452  
FNUS71 KBUF 171512  
FWSBUF  
 
SPOT FORECAST FOR AMAN NORTH...USFS  
NATIONAL WEATHER SERVICE BUFFALO NY  
1112 AM EDT THU APR 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1200 EDT ON APRIL 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
HIGH PRESSURE WILL BRING A RETURN TO DRY WEATHER AND SUNSHINE TODAY.  
MINIMUM RELATIVE HUMIDITY WILL DROP INTO THE 25 TO 30 PERCENT RANGE  
BY MID TO LATE AFTERNOON, WITH LOCALLY LOWER RELATIVE HUMIDITY  
POSSIBLE IN OPEN EXPOSURES. NORTHWEST WINDS 8 TO 14 MPH THIS  
AFTERNOON WITH A FEW HIGHER GUSTS, ESPECIALLY NEAR RIDGETOPS.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (0 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 54.  
MIN HUMIDITY........30 PERCENT.  
EYE LEVEL WINDS.....NORTHWEST WINDS 5 TO 8 MPH.  
20 FOOT WIND........NORTHWEST WINDS 9 TO 13 MPH.  
MIXING HEIGHT.......MAX 4600 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 13 TO 17 MPH.  
DISPERSION INDEX....MAX 65 (GOOD).  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).............2 1 0 0 1 1  
WEATHER COV.........  
WEATHER TYPE........  
TSTM COV............  
CHC OF PCPN (%).....0 0 0 0 0 0  
TEMP................45 47 51 53 54 54  
RH..................41 37 32 31 30 31  
20 FT WIND DIR......NW NW NW NW NW NW  
20 FT WIND SPD......13 13 12 12 10 9  
20 FT WIND GUST.....16 16 16 14 13 12  
EYE LVL WND DIR.....NW NW NW NW NW NW  
EYE LVL WND SPD.....8 8 7 6 6 5  
EYE LVL WND GST.....12 12 12 11 10 9  
MIX HGT (KFT).......4.2 4.3 4.3 4.5 4.6 4.3  
TRANSP WIND DIR.....NW W W W NW NW  
TRANSP WIND SPD.....17 17 17 16 15 13  
DISPERSION IDX......63 65 65 63 60 47  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (25 PERCENT) THEN BECOMING MOSTLY  
CLOUDY (50 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 34.  
MAX HUMIDITY........69 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS AROUND 4 MPH EARLY IN THE EVENING  
BECOMING LIGHT, THEN BECOMING SOUTH UP TO 6 MPH  
IN THE LATE EVENING AND OVERNIGHT.  
20 FOOT WIND........NORTHWEST WINDS AROUND 8 MPH BECOMING NORTH 5  
TO 6 MPH EARLY IN THE EVENING, THEN BECOMING  
SOUTH 5 TO 10 MPH IN THE LATE EVENING AND  
OVERNIGHT.  
MIXING HEIGHT.......MIN 100 FT AGL.  
TRANSPORT WINDS.....NORTH 6 TO 10 MPH BECOMING NORTHEAST LATE IN  
THE EVENING, THEN BECOMING SOUTH 5 TO 14 MPH IN  
THE LATE EVENING AND OVERNIGHT.  
DISPERSION INDEX....MIN 0 (POOR).  
RAINFALL AMOUNT.....0.00 INCHES.  
 
TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).............1 1 1 4 8 11 17 22 28 36 44 52  
WEATHER COV.........  
WEATHER TYPE........  
TSTM COV............  
CHC OF PCPN (%).....0 0 0 0 0 0 0 0 0 0 0 0  
TEMP................53 49 45 42 38 37 36 35 35 35 35 37  
RH..................32 39 47 53 62 64 67 69 69 66 66 61  
20 FT WIND DIR......NW N N NE SE S S S S S S S  
20 FT WIND SPD......8 6 5 5 5 6 7 7 8 9 9 10  
20 FT WIND GUST.....10 7 6 6 8 10 11 12 13  
EYE LVL WND DIR.....NW NW N N S S S S S S S S  
EYE LVL WND SPD.....4 4 3 2 3 4 4 4 4 5 6 6  
EYE LVL WND GST.....7 5 4 4 4 5 5 6 7 8 9 10  
MIX HGT (KFT).......3.0 1.5 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
TRANSP WIND DIR.....NW N N NE SE S S S S S S S  
TRANSP WIND SPD.....10 8 6 5 5 5 7 9 12 13 14 14  
DISPERSION IDX......27 11 1 0 0 0 0 0 0 0 1 1  
   
FRIDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (45 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS LATE IN THE AFTERNOON.  
CHANCE OF PCPN......20 PERCENT.  
MAX TEMPERATURE.....AROUND 65.  
MIN HUMIDITY........45 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS 7 TO 12 MPH. GUSTS UP TO 30 MPH.  
20 FOOT WIND........SOUTH WINDS 12 TO 20 MPH. GUSTS UP TO 30 MPH.  
MIXING HEIGHT.......MAX 3300 FT AGL.  
TRANSPORT WINDS.....SOUTH 14 TO 23 MPH INCREASING TO 26 TO 33 MPH  
LATE IN THE MORNING.  
DISPERSION INDEX....MAX 96 (GOOD).  
RAINFALL AMOUNT.....0.03 INCHES.  
 
TIME (EDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).............52 52 53 55 58 60 57 55 52 43 34 25  
WEATHER COV......... SCH SCH SCH SCH  
WEATHER TYPE........ RW RW RW RW  
TSTM COV............  
CHC OF PCPN (%).....0 0 10 10 10 10 10 10 20 20 20 20  
TEMP................39 42 44 47 50 53 56 58 60 62 64 64  
RH..................59 55 53 51 52 50 49 47 46 46 45 48  
20 FT WIND DIR......S S S S S S S S S S S S  
20 FT WIND SPD......12 13 14 15 16 17 17 18 18 18 20 20  
20 FT WIND GUST.....14 16 18 19 20 21 22 23 24 24 24 24  
EYE LVL WND DIR.....S S S S S S S S S S S S  
EYE LVL WND SPD.....7 8 8 9 10 11 11 11 11 11 12 12  
EYE LVL WND GST.....11 12 13 14 15 16 17 17 18 18 18 18  
MIX HGT (KFT).......0.1 0.1 0.2 0.5 0.9 1.2 1.6 1.9 2.3 2.8 3.3 3.3  
TRANSP WIND DIR.....S S S S S S S S S S SW SW  
TRANSP WIND SPD.....14 15 16 20 23 26 29 31 32 33 33 32  
DISPERSION IDX......1 1 3 9 18 28 40 51 64 81 96 92  
 

 
 
FORECASTER...APFFEL  
REQUESTED BY...WESLEY CONFAIR  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2510742.2/BUF  
.DELDT 04/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ROBERT.A.GOULDING@USDA.GOV,WESLEY.CONFAIR@USDA.GOV,GABRIEL.TEMPLETON@USDA.GOV  
 
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