-  
EASTERN NORFOLK MA-  
INCLUDING THE CITIES OF BRAINTREE, MILTON, QUINCY, AND WEYMOUTH  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+13) 41 (+7) 73  
RH % (24H TREND) 23 (-13) 68 (+5) 23  
20FT WND AM(MPH) W 13 G26 W 8  
20FT WND PM(MPH) W 15 G27 W 10 G23 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7630 100 9750  
TRANSPORT WND (KTS) W 29 W 9 W 16  
VENT RATE (KT-FT) 221270 900 156000  
ADI EARLY 105 VERY GOOD87 GOOD 76 GOOD  
ADI LATE 105 VERY GOOD7 POOR 95 GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING EAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ013-232100-  
WESTERN NORFOLK MA-  
INCLUDING THE CITIES OF BELLINGHAM, DEDHAM, FOXBOROUGH, MEDFIELD,  
NORWOOD, STOUGHTON, AND WELLESLEY  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+15) 39 (+6) 73  
RH % (24H TREND) 22 (-11) 70 (+4) 20  
20FT WND AM(MPH) W 11 G26 W 7  
20FT WND PM(MPH) W 14 G26 W 8 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7860 110 10030  
TRANSPORT WND (KTS) W 29 W 8 W 16  
VENT RATE (KT-FT) 227940 880 160480  
ADI EARLY 105 VERY GOOD83 GOOD 90 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 97 GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ014-232100-  
SOUTHEAST MIDDLESEX MA-  
INCLUDING THE CITIES OF CAMBRIDGE, LEXINGTON, NEWTON, WALTHAM,  
AND WOBURN  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 61 (+14) 41 (+8) 73  
RH % (24H TREND) 21 (-14) 70 (+9) 20  
20FT WND AM(MPH) W 12 G26 W 7  
20FT WND PM(MPH) W 15 G27 W 9 G22 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7820 110 10140  
TRANSPORT WND (KTS) W 30 W 8 W 16  
VENT RATE (KT-FT) 234600 880 162240  
ADI EARLY 105 VERY GOOD85 GOOD 83 GOOD  
ADI LATE 105 VERY GOOD7 POOR 99 GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.   
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S. SOUTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ007-232100-  
EASTERN ESSEX MA-  
INCLUDING THE CITIES OF BEVERLY, GLOUCESTER, NEWBURYPORT,  
PEABODY, SALEM, AND SAUGUS  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+14) 40 (+6) 72  
RH % (24H TREND) 25 (-10) 71 (+4) 23  
20FT WND AM(MPH) W 14 G28 W 8  
20FT WND PM(MPH) W 15 G28 W 10 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7620 100 10150  
TRANSPORT WND (KTS) W 29 W 10 W 14  
VENT RATE (KT-FT) 220980 1000 142100  
ADI EARLY 105 VERY GOOD79 GOOD 49 GEN GOOD  
ADI LATE 105 VERY GOOD8 POOR 77 GOOD  
MAX LVORI EARLY 1 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST  
WINDS 5 TO 10 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING EAST 10 TO 15 MPH IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ006-232100-  
WESTERN ESSEX MA-  
INCLUDING THE CITIES OF AMESBURY, ANDOVER, HAVERHILL, LAWRENCE,  
METHUEN, AND TOPSFIELD  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+15) 39 (+6) 72  
RH % (24H TREND) 23 (-11) 73 (+12) 20  
20FT WND AM(MPH) W 12 G27 W 6  
20FT WND PM(MPH) W 14 G27 W 9 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7680 120 10510  
TRANSPORT WND (KTS) W 30 W 8 W 16  
VENT RATE (KT-FT) 230400 960 168160  
ADI EARLY 105 VERY GOOD85 GOOD 81 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 101 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH  
WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS AROUND 70. SOUTHEAST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS AROUND 50.  
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ005-232100-  
CENTRAL MIDDLESEX MA-  
INCLUDING THE CITIES OF BURLINGTON, CHELMSFORD, FRAMINGHAM,  
HOPKINTON, LOWELL, AND NATICK  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+15) 39 (+7) 72  
RH % (24H TREND) 22 (-13) 76 (+13) 21  
20FT WND AM(MPH) W 11 G26 W 6  
20FT WND PM(MPH) W 14 G27 W 8 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7780 110 10380  
TRANSPORT WND (KTS) W 30 W 8 W 15  
VENT RATE (KT-FT) 233400 880 155700  
ADI EARLY 105 VERY GOOD82 GOOD 90 GOOD  
ADI LATE 105 VERY GOOD7 POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.   
