189  
FNUS51 KCLE 192002  
FWFCLE  
 
FIRE WEATHER PLANNING FORECAST FOR NORTHERN OH AND NORTHWEST PA  
NATIONAL WEATHER SERVICE CLEVELAND OH  
402 PM EDT MON APR 19 2021  
   
DISCUSSION
 
 
A COLD FRONT STRETCHING ACROSS LOWER MICHIGAN TO NORTHERN  
ILLINOIS WILL CONTINUE EAST TONIGHT AND SLOWLY CROSS THE AREA ON  
TUESDAY. LOW PRESSURE WILL MOVE NORTHEAST ALONG THIS SLOWING  
FRONT ON TUESDAY NIGHT AND QUICKLY EXIT THE REGION ON WEDNESDAY.  
A RESIDUAL TROUGH WILL REMAIN ACROSS THE REGION INTO THURSDAY  
MORNING. HIGH PRESSURE WILL BUILD FROM THE SOUTHWEST LATER ON  
THURSDAY INTO FRIDAY.  
 
INCREASING RH VALUES AND CHANCES OF RAIN AND SNOW WILL PRECLUDE  
ANY FIRE WEATHER CONCERNS THROUGH THE END OF THE WEEK.  
 
OHZ003-200930-  
LUCAS-  
INCLUDING THE CITY OF TOLEDO  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY CLOUDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SNOW SHOWERS  
CHANCE PRECIP (%) 30 60 100 30  
TEMP (24H TREND) 37 (-4) 42 (-22) 30 43  
RH % (24H TREND) 79 (+7) 55 (+27) 91 43  
20FT WND-VAL/AM(MPH) LGT/VAR NW 8 G17  
20FT WND-RDG/PM(MPH) W 11 G23 NW 5 N 6 NW 9 G17  
PRECIP AMOUNT 0.02 0.05 0.50 0.06  
PRECIP DURATION 2 2 10 1  
PRECIP BEGIN 7 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING 6 PM  
MIXING HGT(M-AGL/MSL) 1170 2260  
MIXING HGT(FT-AGL/MSL) 3840 7410  
TRANSPORT WND (KTS) NW 8 W 19  
TRANSPORT WND (M/S) NW 4 W 10  
TRANSPORT WND (MPH) NW 9 W 22  
VENT RATE (KT-FT) 30720 140790  
VENT RATE (M/S-M) 4820 22130  
VENT RATE (MPH-FT) 35330 161910  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 0 5  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 35 FAIR 20 GEN POOR 16 GEN POOR 63 GOOD  
ADI LATE 25 FAIR 26 FAIR 14 GEN POOR 77 GOOD  
MAX LVORI EARLY 3 3 5 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. AREAS OF FROST. LOWS IN THE MID 30S.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS AROUND 60. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS AROUND 60.  
NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ006-200930-  
WOOD-  
INCLUDING THE CITIES OF BOWLING GREEN AND PERRYSBURG  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY CLOUDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 50 100 40  
TEMP (24H TREND) 38 (-3) 43 (-22) 31 42  
RH % (24H TREND) 80 (+6) 59 (+32) 92 47  
20FT WND-VAL/AM(MPH) LGT/VAR NW 8  
20FT WND-RDG/PM(MPH) NW 12 G23 N 5 N 8 NW 9  
PRECIP AMOUNT 0.02 0.04 0.54 0.07  
PRECIP DURATION 2 1 10 1  
PRECIP BEGIN 8 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1230 2160  
MIXING HGT(FT-AGL/MSL) 4040 7070  
TRANSPORT WND (KTS) NW 4 W 20  
TRANSPORT WND (M/S) NW 2 W 10  
TRANSPORT WND (MPH) NW 5 W 23  
VENT RATE (KT-FT) 16160 141400  
VENT RATE (M/S-M) 2540 22270  
VENT RATE (MPH-FT) 18580 162610  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 0 5  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 38 FAIR 19 GEN POOR 19 GEN POOR 71 GOOD  
ADI LATE 25 FAIR 27 FAIR 14 GEN POOR 83 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. AREAS OF FROST THROUGH THE NIGHT.  
WIDESPREAD FROST THROUGH THE DAY. LOWS IN THE MID 30S. HIGHS IN  
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS AROUND 60. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ007-200930-  
OTTAWA-  
INCLUDING THE CITIES OF PORT CLINTON, OAK HARBOR, AND GENOA  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY CLOUDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 40 100 40  
TEMP (24H TREND) 39 (-2) 44 (-20) 32 45  
RH % (24H TREND) 78 (-6) 58 (+28) 93 46  
20FT WND-VAL/AM(MPH) NW 5 N 10 G20  
20FT WND-RDG/PM(MPH) W 13 G23 N 6 N 9 G18 NW 11 G19  
PRECIP AMOUNT 0.02 0.03 0.58 0.10  
PRECIP DURATION 1 1 11 1  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1250 2110  
MIXING HGT(FT-AGL/MSL) 4090 6930  
TRANSPORT WND (KTS) NW 6 W 18  
TRANSPORT WND (M/S) NW 3 W 9  
TRANSPORT WND (MPH) NW 7 W 21  
VENT RATE (KT-FT) 24540 124740  
VENT RATE (M/S-M) 3870 19580  
VENT RATE (MPH-FT) 28220 143450  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 0 4  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 35 FAIR 20 GEN POOR 20 GEN POOR 67 GOOD  
ADI LATE 26 FAIR 28 FAIR 17 GEN POOR 72 GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE UPPER  
20S. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE LOWER  
60S. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE MID  
40S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE MID  
60S. WEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ008-200930-  
SANDUSKY-  
