501  
FNUS74 KTSA 221310  
FWSTSA  
 
SPOT FORECAST FOR CHESNEY...OERI  
NATIONAL WEATHER SERVICE TULSA OK  
810 AM CDT FRI OCT 22 2021  
 
FORECAST IS BASED ON IGNITION TIME OF 1300 CDT ON OCTOBER 22.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
 
PLEASE CONTACT NWS TULSA AT (918)838-7838, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
LIGHT WINDS WILL CONTINUE THROUGH THE MORNING BEFORE BECOMING  
SOUTHWEST 5 TO 10 MPH DURING THE AFTERNOON. SMOKE DISPERSAL WILL  
REMAIN POOR THROUGH THE MORNING AND ONLY SLOWLY IMPROVE THROUGH  
THE AFTERNOON. HUMIDITY LEVELS WILL FALL INTO THE MID 30 PERCENT  
RANGE BY MID AFTERNOON. SHOWER AND STORM CHANCES WILL INCREASE  
LATE TONIGHT THROUGH SATURDAY MORNING FOR THE BURN LOCATION.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 74.  
MIN HUMIDITY........37 PERCENT.  
DEWPOINT............46.  
WIND (20 FT)........SOUTHWEST WINDS 6 TO 7 MPH.  
MIXING HEIGHT.......3300 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 5 TO 10 MPH.  
SMOKE DISPERSAL.....POOR (4700 KNOT-FT).  
STABILITY CLASS.....3.  
1700FT AVG MIX T(F).71.  
 
TIME (CDT) 1PM 2PM 3PM 4PM 5PM  
SKY (%).........13 12 14 12 13  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............69 72 73 74 74  
DEWPOINT........46 46 46 46 47  
RH..............44 39 38 37 38  
20 FT WIND DIR..SW SW SW SW S  
20 FT WIND SPD..5 6 6 6 6  
20 FT WIND GUST.7 8 10 10 10  
MIX HGT (KFT)...2.5 2.9 3.2 3.3 2.3  
TRANSP WIND DIR.W W W SW SW  
TRANSP WIND SPD.5 10 8 10 7  
VRATE KT-FT/1K..5 5 5 5 5  
1700FT MIX T(F).70 71 72 72 73  
 

 
FORECASTER...J.MCGAVOCK  
REQUESTED BY...BRAD BURNS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2119916.0/TSA  
.DELDT 10/22/21  
.FORMATTERVERSION 1.0.26  
.EMAIL FIREBURNS2855@YAHOO.COM  
 
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