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ012-232100-  
SOUTHERN WORCESTER MA-  
INCLUDING THE CITIES OF MILFORD, OXFORD, STURBRIDGE, UXBRIDGE,  
WESTBOROUGH, AND WORCESTER  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 57 (+13) 39 (+8) 71  
RH % (24H TREND) 24 (-12) 67 (-8) 23  
20FT WND AM(MPH) W 11 G27 W 7  
20FT WND PM(MPH) W 13 G27 W 8 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7810 140 9860  
TRANSPORT WND (KTS) W 30 W 8 W 16  
VENT RATE (KT-FT) 234300 1120 157760  
ADI EARLY 105 VERY GOOD81 GOOD 92 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.   
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
MAZ004-232100-  
NORTHERN WORCESTER MA-  
INCLUDING THE CITIES OF ATHOL, BOYLSTON, BROOKFIELD, FITCHBURG,  
GARDNER, AND HARVARD  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 57 (+15) 36 (+7) 70  
RH % (24H TREND) 24 (-10) 85 (+7) 21  
20FT WND AM(MPH) W 12 G28 W 7  
20FT WND PM(MPH) W 14 G28 W 9 G23 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7570 120 9970  
TRANSPORT WND (KTS) W 31 W 8 W 16  
VENT RATE (KT-FT) 234670 960 159520  
ADI EARLY 105 VERY GOOD82 GOOD 91 GOOD  
ADI LATE 105 VERY GOOD5 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.   
SUNDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO  
10 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
MAZ026-232100-  
NORTHERN MIDDLESEX MA-  
INCLUDING THE CITIES OF ASHBY, AYER, GROTON, PEPPERELL, SHIRLEY,  
AND TOWNSEND  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+16) 38 (+7) 72  
RH % (24H TREND) 24 (-12) 76 (+10) 22  
20FT WND AM(MPH) W 11 G27 W 6  
20FT WND PM(MPH) W 13 G27 W 8 G23 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7570 110 10150  
TRANSPORT WND (KTS) W 31 W 8 W 16  
VENT RATE (KT-FT) 234670 880 162400  
ADI EARLY 105 VERY GOOD81 GOOD 97 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN  
THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS AROUND  
40. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN  
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ002-232100-  
WESTERN FRANKLIN MA-  
INCLUDING THE CITIES OF ASHFIELD, CHARLEMONT, COLRAIN,  
AND SHELBURNE  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 55 (+15) 34 (+7) 67  
RH % (24H TREND) 25 (-14) 92 (+4) 26  
20FT WND AM(MPH) W 11 G28 W 6  
20FT WND PM(MPH) W 13 G28 W 8 G23 W 5  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7260 120 9010  
TRANSPORT WND (KTS) W 32 W 9 W 15  
VENT RATE (KT-FT) 232320 1080 135150  
ADI EARLY 105 VERY GOOD80 GOOD 104 VERY GOOD  
ADI LATE 105 VERY GOOD7 POOR 105 VERY GOOD  
MAX LVORI EARLY 3 2 4  
MAX LVORI LATE 1 4 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE LOWER 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 30S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. WEST WINDS  
AROUND 5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ003-232100-  
EASTERN FRANKLIN MA-  
INCLUDING THE CITIES OF GREENFIELD, LEVERETT, NORTHFIELD, ORANGE,  
AND WHATELY  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 57 (+15) 36 (+7) 70  
RH % (24H TREND) 24 (-13) 85 (0) 22  
20FT WND AM(MPH) W 10 G26 W 5  
20FT WND PM(MPH) W 13 G26 W 7 G22 W 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7400 100 9170  
TRANSPORT WND (KTS) W 29 W 5 W 15  
VENT RATE (KT-FT) 214600 500 137550  
ADI EARLY 105 VERY GOOD81 GOOD 90 GOOD  
ADI LATE 105 VERY GOOD3 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 4  
MAX LVORI LATE 1 4 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S.  
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST IN THE  
AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. WEST WINDS  
AROUND 5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
MAZ008-232100-  
WESTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF CHESTERFIELD, PLAINFIELD, WESTHAMPTON,  
WILLIAMSBURG, AND WORTHINGTON  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 55 (+15) 35 (+7) 66  
RH % (24H TREND) 24 (-15) 82 (-2) 26  