INCLUDING THE CITIES OF FREMONT, BELLEVUE, AND CLYDE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY CLOUDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 40 100 50  
TEMP (24H TREND) 39 (-1) 44 (-22) 32 43  
RH % (24H TREND) 80 (-5) 60 (+32) 96 50  
20FT WND-VAL/AM(MPH) LGT/VAR N 8  
20FT WND-RDG/PM(MPH) W 12 G22 N 5 N 8 NW 9  
PRECIP AMOUNT 0.02 0.02 0.58 0.10  
PRECIP DURATION 1 1 10 1  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1230 2070  
MIXING HGT(FT-AGL/MSL) 4020 6810  
TRANSPORT WND (KTS) N 4 W 19  
TRANSPORT WND (M/S) N 2 W 10  
TRANSPORT WND (MPH) N 5 W 22  
VENT RATE (KT-FT) 16080 129390  
VENT RATE (M/S-M) 2540 20270  
VENT RATE (MPH-FT) 18490 148800  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 0 4  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 37 FAIR 20 GEN POOR 21 FAIR 75 GOOD  
ADI LATE 25 FAIR 31 FAIR 15 GEN POOR 92 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE UPPER  
20S. HIGHS IN THE LOWER 50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. AREAS OF FROST. LOWS IN THE MID 30S.  
HIGHS IN THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ017-200930-  
HANCOCK-  
INCLUDING THE CITY OF FINDLAY  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 40 100 40  
TEMP (24H TREND) 39 (-1) 44 (-22) 31 41  
RH % (24H TREND) 80 (+6) 61 (+32) 94 54  
20FT WND-VAL/AM(MPH) LGT/VAR NW 9  
20FT WND-RDG/PM(MPH) NW 11 G22 LGT/VAR N 9 NW 9  
PRECIP AMOUNT 0.01 0.03 0.54 0.07  
PRECIP DURATION 1 1 10 1  
PRECIP BEGIN 11 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1120 1970  
MIXING HGT(FT-AGL/MSL) 3670 6480  
TRANSPORT WND (KTS) N 5 W 23  
TRANSPORT WND (M/S) N 3 W 12  
TRANSPORT WND (MPH) N 6 W 26  
VENT RATE (KT-FT) 18350 149040  
VENT RATE (M/S-M) 2890 23360  
VENT RATE (MPH-FT) 21100 171400  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 5  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 36 FAIR 21 FAIR 23 FAIR 69 GOOD  
ADI LATE 25 FAIR 28 FAIR 16 GEN POOR119 VERY GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS AROUND 50. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE MID 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS AROUND 60.  
NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
SOUTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ018-200930-  
SENECA-  
INCLUDING THE CITIES OF TIFFIN AND FOSTORIA  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 30 100 50  
TEMP (24H TREND) 39 (-1) 44 (-22) 32 41  
RH % (24H TREND) 80 (-4) 60 (+31) 96 52  
20FT WND-VAL/AM(MPH) LGT/VAR NW 8  
20FT WND-RDG/PM(MPH) W 11 G21 N 5 N 9 NW 8  
PRECIP AMOUNT 0.01 0.02 0.52 0.10  
PRECIP DURATION 1 1 10 2  
PRECIP BEGIN 11 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1130 1980  
MIXING HGT(FT-AGL/MSL) 3710 6500  
TRANSPORT WND (KTS) N 4 W 20  
TRANSPORT WND (M/S) N 2 W 10  
TRANSPORT WND (MPH) N 5 W 23  
VENT RATE (KT-FT) 14840 130000  
VENT RATE (M/S-M) 2330 20410  
VENT RATE (MPH-FT) 17070 149500  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 4  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 36 FAIR 22 FAIR 23 FAIR 72 GOOD  
ADI LATE 24 FAIR 25 FAIR 17 GEN POOR106 VERY GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS AROUND 50. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE MID 30S.  
HIGHS AROUND 60. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE MID 60S.  
WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ027-200930-  
WYANDOT-  
INCLUDING THE CITIES OF UPPER SANDUSKY AND CAREY  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY PCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 30 100 50  
TEMP (24H TREND) 40 (+1) 46 (-20) 32 40  
RH % (24H TREND) 78 (-3) 56 (+27) 95 52  
20FT WND-VAL/AM(MPH) LGT/VAR NW 9  
20FT WND-RDG/PM(MPH) W 10 G19 LGT/VAR N 9 G17 NW 9  
PRECIP AMOUNT 0.00 0.02 0.45 0.08  
PRECIP DURATION 1 1 10 1  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1020 1940  
MIXING HGT(FT-AGL/MSL) 3340 6370  
TRANSPORT WND (KTS) N 4 NW 22  
TRANSPORT WND (M/S) N 2 NW 11  
TRANSPORT WND (MPH) N 5 NW 25  
VENT RATE (KT-FT) 13360 140140  
VENT RATE (M/S-M) 2100 22000  
VENT RATE (MPH-FT) 15360 161160  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 4  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 35 FAIR 18 GEN POOR 26 FAIR 60 GEN GOOD  
ADI LATE 25 FAIR 22 FAIR 21 FAIR113 VERY GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS AROUND 50. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS AROUND 60. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. SOUTHWEST WINDS AROUND 5 MPH.  
 

