935  
FNUS73 KUNR 121415  
FWSUNR  
 
SPOT FORECAST FOR GEORGE FIRE...SD WILDLAND FIRE  
NATIONAL WEATHER SERVICE RAPID CITY SD  
815 AM MDT MON APR 12 2021  
 
FORECAST IS BASED ON FORECAST START TIME OF 0900 MDT ON APRIL 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
ALTHOUGH WINDS ARE LIGHT THIS MORNING, THE WINDS  
WILL INCREASE THIS MORNING OUT OF THE NORTHWEST AND BECOME GUSTY.  
A FEW SHOWERS ARE POSSIBLE LATE THIS MORNING THROUGH THE  
AFTERNOON, AND THESE ALSO COULD BE ASSOCIATED WITH LOCAL GUSTY  
WINDS. PRECIPITATION WILL BE VERY LIGHT. WINDS WILL DIMINISH THIS  
EVENING, BUT MAY OCCASIONALLY BY GUSTY. THE WIND DIRECTION SHOULD  
LARGELY REMAIN FROM THE NORTHWEST.  
 
IT WILL BE WINDY AGAIN ON TUESDAY, BUT NOT AS WINDY AS TODAY.  
COOL CONDITIONS AND HIGHER HUMIDITY CAN BE EXPECTED FOR THE LAST  
HALF OF THIS WEEK, WITH CHANCES FOR MOSTLY SNOW INSTEAD OF RAIN.  
   
REST OF TODAY
 
 
SKY/WEATHER.........MOSTLY SUNNY. SLIGHT CHANCE OF RAIN SHOWERS IN  
THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 43.  
MIN HUMIDITY........28 PERCENT.  
WIND (20 FT)........BECOMING BREEZY. NORTHWEST INCREASING TO 15  
TO 25 MPH WITH GUSTS TO AROUND 35 MPH.  
CWR.................10 PERCENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......6400 TO 6900 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 35 TO 45 MPH.  
SMOKE DISPERSAL.....EXCELLENT.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY.  
MIN TEMPERATURE.....AROUND 25.  
MAX HUMIDITY........62 PERCENT.  
WIND (20 FT)........NORTHWEST 10 TO 20 MPH. GUSTS TO AROUND 30 MPH  
IN THE EVENING.  
CWR.................0 PERCENT.  
HAINES INDEX........3 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......1500 TO 2000 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15 TO 25 MPH.  
SMOKE DISPERSAL.....POOR.  
   
TUESDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY.  
MAX TEMPERATURE.....AROUND 44.  
MIN HUMIDITY........29 PERCENT.  
WIND (20 FT)........NORTHWEST 10 TO 20 MPH WITH GUSTS TO AROUND 25  
MPH.  
CWR.................0 PERCENT.  
HAINES INDEX........2 OR VERY LOW POTENTIAL FOR LARGE PLUME  
DOMINATED FIRE GROWTH.  
MIXING HEIGHT.......4600 TO 5100 FT AGL.  
TRANSPORT WINDS.....NORTHWEST 15 TO 25 MPH.  
SMOKE DISPERSAL.....VERY GOOD.  
 

 
FORECASTER...MB  
REQUESTED BY...ADAM FRITZ  
TYPE OF REQUEST...WILDFIRE  
.TAG 2108706.0/UNR  
.DELDT 04/12/21  
.FORMATTERVERSION 1.0.26  
.EMAIL ADAM.FRITZ@STATE.SD.US  
 
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