20FT WND AM(MPH) W 11 G28 W 7  
20FT WND PM(MPH) W 13 G28 W 8 G23 W 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7350 130 9090  
TRANSPORT WND (KTS) W 31 W 8 W 14  
VENT RATE (KT-FT) 227850 1040 127260  
ADI EARLY 105 VERY GOOD80 GOOD 91 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 4  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE  
LOWER 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
CLOUDY WITH RAIN LIKELY. HIGHS IN THE MID 50S. EAST  
WINDS AROUND 5 MPH, BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON.   
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE MID 60S. WEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ010-232100-  
EASTERN HAMPSHIRE MA-  
INCLUDING THE CITIES OF AMHERST, BELCHERTOWN, NORTHAMPTON,  
SOUTHAMPTON, AND WARE  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 59 (+15) 37 (+7) 71  
RH % (24H TREND) 22 (-14) 79 (+1) 22  
20FT WND AM(MPH) W 10 G26 W 5  
20FT WND PM(MPH) W 13 G26 W 7 G21 W 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7550 110 9260  
TRANSPORT WND (KTS) W 28 SW 5 W 14  
VENT RATE (KT-FT) 211400 550 129640  
ADI EARLY 105 VERY GOOD76 GOOD 100 GOOD  
ADI LATE 105 VERY GOOD3 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID  
40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS AROUND 5 MPH,  
BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN  
THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS AROUND 70. WEST WINDS AROUND  
5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S. SOUTH WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
MAZ009-232100-  
WESTERN HAMPDEN MA-  
INCLUDING THE CITIES OF BLANDFORD, CHESTER, GRANVILLE,  
MONTGOMERY, RUSSELL, AND TOLLAND  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 56 (+16) 37 (+9) 67  
RH % (24H TREND) 23 (-14) 76 (-5) 25  
20FT WND AM(MPH) W 11 G27 W 6  
20FT WND PM(MPH) W 13 G27 W 8 G23 W 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7420 110 8960  
TRANSPORT WND (KTS) W 29 W 8 W 14  
VENT RATE (KT-FT) 215180 880 125440  
ADI EARLY 105 VERY GOOD78 GOOD 105 VERY GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID  
40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS AROUND 5 MPH,  
BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY, WARMER. HIGHS IN THE UPPER 60S. WEST WINDS  
AROUND 5 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ011-232100-  
EASTERN HAMPDEN MA-  
INCLUDING THE CITIES OF CHICOPEE, HOLLAND, PALMER, SOUTHWICK,  
SPRINGFIELD, AND WESTFIELD  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+15) 37 (+6) 70  
RH % (24H TREND) 22 (-13) 79 (+4) 23  
20FT WND AM(MPH) W 10 G26 W 5  
20FT WND PM(MPH) W 13 G27 W 7 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7990 110 9320  
TRANSPORT WND (KTS) W 28 W 5 W 14  
VENT RATE (KT-FT) 223720 550 130480  
ADI EARLY 105 VERY GOOD76 GOOD 84 GOOD  
ADI LATE 105 VERY GOOD3 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID  
40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH,  
BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN  
THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
CTZ002-232100-  
HARTFORD CT-  
INCLUDING THE CITIES OF HARTFORD, GLASTONBURY, GRANBY,  
SOUTHINGTON, AND WINDSOR LOCKS  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 61 (+15) 39 (+7) 71  
RH % (24H TREND) 22 (-11) 73 (-15) 22  
20FT WND AM(MPH) W 9 G24 W 5  
20FT WND PM(MPH) W 12 G24 W 6 G20 W 6  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8320 110 9280  
TRANSPORT WND (KTS) W 25 W 5 W 13  
VENT RATE (KT-FT) 208000 550 120640  
ADI EARLY 100 GOOD 94 GOOD 105 VERY GOOD  
ADI LATE 105 VERY GOOD3 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE  
UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH,  
BECOMING NORTH IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS  
AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
CTZ003-232100-  
TOLLAND CT-  
INCLUDING THE CITIES OF MANSFIELD, STAFFORD SPRINGS, AND VERNON  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 59 (+14) 37 (+7) 70  