 
 
OHZ028-200930-  
CRAWFORD-  
INCLUDING THE CITIES OF BUCYRUS, GALION, AND CRESTLINE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 20 100 50  
TEMP (24H TREND) 39 (+1) 46 (-19) 32 40  
RH % (24H TREND) 78 (-10) 58 (+28) 95 53  
20FT WND-VAL/AM(MPH) LGT/VAR NW 9  
20FT WND-RDG/PM(MPH) W 10 G19 LGT/VAR NE 10 G17 NW 9  
PRECIP AMOUNT 0.00 0.01 0.41 0.09  
PRECIP DURATION 1 1 9 1  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 950 1900  
MIXING HGT(FT-AGL/MSL) 3110 6240  
TRANSPORT WND (KTS) NW 4 NW 21  
TRANSPORT WND (M/S) NW 2 NW 11  
TRANSPORT WND (MPH) NW 5 NW 24  
VENT RATE (KT-FT) 12440 131040  
VENT RATE (M/S-M) 1960 20570  
VENT RATE (MPH-FT) 14310 150700  
DISPERSION 1 5  
DSI  
SUNSHINE HOURS 1 3  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 34 FAIR 14 GEN POOR 26 FAIR 54 GEN GOOD  
ADI LATE 23 FAIR 20 GEN POOR 23 FAIR 87 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ036-200930-  
MARION-  
INCLUDING THE CITY OF MARION  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY PCLDY  
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 20 100 50  
TEMP (24H TREND) 40 (+2) 48 (-17) 32 40  
RH % (24H TREND) 78 (-6) 56 (+25) 94 52  
20FT WND-VAL/AM(MPH) LGT/VAR NW 10 G17  
20FT WND-RDG/PM(MPH) W 10 G18 LGT/VAR NE 10 G17 NW 9  
PRECIP AMOUNT 0.00 0.01 0.35 0.07  
PRECIP DURATION 0 9 1  
PRECIP BEGIN 3 PM CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 910 1900  
MIXING HGT(FT-AGL/MSL) 2970 6250  
TRANSPORT WND (KTS) NW 5 NW 22  
TRANSPORT WND (M/S) NW 3 NW 11  
TRANSPORT WND (MPH) NW 6 NW 25  
VENT RATE (KT-FT) 14850 137500  
VENT RATE (M/S-M) 2350 21550  
VENT RATE (MPH-FT) 17080 158120  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 2 4  
CWR 0  
LAL 1 1 1 1  
HAINES INDEX 5 2 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 32 FAIR 13 GEN POOR 26 FAIR 57 GEN GOOD  
ADI LATE 27 FAIR 23 FAIR 23 FAIR 85 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ037-200930-  
MORROW-  
INCLUDING THE CITIES OF MOUNT GILEAD AND CARDINGTON  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 100 50  
TEMP (24H TREND) 39 (+1) 50 (-14) 32 40  
RH % (24H TREND) 78 (-10) 57 (+25) 93 53  
20FT WND-VAL/AM(MPH) LGT/VAR NW 10 G17  
20FT WND-RDG/PM(MPH) W 9 G18 LGT/VAR NE 9 G17 NW 10  
PRECIP AMOUNT 0.00 0.00 0.28 0.08  
PRECIP DURATION 9 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 950 1870  
MIXING HGT(FT-AGL/MSL) 3130 6140  
TRANSPORT WND (KTS) W 4 NW 22  
TRANSPORT WND (M/S) W 2 NW 11  
TRANSPORT WND (MPH) W 5 NW 25  
VENT RATE (KT-FT) 12520 135080  
VENT RATE (M/S-M) 1960 21210  
VENT RATE (MPH-FT) 14400 155340  
DISPERSION 1 5  
DSI  
SUNSHINE HOURS 3 3  
CWR 0 0  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 32 FAIR 10 POOR 24 FAIR 60 GEN GOOD  
ADI LATE 22 FAIR 22 FAIR 24 FAIR 83 GOOD  
MAX LVORI EARLY 2 4 3 4  
MAX LVORI LATE 4 3 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE UPPER  
20S. HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
OHZ009-200930-  
ERIE-  
INCLUDING THE CITIES OF SANDUSKY AND HURON  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 30 100 60  
TEMP (24H TREND) 40 (-1) 44 (-20) 33 42  
RH % (24H TREND) 81 (-5) 62 (+32) 95 51  
20FT WND-VAL/AM(MPH) W 6 N 12 G22  
20FT WND-RDG/PM(MPH) W 12 G20 N 6 NE 9 G18 NW 11 G19  
PRECIP AMOUNT 0.02 0.01 0.52 0.11  
PRECIP DURATION 1 1 10 2  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1030 2010  
MIXING HGT(FT-AGL/MSL) 3380 6600  
TRANSPORT WND (KTS) W 4 W 19  
TRANSPORT WND (M/S) W 2 W 10  
TRANSPORT WND (MPH) W 5 W 22  
VENT RATE (KT-FT) 13520 125400  
VENT RATE (M/S-M) 2120 19690  
VENT RATE (MPH-FT) 15550 144210  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 3  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 34 FAIR 27 FAIR 22 FAIR 75 GOOD  
ADI LATE 27 FAIR 30 FAIR 24 FAIR 76 GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 4 3 4 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. LOWS AROUND 30. HIGHS IN THE LOWER  
50S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. SOUTHWEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ019-200930-  
HURON-  
INCLUDING THE CITIES OF NORWALK AND WILLARD  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 30 100 60  
TEMP (24H TREND) 39 (0) 45 (-19) 32 40  
RH % (24H TREND) 80 (-9) 60 (+30) 96 53  
20FT WND-VAL/AM(MPH) LGT/VAR N 9  
20FT WND-RDG/PM(MPH) W 11 G19 N 5 NE 9 NW 10 G17  
PRECIP AMOUNT 0.02 0.01 0.45 0.12  
PRECIP DURATION 1 1 10 2  
PRECIP BEGIN 10 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1030 1860  
MIXING HGT(FT-AGL/MSL) 3380 6110  
TRANSPORT WND (KTS) N 4 W 19  
TRANSPORT WND (M/S) N 2 W 10  
TRANSPORT WND (MPH) N 5 W 22  
VENT RATE (KT-FT) 13520 116090  
VENT RATE (M/S-M) 2120 18220  
VENT RATE (MPH-FT) 15550 133500  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 3  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 35 FAIR 22 FAIR 23 FAIR 71 GOOD  
ADI LATE 24 FAIR 24 FAIR 20 GEN POOR 73 GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 4 3 5 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. AREAS OF FROST. LOWS IN THE MID 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ029-200930-  
RICHLAND-  
INCLUDING THE CITY OF MANSFIELD  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 20 100 60  
TEMP (24H TREND) 39 (+2) 48 (-16) 31 40  
RH % (24H TREND) 80 (-12) 58 (+27) 93 54  
20FT WND-VAL/AM(MPH) LGT/VAR N 9  
20FT WND-RDG/PM(MPH) W 9 G19 LGT/VAR NE 9 NW 9  
PRECIP AMOUNT 0.00 0.01 0.32 0.11  
PRECIP DURATION 1 1 9 3  
PRECIP BEGIN 12 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 900 1800  
MIXING HGT(FT-AGL/MSL) 2960 5920  
TRANSPORT WND (KTS) NW 4 NW 21  
TRANSPORT WND (M/S) NW 2 NW 11  
TRANSPORT WND (MPH) NW 5 NW 24  
VENT RATE (KT-FT) 11840 124320  
VENT RATE (M/S-M) 1860 19480  
VENT RATE (MPH-FT) 13620 142970  
DISPERSION 1 5  
DSI  
