836  
FNUS51 KBUF 142034  
FWFBUF  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN NEW YORK  
NATIONAL WEATHER SERVICE BUFFALO NY  
433 PM EDT WED APR 14 2021  
   
DISCUSSION
 
 
CALM WEATHER IN PLACE TODAY AS HIGH PRESSURE REMAINS IN CONTROL.  
CONDITIONS WILL DETERIORATE LATER TONIGHT, LASTING THROUGH THE  
END OF THE WORK WEEK WHEN A LARGE STORM SYSTEM WILL BRING WIDESPREAD  
SHOWERS ACROSS THE REGION. WHILE THE WESTERN COUNTIES WILL LIKELY  
RECEIVE A QUARTER TO ONE THIRD OF AN INCH OF PRECIPITATION, A  
STEADY RAIN COULD PRODUCE IN EXCESS OF AN INCH OF RAINFALL FOR  
PARTS OF THE EASTERN LAKE ONTARIO REGION, ALONG WITH SOME  
ACCUMULATING HIGHER ELEVATION WET SNOW THURSDAY NIGHT.  
 
NYZ001-002-010-011-150900-  
NIAGARA-ORLEANS-NORTHERN ERIE-GENESEE-  
433 PM EDT WED APR 14 2021  
 
TONIGHT THU THU NIGHT FRI  
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY  
PRECIP CHC (%) 50 60 60 70  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
MIN/MAX TEMP 40 47 35 48  
AM WIND (MPH) W 6 W 7  
PM WIND (MPH) SW 6 W 10 W 7 W 8  
PRECIP AMOUNT 0.04 0.07 0.07 0.12  
PRECIP DURATION 1 6 8 5  
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MAX/MIN HUMIDITY (%) 87 56 96 56  
HAINES INDEX 4 3 3 3  
LAL 1 1 1 1  
MIXING HEIGHT (FT-AGL) 70 7010 70 4460  
TRANSPORT WIND (KT) SW 12 W 17 SW 15 NW 16  
VENT RATE (KT-FT) 840 119170 1050 71360  
DISPERSION INDEX 1 119 1 71  
REMARKS...NONE.  
 

 
 
NYZ012-019>021-085-150900-  
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-  
433 PM EDT WED APR 14 2021  
 
TONIGHT THU THU NIGHT FRI  
CLOUD COVER PCLDY MCLDY MCLDY MCLDY  
PRECIP CHC (%) 40 60 70 70  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
MIN/MAX TEMP 37 45 31 44  
AM WIND (MPH) W 6 W 8  
PM WIND (MPH) LGT/VAR W 9 W 7 W 10  
PRECIP AMOUNT 0.03 0.06 0.08 0.10  
PRECIP DURATION 1 4 7 9  
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MAX/MIN HUMIDITY (%) 87 48 100 58  
HAINES INDEX 3 3 3 3  
LAL 1 1 1 1  
MIXING HEIGHT (FT-AGL) 70 7980 70 4720  
TRANSPORT WIND (KT) NW 10 W 19 W 14 W 21  
VENT RATE (KT-FT) 700 151620 980 99120  
DISPERSION INDEX 1 152 1 99  
REMARKS...NONE.  
 

 
 
NYZ003>005-013-014-150900-  
MONROE-WAYNE-NORTHERN CAYUGA-LIVINGSTON-ONTARIO-  
433 PM EDT WED APR 14 2021  
 
TONIGHT THU THU NIGHT FRI  
CLOUD COVER PCLDY MCLDY MCLDY CLOUDY  
PRECIP CHC (%) 40 70 50 70  
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS  
MIN/MAX TEMP 41 48 35 48  
AM WIND (MPH) W 6 W 6  
PM WIND (MPH) LGT/VAR W 9 W 6 NW 9  
PRECIP AMOUNT 0.01 0.12 0.04 0.13  
PRECIP DURATION 1 9 2 5  
PRECIP BEGIN 3 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MAX/MIN HUMIDITY (%) 82 50 99 55  
HAINES INDEX 4 3 3 3  
LAL 1 1 1 1  
MIXING HEIGHT (FT-AGL) 70 8760 70 5610  
TRANSPORT WIND (KT) NW 8 W 16 W 12 NW 18  
VENT RATE (KT-FT) 560 140160 840 100980  
DISPERSION INDEX 1 140 1 101  
REMARKS...NONE.  
 

 
 
NYZ006>008-150900-  
OSWEGO-JEFFERSON-LEWIS-  
433 PM EDT WED APR 14 2021  
 
TONIGHT THU THU NIGHT FRI  
CLOUD COVER PCLDY CLOUDY MCLDY CLOUDY  
PRECIP CHC (%) 40 90 80 70  
PRECIP TYPE SHOWERS SHOWERS SNOW/RAIN SNOW/RAIN  
MIN/MAX TEMP 41 47 32 48  
AM WIND (MPH) LGT/VAR LGT/VAR  
PM WIND (MPH) LGT/VAR LGT/VAR LGT/VAR NW 5  
PRECIP AMOUNT 0.02 0.38 0.26 0.12  
PRECIP DURATION 1 10 12 7  
PRECIP BEGIN 2 AM CONTINUING CONTINUING CONTINUING  
PRECIP END CONTINUING CONTINUING CONTINUING CONTINUING  
MAX/MIN HUMIDITY (%) 91 62 99 58  
HAINES INDEX 4 2 3 3  
LAL 1 1 1 1  
MIXING HEIGHT (FT-AGL) 70 4240 70 5290  
TRANSPORT WIND (KT) W 8 W 12 SW 9 N 12  
VENT RATE (KT-FT) 560 50880 630 63480  
DISPERSION INDEX 1 51 1 63  
REMARKS...NONE.  
 

 
   
EXTENDED FORECAST
 
 
   
FRIDAY NIGHT
 
CLOUDY WITH RAIN SHOWERS LIKELY. LOWS IN THE  
UPPER 30S.    
SATURDAY
 
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S.    
SUNDAY
 
MOSTLY CLOUDY WITH A CHANCE OF RAIN SHOWERS. LOWS IN  
THE UPPER 30S. HIGHS IN THE MID 50S.    
MONDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE MID 50S.    
TUESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
UPPER 30S. HIGHS IN THE LOWER 50S.    
WEDNESDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN AND SNOW SHOWERS.  
LOWS IN THE MID 30S. HIGHS IN THE UPPER 40S.  
 
WIND FRIDAY NIGHT...NORTH AROUND 5 MPH.  
WIND SATURDAY...NORTH AROUND 5 MPH.  
WIND SUNDAY...SOUTH AROUND 5 MPH.  
WIND MONDAY...SOUTHWEST AROUND 5 MPH.  
WIND TUESDAY...SOUTHWEST 5 TO 10 MPH.  
WIND WEDNESDAY...WEST 5 TO 10 MPH.  
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.  
 

 
 
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