RH % (24H TREND) 23 (-12) 73 (-12) 23  
20FT WND AM(MPH) W 10 G26 W 5  
20FT WND PM(MPH) W 13 G26 W 7 G22 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7670 90 9090  
TRANSPORT WND (KTS) W 28 W 5 W 15  
VENT RATE (KT-FT) 214760 450 136350  
ADI EARLY 105 VERY GOOD76 GOOD 85 GOOD  
ADI LATE 105 VERY GOOD3 VERY POOR 105 VERY GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID  
40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH,  
BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS  
5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 40. HIGHS IN  
THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
CTZ004-232100-  
WINDHAM CT-  
INCLUDING THE CITIES OF ASHFORD, PLAINFIELD, PUTNAM,  
AND WILLIMANTIC  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 59 (+13) 38 (+7) 70  
RH % (24H TREND) 24 (-11) 70 (-5) 24  
20FT WND AM(MPH) W 10 G25 W 6  
20FT WND PM(MPH) W 13 G26 W 7 G21 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7720 110 9130  
TRANSPORT WND (KTS) W 28 W 6 W 15  
VENT RATE (KT-FT) 216160 660 136950  
ADI EARLY 105 VERY GOOD78 GOOD 87 GOOD  
ADI LATE 105 VERY GOOD4 VERY POOR 95 GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID  
40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST  
WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ001-232100-  
NORTHWEST PROVIDENCE RI-  
INCLUDING THE CITIES OF CUMBERLAND, FOSTER, GLOCESTER,  
AND SMITHFIELD  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 58 (+13) 39 (+7) 70  
RH % (24H TREND) 24 (-11) 67 (-5) 23  
20FT WND AM(MPH) W 11 G25 W 7  
20FT WND PM(MPH) W 13 G26 W 7 G20 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7960 110 9600  
TRANSPORT WND (KTS) W 29 W 7 W 15  
VENT RATE (KT-FT) 230840 770 144000  
ADI EARLY 105 VERY GOOD79 GOOD 92 GOOD  
ADI LATE 105 VERY GOOD5 VERY POOR 95 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO 10 MPH.   
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ002-232100-  
SOUTHEAST PROVIDENCE RI-  
INCLUDING THE CITIES OF CRANSTON, JOHNSTON, PAWTUCKET,  
AND PROVIDENCE  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+13) 41 (+8) 71  
RH % (24H TREND) 23 (-10) 62 (-4) 24  
20FT WND AM(MPH) W 11 G25 W 7  
20FT WND PM(MPH) W 14 G25 W 8 G20 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8090 120 9580  
TRANSPORT WND (KTS) W 28 W 8 W 15  
VENT RATE (KT-FT) 226520 960 143700  
ADI EARLY 105 VERY GOOD78 GOOD 90 GOOD  
ADI LATE 105 VERY GOOD5 VERY POOR 97 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING WEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ003-232100-  
WESTERN KENT RI-  
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 58 (+13) 39 (+8) 69  
RH % (24H TREND) 25 (-8) 64 (-8) 25  
20FT WND AM(MPH) W 11 G24 W 7  
20FT WND PM(MPH) W 13 G25 W 8 G20 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7890 110 9250  
TRANSPORT WND (KTS) W 29 W 7 W 15  
VENT RATE (KT-FT) 228810 770 138750  
ADI EARLY 105 VERY GOOD77 GOOD 92 GOOD  
ADI LATE 105 VERY GOOD4 VERY POOR 95 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE  
UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. WEST WINDS 5 TO 10 MPH.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS AROUND 50.  
HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ004-232100-  
EASTERN KENT RI-  
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+12) 42 (+8) 70  
RH % (24H TREND) 23 (-10) 60 (-7) 25  
20FT WND AM(MPH) W 12 G25 W 7  
20FT WND PM(MPH) W 14 G25 W 8 G21 W 9  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8050 130 9300  
TRANSPORT WND (KTS) W 28 W 8 W 15  
VENT RATE (KT-FT) 225400 1040 139500  
ADI EARLY 104 VERY GOOD78 GOOD 84 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 91 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE  
UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS AROUND 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS AROUND 70. SOUTH WINDS 10 TO 15 MPH.  
 