SUNSHINE HOURS 2 3  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 34 FAIR 14 GEN POOR 22 FAIR 65 GOOD  
ADI LATE 22 FAIR 22 FAIR 23 FAIR 79 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 3 5 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 40.  
HIGHS IN THE UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ030-200930-  
ASHLAND-  
INCLUDING THE CITY OF ASHLAND  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 20 100 60  
TEMP (24H TREND) 39 (+3) 48 (-16) 32 40  
RH % (24H TREND) 80 (-14) 58 (+27) 93 53  
20FT WND-VAL/AM(MPH) LGT/VAR N 10  
20FT WND-RDG/PM(MPH) W 9 G18 LGT/VAR N 8 NW 10  
PRECIP AMOUNT 0.00 0.01 0.29 0.12  
PRECIP DURATION 1 1 9 3  
PRECIP BEGIN 11 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 890 1810  
MIXING HGT(FT-AGL/MSL) 2920 5940  
TRANSPORT WND (KTS) W 4 NW 20  
TRANSPORT WND (M/S) W 2 NW 10  
TRANSPORT WND (MPH) W 5 NW 23  
VENT RATE (KT-FT) 11680 118800  
VENT RATE (M/S-M) 1840 18660  
VENT RATE (MPH-FT) 13430 136620  
DISPERSION 1 5  
DSI  
SUNSHINE HOURS 2 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 33 FAIR 15 GEN POOR 22 FAIR 73 GOOD  
ADI LATE 26 FAIR 22 FAIR 23 FAIR 79 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 3 5 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ047-200930-  
KNOX-  
INCLUDING THE CITY OF MOUNT VERNON  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 100 50  
TEMP (24H TREND) 39 (+3) 54 (-10) 32 41  
RH % (24H TREND) 78 (-17) 52 (+20) 91 47  
20FT WND-VAL/AM(MPH) LGT/VAR NW 9  
20FT WND-RDG/PM(MPH) W 7 G17 LGT/VAR NE 7 NW 9  
PRECIP AMOUNT 0.00 0.00 0.20 0.07  
PRECIP DURATION 8 1  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1120 1850  
MIXING HGT(FT-AGL/MSL) 3690 6080  
TRANSPORT WND (KTS) SW 6 NW 21  
TRANSPORT WND (M/S) SW 3 NW 11  
TRANSPORT WND (MPH) SW 7 NW 24  
VENT RATE (KT-FT) 22140 127680  
VENT RATE (M/S-M) 3460 20030  
VENT RATE (MPH-FT) 25460 146830  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 4 3  
CWR 0 0  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 30 FAIR 10 POOR 22 FAIR 66 GOOD  
ADI LATE 20 GEN POOR 25 FAIR 24 FAIR 82 GOOD  
MAX LVORI EARLY 2 4 3 4  
MAX LVORI LATE 4 2 4 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE UPPER  
20S. HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS AROUND 40.  
HIGHS AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ038-200930-  
HOLMES-  
INCLUDING THE CITIES OF MILLERSBURG AND KILLBUCK  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY PCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 100 70  
TEMP (24H TREND) 40 (+6) 53 (-11) 32 40  
RH % (24H TREND) 81 (-15) 54 (+23) 94 50  
20FT WND-VAL/AM(MPH) LGT/VAR N 10 G17  
20FT WND-RDG/PM(MPH) W 6 LGT/VAR N 7 NW 9  
PRECIP AMOUNT 0.00 0.00 0.18 0.09  
PRECIP DURATION 8 4  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1030 1840  
MIXING HGT(FT-AGL/MSL) 3390 6040  
TRANSPORT WND (KTS) W 5 NW 20  
TRANSPORT WND (M/S) W 3 NW 10  
TRANSPORT WND (MPH) W 6 NW 23  
VENT RATE (KT-FT) 16950 120800  
VENT RATE (M/S-M) 2650 18970  
VENT RATE (MPH-FT) 19490 138920  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 4 2  
CWR 0 0  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 29 FAIR 13 GEN POOR 22 FAIR 76 GOOD  
ADI LATE 20 GEN POOR 28 FAIR 23 FAIR 81 GOOD  
MAX LVORI EARLY 2 4 3 4  
MAX LVORI LATE 4 2 4 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. WIDESPREAD FROST. LOWS IN THE MID 20S.  
HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
60S. WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ031-200930-  
WAYNE-  
INCLUDING THE CITIES OF WOOSTER, ORRVILLE, AND RITTMAN  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 0 100 70  
TEMP (24H TREND) 39 (+5) 49 (-15) 32 39  
RH % (24H TREND) 82 (-14) 58 (+27) 93 53  
20FT WND-VAL/AM(MPH) LGT/VAR N 10 G18  
20FT WND-RDG/PM(MPH) W 8 LGT/VAR N 8 NW 10  
PRECIP AMOUNT 0.00 0.00 0.23 0.12  
PRECIP DURATION 1 8 4  
PRECIP BEGIN 1 AM 6 PM CONTINUING  
PRECIP END 6 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 940 1830  
MIXING HGT(FT-AGL/MSL) 3070 6010  
TRANSPORT WND (KTS) W 7 NW 21  
TRANSPORT WND (M/S) W 4 NW 11  
TRANSPORT WND (MPH) W 8 NW 24  
VENT RATE (KT-FT) 21490 126210  
VENT RATE (M/S-M) 3390 19810  
VENT RATE (MPH-FT) 24710 145140  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 2 2  
CWR 0  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 32 FAIR 13 GEN POOR 22 FAIR 75 GOOD  
ADI LATE 23 FAIR 22 FAIR 23 FAIR 82 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 3 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
WIDESPREAD FROST. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S.  
WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ020-200930-  
MEDINA-  
INCLUDING THE CITIES OF BRUNSWICK, MEDINA, AND WADSWORTH  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 20 100 70  
TEMP (24H TREND) 39 (+3) 45 (-19) 32 39  
RH % (24H TREND) 84 (-7) 62 (+31) 93 54  
20FT WND-VAL/AM(MPH) LGT/VAR N 10  
20FT WND-RDG/PM(MPH) W 9 G17 NW 5 N 8 NW 10  
PRECIP AMOUNT 0.00 0.01 0.30 0.14  
PRECIP DURATION 1 1 9 4  
PRECIP BEGIN 10 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 910 1780  
MIXING HGT(FT-AGL/MSL) 2990 5840  
TRANSPORT WND (KTS) NW 4 NW 20  
TRANSPORT WND (M/S) NW 2 NW 10  
TRANSPORT WND (MPH) NW 5 NW 23  
VENT RATE (KT-FT) 11960 116800  
VENT RATE (M/S-M) 1880 18350  
VENT RATE (MPH-FT) 13750 134320  
DISPERSION 1 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 34 FAIR 24 FAIR 21 FAIR 75 GOOD  
ADI LATE 27 FAIR 19 GEN POOR 23 FAIR 79 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 3 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
WIDESPREAD FROST THROUGH THE DAY. LOWS IN THE MID 20S. HIGHS IN  
THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
AROUND 60. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. WEST WINDS AROUND 5 MPH.  
 

