817  
FNUS75 KCYS 042225  
FWSCYS  
 
SPOT FORECAST FOR WILDCAT PILE RX...USDA FOREST SERVICE  
NATIONAL WEATHER SERVICE CHEYENNE WY  
325 PM MST TUE FEB 4 2025  
 
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE AT (307) 772-2227  
   
DISCUSSION  
 
GUSTY WINDS ARE LIKELY OVER THE BURN LOCATION ON BOTH WEDNESDAY AND ON  
THURSDAY. THIS WILL RESULT IN EXCELLENT SMOKE DISPERSAL BOTH DAYS. EXPECT  
OVERNIGHT RH RECOVERY TO AROUND 55 PERCENT. CLOUDS WILL INCREASE ON THURSDAY  
WITH A FEW ISOLATED SNOW SHOWERS ON THURSDAY EVENING HOWEVER LITTLE TO NO  
SNOW ACCUMULATION IS EXPECTED.  
   
WEDNESDAY  
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
CWR.................3 PERCENT.  
MAX TEMPERATURE.....AROUND 50.  
MIN HUMIDITY........37 PERCENT.  
WIND (20 FT)........WINDY. WEST WINDS 24 TO 32 MPH. GUSTS UP TO 52  
MPH INCREASING TO 61 MPH IN THE LATE MORNING  
AND AFTERNOON.  
MIXING HEIGHT.......3400 FT AGL.  
TRANSPORT WINDS.....WEST 38 TO 44 MPH INCREASING TO 49 TO 56 MPH IN  
THE LATE MORNING AND AFTERNOON.  
SMOKE DISPERSAL.....POOR (22800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO VERY GOOD (121200 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (MST) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........36 33 29 17 12 14 17 18 18 18  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0  
TEMP............38 43 45 47 49 49 48 48 47 45  
RH..............59 47 43 40 37 37 40 40 42 43  
20 FT WIND DIR..SW SW W W W W W W W W  
20 FT WIND SPD..24 28 30 32 32 31 30 30 29 28  
20 FT WIND GUST.45 52 58 61 60 59 58 55 54 52  
MIX HGT (KFT)...0.7 1.1 1.5 2.0 2.5 3.0 3.3 3.4 3.3 3.3  
TRANSP WIND DIR.W W W W W W W W W W  
TRANSP WIND SPD.38 44 49 53 55 56 56 56 55 55  
SDSPL KT-FT/100023 40 65 93 121 147 163 166 160 157  
   
WEDNESDAY NIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT).  
CWR.................3 PERCENT.  
MIN TEMPERATURE.....AROUND 24.  
MAX HUMIDITY........55 PERCENT.  
WIND (20 FT)........BREEZY. WEST WINDS 17 TO 26 MPH WITH GUSTS TO  
AROUND 49 MPH DECREASING TO 9 TO 15 MPH AFTER 3  
AM.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....WEST 49 TO 54 MPH DECREASING TO AROUND 23 MPH.  
SMOKE DISPERSAL.....EXCELLENT (165400 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (7800 KNOT-FT) LATE IN THE NIGHT.  
 
TIME (MST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........20 22 24 25 25 25 26 25 25 24 23 19  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............43 41 38 35 32 29 27 26 26 26 26 26  
RH..............45 44 46 47 47 48 48 48 46 44 42 42  
20 FT WIND DIR..W W W W W W W W W W W W  
20 FT WIND SPD..26 25 24 23 22 21 21 20 17 15 12 9  
20 FT WIND GUST.49 47 45 44 41 40 38 36 32 28 23 22  
MIX HGT (KFT)...3.5 3.7 3.6 2.7 1.7 0.9 1.0 1.5 1.9 1.7 1.4 0.4  
TRANSP WIND DIR.W W W W W W W W W W W W  
TRANSP WIND SPD.54 52 49 44 38 33 31 31 30 28 24 23  
SDSPL KT-FT/1000164 165 153 103 55 26 28 41 50 41 30 8  
   
THURSDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (70-80 PERCENT). ISOLATED SNOW SHOWERS  
AFTER SUNSET.  
CWR.................2 PERCENT INCREASING TO 23 PERCENT LATE IN THE  
AFTERNOON.  
MAX TEMPERATURE.....AROUND 43.  
MIN HUMIDITY........26 PERCENT.  
WIND (20 FT)........WEST WINDS 12 TO 18 MPH SHIFTING TO THE  
NORTHEAST 7 TO 9 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5400 FT AGL.  
TRANSPORT WINDS.....WEST 20 TO 29 MPH INCREASING TO 29 TO 35 MPH  
LATE IN THE MORNING, THEN BECOMING NORTHWEST  
AROUND 22 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (3400 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (154400 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (MST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 24 27 28 28 29 38 47 56 64 72 80  
WEATHER COV..... LKY  
WEATHER TYPE.... SW  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 20  
TEMP............27 28 29 32 35 38 39 41 42 41 40 38  
RH..............40 37 35 31 28 26 27 26 28 30 31 35  
20 FT WIND DIR..W W W W W W W W W NW NE E  
20 FT WIND SPD..12 14 16 17 18 18 17 16 14 12 9 7  
20 FT WIND GUST.22 23 24 26 29 30 30 28 25 22 18 15  
MIX HGT (KFT)...0.2 0.2 0.6 1.7 3.2 4.4 5.1 5.4 5.1 3.6 1.7 0.3  
TRANSP WIND DIR.W W W W W W W W W NW N NE  
TRANSP WIND SPD.21 20 20 24 29 33 35 32 29 22 14 8  
SDSPL KT-FT/10004 3 10 37 79 127 154 152 127 68 21 2  
 
 
FORECASTER...CHARNICK  
REQUESTED BY...BLAKE COBB  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2502274.0/CYS  
.DELDT 02/04/25  
.FORMATTERVERSION 2.0.0  
.EMAIL BLAKE.COBB@USDA.GOV  
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