 
 
RIZ005-232100-  
BRISTOL RI-  
INCLUDING THE CITIES OF BARRINGTON, BRISTOL, AND WARREN  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+12) 42 (+7) 68  
RH % (24H TREND) 25 (-10) 65 (-4) 27  
20FT WND AM(MPH) W 13 G25 W 7  
20FT WND PM(MPH) W 14 G25 W 9 G21 SW 9  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8080 150 8850  
TRANSPORT WND (KTS) W 27 W 8 W 15  
VENT RATE (KT-FT) 218160 1200 132750  
ADI EARLY 104 VERY GOOD78 GOOD 74 GOOD  
ADI LATE 105 VERY GOOD5 VERY POOR 84 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
MID 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS AROUND 60. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ006-232100-  
WASHINGTON RI-  
INCLUDING THE CITIES OF KINGSTON, NARRAGANSETT, RICHMOND,  
AND WESTERLY  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 58 (+10) 39 (+6) 69  
RH % (24H TREND) 25 (-10) 79 (+9) 25  
20FT WND AM(MPH) W 11 G24 W 7  
20FT WND PM(MPH) W 13 G25 W 7 G20 SW 9  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7860 80 9010  
TRANSPORT WND (KTS) W 27 W 7 W 15  
VENT RATE (KT-FT) 212220 560 135150  
ADI EARLY 97 GOOD 69 GOOD 68 GOOD  
ADI LATE 105 VERY GOOD5 VERY POOR 79 GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE MID  
40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ007-232100-  
NEWPORT RI-  
INCLUDING THE CITIES OF NEWPORT, PORTSMOUTH, AND TIVERTON  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 57 (+9) 42 (+6) 65  
RH % (24H TREND) 28 (-8) 73 (+1) 30  
20FT WND AM(MPH) W 13 G26 W 7  
20FT WND PM(MPH) W 14 G25 W 9 G20 SW 10 G18  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7890 100 7050  
TRANSPORT WND (KTS) W 27 W 8 SW 14  
VENT RATE (KT-FT) 213030 800 98700  
ADI EARLY 95 GOOD 64 GOOD 37 FAIR  
ADI LATE 105 VERY GOOD6 VERY POOR 41 GEN GOOD  
MAX LVORI EARLY 1 2 3  
MAX LVORI LATE 1 3 2  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH RAIN LIKELY. LOWS IN THE  
UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
MID 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
RIZ008-232100-  
BLOCK ISLAND RI-  
INCLUDING THE CITY OF NEW SHOREHAM  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 54 (+7) 44 (+7) 59  
RH % (24H TREND) 35 (-9) 74 (+10) 47  
20FT WND AM(MPH) W 18 G26 W 10  
20FT WND PM(MPH) W 18 G30 W 12 G23 SW 12 G19  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 3930 70 190  
TRANSPORT WND (KTS) W 33 W 12 SW 15  
VENT RATE (KT-FT) 129690 840 2850  
ADI EARLY 75 GOOD 29 FAIR 16 GEN POOR  
ADI LATE 100 GOOD 14 GEN POOR 22 FAIR  
MAX LVORI EARLY 1 2 3  
MAX LVORI LATE 1 3 2  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
RAIN. LOWS IN THE UPPER 40S. SOUTH WINDS 10 TO  
15 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE LOWER 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
PARTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. SOUTH WINDS 10 TO 15 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. SOUTH WINDS 10 TO 15 MPH.  
 