 
 
OHZ010-200930-  
LORAIN-  
INCLUDING THE CITIES OF LORAIN, ELYRIA, NORTH RIDGEVILLE,  
AND AVON LAKE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 30 100 70  
TEMP (24H TREND) 39 (0) 44 (-20) 32 43  
RH % (24H TREND) 83 (-5) 62 (+32) 93 51  
20FT WND-VAL/AM(MPH) W 5 N 11 G22  
20FT WND-RDG/PM(MPH) W 10 G19 N 6 N 8 NW 11 G20  
PRECIP AMOUNT 0.02 0.01 0.42 0.13  
PRECIP DURATION 1 1 9 3  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 960 1880  
MIXING HGT(FT-AGL/MSL) 3160 6170  
TRANSPORT WND (KTS) W 5 NW 20  
TRANSPORT WND (M/S) W 3 NW 10  
TRANSPORT WND (MPH) W 6 NW 23  
VENT RATE (KT-FT) 15800 123400  
VENT RATE (M/S-M) 2470 19380  
VENT RATE (MPH-FT) 18170 141910  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 34 FAIR 24 FAIR 22 FAIR 74 GOOD  
ADI LATE 26 FAIR 22 FAIR 24 FAIR 77 GOOD  
MAX LVORI EARLY 3 3 4 4  
MAX LVORI LATE 4 3 5 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
PARTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS AROUND 50. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER 60S.  
NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ011-200930-  
CUYAHOGA-  
INCLUDING THE CITY OF CLEVELAND  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 30 100 70  
TEMP (24H TREND) 39 (-3) 44 (-20) 33 41  
RH % (24H TREND) 84 (-1) 61 (+31) 92 52  
20FT WND-VAL/AM(MPH) W 5 N 11 G21  
20FT WND-RDG/PM(MPH) W 8 G17 NW 5 N 7 NW 10 G19  
PRECIP AMOUNT 0.03 0.01 0.36 0.15  
PRECIP DURATION 1 1 9 5  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 960 1830  
MIXING HGT(FT-AGL/MSL) 3160 6010  
TRANSPORT WND (KTS) NW 6 NW 20  
TRANSPORT WND (M/S) NW 3 NW 10  
TRANSPORT WND (MPH) NW 7 NW 23  
VENT RATE (KT-FT) 18960 120200  
VENT RATE (M/S-M) 2970 18870  
VENT RATE (MPH-FT) 21800 138230  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 33 FAIR 22 FAIR 21 FAIR 70 GOOD  
ADI LATE 27 FAIR 15 GEN POOR 26 FAIR 81 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 3 4 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 10 TO 15 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER 60S.  
NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ012-200930-  
LAKE-  
INCLUDING THE CITIES OF MENTOR, WILLOUGHBY, EASTLAKE,  
PAINESVILLE, WILLOWICK, AND WICKLIFFE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 100 80  
TEMP (24H TREND) 39 (-4) 44 (-19) 32 39  
RH % (24H TREND) 87 (+3) 59 (+27) 93 57  
20FT WND-VAL/AM(MPH) W 6 N 12 G22  
20FT WND-RDG/PM(MPH) W 8 NW 6 N 6 NW 11 G19  
PRECIP AMOUNT 0.06 0.02 0.35 0.17  
PRECIP DURATION 2 1 9 6  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 970 1630  
MIXING HGT(FT-AGL/MSL) 3200 5340  
TRANSPORT WND (KTS) W 11 NW 23  
TRANSPORT WND (M/S) W 6 NW 12  
TRANSPORT WND (MPH) W 13 NW 26  
VENT RATE (KT-FT) 35200 122820  
VENT RATE (M/S-M) 5500 19320  
VENT RATE (MPH-FT) 40480 141240  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 4 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 28 FAIR 37 FAIR 20 GEN POOR 60 GEN GOOD  
ADI LATE 26 FAIR 36 FAIR 27 FAIR 85 GOOD  
MAX LVORI EARLY 3 4 4 4  
MAX LVORI LATE 4 2 4 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE LOWER 60S.  
NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ013-200930-  
GEAUGA-  
INCLUDING THE CITIES OF CHARDON, SOUTH RUSSELL, BAINBRIDGE,  
CHESTERLAND, MIDDLEFIELD, AND BURTON  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 40 30 100 80  
TEMP (24H TREND) 38 (-2) 45 (-18) 31 37  
RH % (24H TREND) 88 (-3) 59 (+28) 94 55  
20FT WND-VAL/AM(MPH) LGT/VAR N 9 G17  
20FT WND-RDG/PM(MPH) W 7 NW 5 N 5 NW 9  
PRECIP AMOUNT 0.03 0.01 0.28 0.17  
PRECIP DURATION 2 1 8 6  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1050 1720  
MIXING HGT(FT-AGL/MSL) 3460 5650  
TRANSPORT WND (KTS) W 9 NW 22  
TRANSPORT WND (M/S) W 5 NW 11  
TRANSPORT WND (MPH) W 10 NW 25  
VENT RATE (KT-FT) 31140 124300  
VENT RATE (M/S-M) 4870 19510  
VENT RATE (MPH-FT) 35810 142940  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 32 FAIR 24 FAIR 19 GEN POOR 66 GOOD  
ADI LATE 22 FAIR 29 FAIR 26 FAIR110 VERY GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 3 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY. LOWS IN THE UPPER  
20S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE MID  
30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS AROUND 5 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
OHZ021-200930-  
SUMMIT-  
INCLUDING THE CITY OF AKRON  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 20 100 70  
