421  
FNUS51 KBUF 181133  
FWFBUF  
 
FIRE WEATHER PLANNING FORECAST FOR WESTERN NEW YORK  
NATIONAL WEATHER SERVICE BUFFALO NY  
733 AM EDT MON OCT 18 2021  
   
DISCUSSION
 
 
LAKE EFFECT RAINS ON A WEST TO NORTHWEST FLOW WILL TAPER OFF, FIRST  
EAST OF LAKE ERIE TODAY, AND THEN SOUTHEAST OF LAKE ONTARIO TONIGHT.  
A BRIEF PERIOD OF DRY WEATHER WITH WARM TEMPERATURES IS THEN IN  
STORE TUESDAY THROUGH WEDNESDAY BEFORE ANOTHER COLD FRONT BRINGS THE  
RETURN TO UNSETTLED WEATHER THURSDAY.  
 
NYZ001-002-010-011-182100-  
NIAGARA-ORLEANS-NORTHERN ERIE-GENESEE-  
733 AM EDT MON OCT 18 2021  
 
TODAY TONIGHT TUE  
CLOUD COVER MCLDY MCLEAR MCLEAR  
PRECIP CHC (%) 0 0 0  
PRECIP TYPE NONE NONE NONE  
MAX/MIN TEMP 53 40 68  
AM WIND (MPH) NW 11 W 8  
PM WIND (MPH) NW 12 NW 9 W 12  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIN/MAX HUMIDITY (%) 51 95 44  
HAINES INDEX 3 4 4  
LAL 1 1 1  
MIXING HEIGHT (FT-AGL) 5390 70 4140  
TRANSPORT WIND (KT) NW 20 NW 19 W 25  
VENT RATE (KT-FT) 107800 1330 103500  
DISPERSION INDEX 108 1 104  
REMARKS...NONE.  
 

 
 
NYZ012-019>021-085-182100-  
WYOMING-CHAUTAUQUA-CATTARAUGUS-ALLEGANY-SOUTHERN ERIE-  
733 AM EDT MON OCT 18 2021  
 
TODAY TONIGHT TUE  
CLOUD COVER MCLDY MCLEAR MCLEAR  
PRECIP CHC (%) 0 0 0  
PRECIP TYPE NONE NONE NONE  
MAX/MIN TEMP 52 36 66  
AM WIND (MPH) NW 11 W 7  
PM WIND (MPH) NW 12 NW 10 W 10  
PRECIP AMOUNT 0.00 0.00 0.00  
PRECIP DURATION  
PRECIP BEGIN  
PRECIP END  
MIN/MAX HUMIDITY (%) 56 100 43  
HAINES INDEX 4 4 4  
LAL 1 1 1  
MIXING HEIGHT (FT-AGL) 5200 70 5200  
TRANSPORT WIND (KT) NW 21 NW 20 W 24  
VENT RATE (KT-FT) 109200 1400 124800  
DISPERSION INDEX 109 1 125  
REMARKS...NONE.  
 

 
 
NYZ003>005-013-014-182100-  
MONROE-WAYNE-NORTHERN CAYUGA-LIVINGSTON-ONTARIO-  
733 AM EDT MON OCT 18 2021  
 
TODAY TONIGHT TUE  
CLOUD COVER MCLDY PCLDY MCLEAR  
PRECIP CHC (%) 30 0 0  
PRECIP TYPE SHOWERS NONE NONE  
MAX/MIN TEMP 51 40 68  
AM WIND (MPH) NW 12 W 9  
PM WIND (MPH) NW 13 NW 10 W 11  
PRECIP AMOUNT 0.08 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 6 AM  
PRECIP END 3 PM  
MIN/MAX HUMIDITY (%) 60 96 42  
HAINES INDEX 3 3 4  
LAL 1 1 1  
MIXING HEIGHT (FT-AGL) 5500 70 5270  
TRANSPORT WIND (KT) NW 23 NW 21 W 25  
VENT RATE (KT-FT) 126500 1470 131750  
DISPERSION INDEX 127 1 132  
REMARKS...NONE.  
 

 
 
NYZ006>008-182100-  
OSWEGO-JEFFERSON-LEWIS-  
733 AM EDT MON OCT 18 2021  
 
TODAY TONIGHT TUE  
CLOUD COVER MCLDY PCLDY MCLEAR  
PRECIP CHC (%) 40 0 0  
PRECIP TYPE SHOWERS NONE NONE  
MAX/MIN TEMP 48 33 64  
AM WIND (MPH) NW 5 W 6  
PM WIND (MPH) NW 8 NW 6 W 10  
PRECIP AMOUNT 0.06 0.00 0.00  
PRECIP DURATION 2  
PRECIP BEGIN 7 AM  
PRECIP END 3 PM  
MIN/MAX HUMIDITY (%) 58 98 48  
HAINES INDEX 3 4 4  
LAL 1 1 1  
MIXING HEIGHT (FT-AGL) 5210 70 4630  
TRANSPORT WIND (KT) NW 15 NW 15 W 22  
VENT RATE (KT-FT) 78150 1050 101860  
DISPERSION INDEX 78 1 102  
REMARKS...NONE.  
 

 
   
EXTENDED FORECAST
 
 
   
TUESDAY NIGHT
 
MOSTLY CLEAR. LOWS IN THE MID 50S.    
WEDNESDAY
 
SUNNY. HIGHS IN THE MID 60S.    
THURSDAY
 
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER  
60S.    
FRIDAY
 
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. COOLER. LOWS IN  
THE MID 40S. HIGHS IN THE LOWER 50S.    
SATURDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS IN THE  
LOWER 40S. HIGHS IN THE LOWER 50S.    
SUNDAY
 
MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS. LOWS AROUND  
40. HIGHS IN THE LOWER 50S.  
 
WIND TUESDAY NIGHT...WEST AROUND 10 MPH.  
WIND WEDNESDAY...WEST AROUND 10 MPH.  
WIND THURSDAY...SOUTHWEST AROUND 5 MPH.  
WIND FRIDAY...WEST 5 TO 10 MPH.  
WIND SATURDAY...NORTH AROUND 5 MPH.  
WIND SUNDAY...WEST AROUND 5 MPH.  
   
OUTLOOK 8 TO 14 DAYS
 
 
TEMPERATURES ABOVE NORMAL. PRECIPITATION NEAR NORMAL.  
 

 
 
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