 
 
MAZ017-232100-  
NORTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ATTLEBORO, BERKLEY, EASTON, MANSFIELD,  
REHOBOTH, AND TAUNTON  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+13) 39 (+6) 71  
RH % (24H TREND) 23 (-8) 67 (+1) 23  
20FT WND AM(MPH) W 10 G25 W 6  
20FT WND PM(MPH) W 13 G25 W 7 G21 W 7  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8100 160 9960  
TRANSPORT WND (KTS) W 29 W 7 W 15  
VENT RATE (KT-FT) 234900 1120 149400  
ADI EARLY 105 VERY GOOD82 GOOD 85 GOOD  
ADI LATE 105 VERY GOOD4 VERY POOR 96 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING WEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE LOWER  
50S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ018-232100-  
WESTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF BRIDGEWATER, BROCKTON, CARVER,  
MIDDLEBORO, AND PEMBROKE  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 61 (+13) 40 (+7) 73  
RH % (24H TREND) 23 (-8) 67 (+4) 20  
20FT WND AM(MPH) W 11 G25 W 6  
20FT WND PM(MPH) W 14 G26 W 8 G22 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8050 120 9990  
TRANSPORT WND (KTS) W 29 W 8 W 16  
VENT RATE (KT-FT) 233450 960 159840  
ADI EARLY 105 VERY GOOD83 GOOD 83 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 99 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 5 TO  
10 MPH, BECOMING EAST IN THE AFTERNOON.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS AROUND  
5 MPH, BECOMING WEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ019-232100-  
EASTERN PLYMOUTH MA-  
INCLUDING THE CITIES OF COHASSET, HINGHAM, MARSHFIELD, PLYMOUTH,  
AND SCITUATE  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 60 (+13) 40 (+5) 71  
RH % (24H TREND) 25 (-10) 70 (+6) 23  
20FT WND AM(MPH) W 13 G28 W 8  
20FT WND PM(MPH) W 15 G27 W 10 G23 W 8  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7750 100 9740  
TRANSPORT WND (KTS) W 29 W 10 W 14  
VENT RATE (KT-FT) 224750 1000 136360  
ADI EARLY 105 VERY GOOD81 GOOD 54 GEN GOOD  
ADI LATE 105 VERY GOOD8 POOR 77 GOOD  
MAX LVORI EARLY 1 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ020-232100-  
SOUTHERN BRISTOL MA-  
INCLUDING THE CITIES OF ACUSHNET, FALL RIVER, NEW BEDFORD,  
SWANSEA, AND WESTPORT  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 59 (+11) 41 (+6) 70  
RH % (24H TREND) 24 (-9) 76 (+7) 25  
20FT WND AM(MPH) W 12 G26 W 7  
20FT WND PM(MPH) W 14 G25 W 8 G21 SW 9 G18  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 8100 110 9670  
TRANSPORT WND (KTS) W 28 W 8 W 15  
VENT RATE (KT-FT) 226800 880 145050  
ADI EARLY 103 VERY GOOD75 GOOD 71 GOOD  
ADI LATE 105 VERY GOOD6 VERY POOR 87 GOOD  
MAX LVORI EARLY 2 2 2  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ021-232100-  
SOUTHERN PLYMOUTH MA-  
INCLUDING THE CITIES OF MARION, MATTAPOISETT, ROCHESTER,  
AND WAREHAM  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 58 (+10) 40 (+5) 69  
RH % (24H TREND) 25 (-8) 73 (+7) 26  
20FT WND AM(MPH) W 12 G26 W 6  
20FT WND PM(MPH) W 14 G25 W 8 G21 SW 9 G18  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7940 140 9810  
TRANSPORT WND (KTS) W 28 W 8 W 16  
VENT RATE (KT-FT) 222320 1120 156960  
ADI EARLY 103 VERY GOOD79 GOOD 73 GOOD  
ADI LATE 105 VERY GOOD7 POOR 90 GOOD  
MAX LVORI EARLY 2 2 3  
MAX LVORI LATE 1 3 1  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE MID 40S. SOUTHWEST WINDS 5 TO 10 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 60S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ022-232100-  
BARNSTABLE MA-  
INCLUDING THE CITIES OF BOURNE, CHATHAM, FALMOUTH, HYANNIS,  
PROVINCETOWN, AND WELLFLEET  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 57 (+10) 42 (+6) 66  
RH % (24H TREND) 28 (-7) 82 (+15) 31  
20FT WND AM(MPH) W 15 G29 W 9  
20FT WND PM(MPH) W 15 G28 W 11 G24 SW 10 G19  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 7500 120 5720  
TRANSPORT WND (KTS) W 29 W 11 SW 14  
VENT RATE (KT-FT) 217500 1320 80080  
ADI EARLY 95 GOOD 68 GOOD 19 GEN POOR  
ADI LATE 105 VERY GOOD9 POOR 29 FAIR  
MAX LVORI EARLY 1 2 3  
MAX LVORI LATE 1 3 2  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 5  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST  
WINDS 10 TO 15 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 15 TO  
20 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 15 TO 20 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 15 TO 20 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO  
15 MPH, BECOMING SOUTHWEST 5 TO 10 MPH IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE MID  
40S. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.  
 