TEMP (24H TREND) 39 (+2) 48 (-16) 32 39  
RH % (24H TREND) 83 (-14) 56 (+26) 92 51  
20FT WND-VAL/AM(MPH) LGT/VAR N 9  
20FT WND-RDG/PM(MPH) W 8 LGT/VAR N 7 NW 9 G17  
PRECIP AMOUNT 0.00 0.01 0.24 0.14  
PRECIP DURATION 1 0 8 4  
PRECIP BEGIN 10 PM CONTINUING 6 PM CONTINUING  
PRECIP END CONTINUING 10 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 980 1780  
MIXING HGT(FT-AGL/MSL) 3200 5840  
TRANSPORT WND (KTS) W 6 NW 21  
TRANSPORT WND (M/S) W 3 NW 11  
TRANSPORT WND (MPH) W 7 NW 24  
VENT RATE (KT-FT) 19200 122640  
VENT RATE (M/S-M) 3030 19270  
VENT RATE (MPH-FT) 22080 141040  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 2 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 32 FAIR 25 FAIR 20 GEN POOR 72 GOOD  
ADI LATE 28 FAIR 21 FAIR 25 FAIR 91 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 3 4 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. LOWS IN THE LOWER 30S.  
HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ022-200930-  
PORTAGE-  
INCLUDING THE CITIES OF KENT, AURORA, STREETSBORO, AND RAVENNA  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 20 100 80  
TEMP (24H TREND) 39 (+3) 49 (-15) 32 39  
RH % (24H TREND) 84 (-15) 54 (+25) 93 50  
20FT WND-VAL/AM(MPH) LGT/VAR N 9  
20FT WND-RDG/PM(MPH) W 7 LGT/VAR N 6 NW 9  
PRECIP AMOUNT 0.00 0.00 0.20 0.14  
PRECIP DURATION 1 1 8 4  
PRECIP BEGIN 10 PM CONTINUING 6 PM CONTINUING  
PRECIP END CONTINUING 11 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 990 1790  
MIXING HGT(FT-AGL/MSL) 3250 5860  
TRANSPORT WND (KTS) W 6 NW 23  
TRANSPORT WND (M/S) W 3 NW 12  
TRANSPORT WND (MPH) W 7 NW 26  
VENT RATE (KT-FT) 19500 134780  
VENT RATE (M/S-M) 3060 21220  
VENT RATE (MPH-FT) 22430 155000  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 2 1  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 31 FAIR 29 FAIR 21 FAIR 72 GOOD  
ADI LATE 23 FAIR 24 FAIR 24 FAIR 86 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 2 4 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW SHOWERS. LOWS IN THE  
UPPER 20S. HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
OHZ032-200930-  
STARK-  
INCLUDING THE CITIES OF CANTON, MASSILLON, AND ALLIANCE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE NONE NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 0 0 100 70  
TEMP (24H TREND) 40 (+3) 52 (-12) 32 39  
RH % (24H TREND) 81 (-17) 54 (+24) 95 50  
20FT WND-VAL/AM(MPH) LGT/VAR N 10  
20FT WND-RDG/PM(MPH) W 7 LGT/VAR NE 7 NW 10  
PRECIP AMOUNT 0.00 0.00 0.16 0.12  
PRECIP DURATION 7 4  
PRECIP BEGIN 6 PM CONTINUING  
PRECIP END CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1030 1700  
MIXING HGT(FT-AGL/MSL) 3370 5570  
TRANSPORT WND (KTS) W 7 NW 22  
TRANSPORT WND (M/S) W 4 NW 11  
TRANSPORT WND (MPH) W 8 NW 25  
VENT RATE (KT-FT) 23590 122540  
VENT RATE (M/S-M) 3720 19280  
VENT RATE (MPH-FT) 27130 140920  
DISPERSION 2 5  
DSI  
SUNSHINE HOURS 3 2  
CWR 0 0  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 3  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 29 FAIR 19 GEN POOR 22 FAIR 77 GOOD  
ADI LATE 22 FAIR 23 FAIR 24 FAIR 83 GOOD  
MAX LVORI EARLY 2 4 3 4  
MAX LVORI LATE 4 2 4 2  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS AROUND 40. HIGHS  
AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
OHZ033-200930-  
MAHONING-  
INCLUDING THE CITIES OF YOUNGSTOWN, BOARDMAN, AND AUSTINTOWN  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS NONE SHOWERS SHOWERS  
CHANCE PRECIP (%) 20 0 100 80  
TEMP (24H TREND) 40 (+6) 51 (-13) 32 39  
RH % (24H TREND) 81 (-18) 51 (+23) 94 48  
20FT WND-VAL/AM(MPH) LGT/VAR N 10 G17  
20FT WND-RDG/PM(MPH) SW 6 LGT/VAR N 6 NW 10 G17  
PRECIP AMOUNT 0.00 0.00 0.13 0.13  
PRECIP DURATION 1 7 4  
PRECIP BEGIN 1 AM 6 PM CONTINUING  
PRECIP END 6 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1090 1720  
MIXING HGT(FT-AGL/MSL) 3580 5650  
TRANSPORT WND (KTS) W 8 NW 24  
TRANSPORT WND (M/S) W 4 NW 12  
TRANSPORT WND (MPH) W 9 NW 28  
VENT RATE (KT-FT) 28640 135600  
VENT RATE (M/S-M) 4490 21280  
VENT RATE (MPH-FT) 32940 155940  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 3 1  
CWR 0  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 28 FAIR 25 FAIR 19 GEN POOR 78 GOOD  
ADI LATE 24 FAIR 30 FAIR 23 FAIR 88 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 2 4 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE UPPER 20S. HIGHS IN THE UPPER 40S. WEST WINDS 5 TO  
10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.  
 

 
 
OHZ023-200930-  
TRUMBULL-  
INCLUDING THE CITIES OF WARREN AND NILES  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 30 30 100 80  
TEMP (24H TREND) 39 (+5) 49 (-15) 32 39  
RH % (24H TREND) 84 (-16) 53 (+25) 93 49  
20FT WND-VAL/AM(MPH) LGT/VAR N 9 G17  
20FT WND-RDG/PM(MPH) W 6 LGT/VAR N 6 NW 9  
PRECIP AMOUNT 0.01 0.00 0.16 0.15  
PRECIP DURATION 1 1 8 6  
PRECIP BEGIN 10 PM CONTINUING 6 PM CONTINUING  
PRECIP END CONTINUING 10 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1100 1620  
MIXING HGT(FT-AGL/MSL) 3610 5320  
TRANSPORT WND (KTS) W 8 NW 23  
TRANSPORT WND (M/S) W 4 NW 12  
TRANSPORT WND (MPH) W 9 NW 26  
VENT RATE (KT-FT) 28880 122360  
VENT RATE (M/S-M) 4540 19210  
VENT RATE (MPH-FT) 33210 140710  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 2 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 30 FAIR 28 FAIR 18 GEN POOR 74 GOOD  
ADI LATE 25 FAIR 26 FAIR 25 FAIR 85 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 4 2 4 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY. LOWS IN THE UPPER  
20S. HIGHS IN THE UPPER 40S. WEST WINDS 5 TO 10 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ014-200930-  
ASHTABULA INLAND-  
INCLUDING THE CITIES OF JEFFERSON, ORWELL, ANDOVER,  
AND ROAMING SHORES  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 100 80  
TEMP (24H TREND) 38 (-1) 45 (-18) 31 39  
RH % (24H TREND) 90 (-6) 56 (+26) 95 58  
20FT WND-VAL/AM(MPH) W 5 N 10 G19  
20FT WND-RDG/PM(MPH) W 6 NW 6 N 6 NW 10 G18  
PRECIP AMOUNT 0.03 0.01 0.26 0.20  
PRECIP DURATION 2 1 8 9  
PRECIP BEGIN 9 PM CONTINUING 6 PM CONTINUING  
PRECIP END CONTINUING 10 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1160 1610  
MIXING HGT(FT-AGL/MSL) 3800 5280  
TRANSPORT WND (KTS) W 11 NW 25  
TRANSPORT WND (M/S) W 6 NW 13  
TRANSPORT WND (MPH) W 13 NW 29  
VENT RATE (KT-FT) 41800 132000  
VENT RATE (M/S-M) 6580 20750  
VENT RATE (MPH-FT) 48070 151800  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 29 FAIR 35 FAIR 19 GEN POOR 63 GOOD  
ADI LATE 24 FAIR 37 FAIR 26 FAIR 89 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 2 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY. LOWS IN THE UPPER  
20S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. AREAS OF FROST THROUGH THE NIGHT. WARMER.  
LOWS IN THE MID 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO  
10 MPH.    
SATURDAY
 
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
OHZ089-200930-  
ASHTABULA LAKESHORE-  
INCLUDING THE CITIES OF ASHTABULA, CONNEAUT, AND GENEVA  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER CLOUDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 100 80  
TEMP (24H TREND) 39 (-4) 43 (-18) 33 40  
RH % (24H TREND) 89 (-1) 59 (+24) 94 56  
20FT WND-VAL/AM(MPH) W 7 N 13 G23  
20FT WND-RDG/PM(MPH) W 7 NW 7 N 5 NW 12  
PRECIP AMOUNT 0.06 0.02 0.32 0.19  
PRECIP DURATION 2 1 8 7  
PRECIP BEGIN 9 PM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 930 1530  
MIXING HGT(FT-AGL/MSL) 3050 5030  
TRANSPORT WND (KTS) W 15 NW 26  
TRANSPORT WND (M/S) W 8 NW 13  
TRANSPORT WND (MPH) W 17 NW 30  
VENT RATE (KT-FT) 45750 130780  
VENT RATE (M/S-M) 7190 20510  
VENT RATE (MPH-FT) 52610 150400  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 23 FAIR 41 GEN GOOD 21 FAIR 56 GEN GOOD  
ADI LATE 22 FAIR 40 FAIR 29 FAIR 90 GOOD  
MAX LVORI EARLY 4 4 4 4  
MAX LVORI LATE 4 2 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. A CHANCE OF SNOW AND RAIN SHOWERS.  
LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST WINDS 10 TO  
15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER  
50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE LOWER 40S.  
HIGHS AROUND 60. SOUTHEAST WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS AROUND 60.  
NORTHWEST WINDS 5 TO 10 MPH.  
 

 
 