 
 
MAZ023-232100-  
DUKES MA-  
INCLUDING THE CITIES OF EDGARTOWN, OAK BLUFFS, AND VINEYARD HAVEN  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER MCLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 54 (+6) 41 (+4) 62  
RH % (24H TREND) 32 (-6) 86 (+22) 38  
20FT WND AM(MPH) W 17 G28 W 10  
20FT WND PM(MPH) W 18 G31 W 12 G27 SW 12 G19  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 5940 90 1200  
TRANSPORT WND (KTS) W 33 W 12 SW 16  
VENT RATE (KT-FT) 196020 1080 19200  
ADI EARLY 87 GOOD 46 GEN GOOD 18 GEN POOR  
ADI LATE 105 VERY GOOD11 POOR 22 FAIR  
MAX LVORI EARLY 1 3 3  
MAX LVORI LATE 1 3 2  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 3 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. EAST WINDS 10 TO 15 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
LOWER 40S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE LOWER 40S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO  
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.  
 

 
 
MAZ024-232100-  
NANTUCKET MA-  
INCLUDING THE CITY OF NANTUCKET  
419 AM EDT FRI APR 23 2021  
 
TODAY TONIGHT SAT  
 
CLOUD COVER CLEAR CLEAR MCLEAR  
PRECIP TYPE NONE NONE NONE  
CHANCE PRECIP (%) 0 0 0  
TEMP (24H TREND) 54 (+7) 44 (+6) 58  
RH % (24H TREND) 42 (+1) 83 (+16) 49  
20FT WND AM(MPH) W 19 G28 W 11  
20FT WND PM(MPH) W 21 G34 W 16 G31 SW 13 G20  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIXING HGT (FT-AGL) 4200 100 570  
TRANSPORT WND (KTS) W 38 W 14 W 16  
VENT RATE (KT-FT) 159600 1400 9120  
ADI EARLY 86 GOOD 58 GEN GOOD 20 GEN POOR  
ADI LATE 105 VERY GOOD16 GEN POOR 23 FAIR  
MAX LVORI EARLY 1 3 3  
MAX LVORI LATE 1 4 2  
CWR 0 0 0  
LAL NO TSTMS NO TSTMS NO TSTMS  
HAINES INDEX 4 4 4  
 
REMARKS...NONE.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
   
SATURDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN  
THE UPPER 40S. SOUTHWEST WINDS 10 TO 15 MPH.    
SUNDAY
 
RAIN. HIGHS IN THE MID 50S. SOUTHEAST WINDS 15 TO  
20 MPH.    
SUNDAY NIGHT
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN. LOWS IN THE  
MID 40S. NORTHWEST WINDS 15 TO 20 MPH.    
MONDAY AND MONDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 40S.  
HIGHS IN THE MID 50S. NORTHWEST WINDS 15 TO 20 MPH.    
TUESDAY
 
SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO  
15 MPH, BECOMING WEST IN THE AFTERNOON.    
TUESDAY NIGHT AND WEDNESDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 50S. SOUTH WINDS 5 TO 10 MPH.    
WEDNESDAY NIGHT AND THURSDAY
 
MOSTLY CLOUDY. LOWS IN THE UPPER  
40S. HIGHS IN THE MID 50S. SOUTH WINDS 5 TO 10 MPH.  
 

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

 
 
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