PAZ001-200930-  
NORTHERN ERIE-  
INCLUDING THE CITY OF ERIE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
CHANCE PRECIP (%) 50 40 100 80  
TEMP (24H TREND) 40 (-5) 43 (-18) 33 40  
RH % (24H TREND) 82 (+4) 54 (+18) 87 51  
20FT WND-VAL/AM(MPH) W 9 N 14 G23  
20FT WND-RDG/PM(MPH) SW 7 W 8 N 5 NW 11  
PRECIP AMOUNT 0.08 0.01 0.29 0.26  
PRECIP DURATION 2 1 8 11  
PRECIP BEGIN 9 PM CONTINUING 6 PM CONTINUING  
PRECIP END CONTINUING 10 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 910 1350  
MIXING HGT(FT-AGL/MSL) 2980 4440  
TRANSPORT WND (KTS) W 16 NW 17  
TRANSPORT WND (M/S) W 8 NW 9  
TRANSPORT WND (MPH) W 18 NW 20  
VENT RATE (KT-FT) 47680 75480  
VENT RATE (M/S-M) 7510 11830  
VENT RATE (MPH-FT) 54830 86800  
DISPERSION 3 4  
DSI  
SUNSHINE HOURS 1 1  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 21 FAIR 44 GEN GOOD 19 GEN POOR 58 GEN GOOD  
ADI LATE 22 FAIR 43 GEN GOOD 29 FAIR 75 GOOD  
MAX LVORI EARLY 3 3 3 4  
MAX LVORI LATE 3 2 4 1  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY AND A CHANCE OF  
RAIN SHOWERS. LOWS IN THE LOWER 30S. HIGHS IN THE UPPER 40S. WEST  
WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. LOWS IN THE UPPER 30S. HIGHS IN THE MID  
50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS AROUND 40. HIGHS IN THE UPPER 50S.  
WEST WINDS 5 TO 10 MPH.  
 

 
 
PAZ002-200930-  
SOUTHERN ERIE-  
INCLUDING THE CITIES OF EDINBORO, CORRY, AND UNION CITY  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY CLOUDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SNOW SHOWERS  
CHANCE PRECIP (%) 50 40 100 80  
TEMP (24H TREND) 36 (-6) 44 (-17) 30 37  
RH % (24H TREND) 88 (+4) 53 (+21) 93 57  
20FT WND-VAL/AM(MPH) W 7 N 11 G20  
20FT WND-RDG/PM(MPH) W 6 W 7 N 5 NW 11  
PRECIP AMOUNT 0.06 0.01 0.24 0.26  
PRECIP DURATION 2 1 8 11  
PRECIP BEGIN 9 PM CONTINUING 6 PM CONTINUING  
PRECIP END CONTINUING 10 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1130 1300  
MIXING HGT(FT-AGL/MSL) 3710 4280  
TRANSPORT WND (KTS) W 14 NW 18  
TRANSPORT WND (M/S) W 7 NW 9  
TRANSPORT WND (MPH) W 16 NW 21  
VENT RATE (KT-FT) 51940 77040  
VENT RATE (M/S-M) 8150 12060  
VENT RATE (MPH-FT) 59730 88600  
DISPERSION 4 4  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 24 FAIR 44 GEN GOOD 17 GEN POOR 61 GOOD  
ADI LATE 21 FAIR 46 GEN GOOD 25 FAIR 75 GOOD  
MAX LVORI EARLY 4 4 3 4  
MAX LVORI LATE 4 2 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY AND A CHANCE OF  
RAIN SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST  
WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WARMER. LOWS IN THE MID 30S. HIGHS IN THE  
MID 50S. WEST WINDS 10 TO 15 MPH.    
SATURDAY
 
PARTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE UPPER  
30S. HIGHS IN THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE LOWER 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE  
UPPER 50S. WEST WINDS 5 TO 10 MPH.  
 

 
 
PAZ003-200930-  
CRAWFORD-  
INCLUDING THE CITIES OF MEADVILLE AND TITUSVILLE  
402 PM EDT MON APR 19 2021  
 
TONIGHT TUE TUE NIGHT WED  
 
CLOUD COVER MCLDY MCLDY MCLDY MCLDY  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SNOW SHOWERS  
CHANCE PRECIP (%) 40 30 100 80  
TEMP (24H TREND) 37 (-2) 46 (-15) 31 37  
RH % (24H TREND) 88 (-6) 54 (+24) 93 57  
20FT WND-VAL/AM(MPH) W 5 N 9 G17  
20FT WND-RDG/PM(MPH) SW 5 NW 6 N 5 NW 9  
PRECIP AMOUNT 0.03 0.01 0.17 0.20  
PRECIP DURATION 1 1 7 10  
PRECIP BEGIN 9 PM CONTINUING 7 PM CONTINUING  
PRECIP END CONTINUING 10 AM CONTINUING CONTINUING  
MIXING HGT(M-AGL/MSL) 1150 1320  
MIXING HGT(FT-AGL/MSL) 3780 4320  
TRANSPORT WND (KTS) W 12 NW 24  
TRANSPORT WND (M/S) W 6 NW 12  
TRANSPORT WND (MPH) W 14 NW 28  
VENT RATE (KT-FT) 45360 103680  
VENT RATE (M/S-M) 7110 16330  
VENT RATE (MPH-FT) 52160 119230  
DISPERSION 3 5  
DSI  
SUNSHINE HOURS 1 2  
CWR  
LAL 1 1 1 1  
HAINES INDEX 5 3 3 2  
RH RECOVERY EXCELLENT EXCELLENT  
STABILITY CLASS  
ADI EARLY 28 FAIR 36 FAIR 11 POOR 64 GOOD  
ADI LATE 20 GEN POOR 38 FAIR 23 FAIR 77 GOOD  
MAX LVORI EARLY 3 4 3 4  
MAX LVORI LATE 5 2 4 3  
 
REMARKS: ADI IS ATMOSPHERIC DISPERSION INDEX BY LAVDAS.  
LVORI IS LOW VISIBILITY OCCURRENCE RISK INDEX.  
   
FORECAST FOR DAYS 3 THROUGH 7
 
 
   
THURSDAY
 
MOSTLY CLOUDY. SNOW SHOWERS LIKELY AND A CHANCE OF  
RAIN SHOWERS. LOWS IN THE UPPER 20S. HIGHS IN THE MID 40S. WEST  
WINDS 10 TO 15 MPH.    
FRIDAY
 
MOSTLY CLEAR. WIDESPREAD FROST. WARMER. LOWS IN THE  
LOWER 30S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.    
SATURDAY
 
PARTLY CLOUDY. SHOWERS LIKELY. LOWS IN THE UPPER 30S.  
HIGHS AROUND 60. SOUTH WINDS AROUND 5 MPH.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF SHOWERS. LOWS IN THE LOWER  
40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.    
MONDAY
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE UPPER  
50S. NORTHWEST WINDS 5 TO 10 MPH.  
 

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

 
 
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