242  
FNUS74 KTSA 271519  
FWSTSA  
 
SPOT FORECAST FOR BEALE BURN UNIT...OFS  
NATIONAL WEATHER SERVICE TULSA OK  
919 AM CST THU FEB 27 2020  
 
FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON FEBRUARY 27.  
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
 
 
NEAR NORMAL TEMPERATURES AND GUSTY SOUTHWESTERLY WINDS CAN BE  
EXPECTED THIS AFTERNOON, WITH EVEN WARMER, ABOVE NORMAL  
CONDITIONS ON THE WAY FOR TOMORROW. WIND SPEEDS WILL BE LOWER  
TOMORROW FOLLOWING A BOUNDARY PASSAGE, WITH THE WIND DIRECTION  
FROM THE WEST TO NORTHWEST.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
TEMPERATURE.........38 AT IGNITION...MAX 55.  
RH..................52 PERCENT AT IGNITION...MIN 30 PERCENT.  
DEWPOINT............22.  
WIND (20 FT)........WINDS SOUTHWEST AT 6 MPH AT  
IGNITION...OTHERWISE SOUTHWEST WINDS 6 TO 8  
MPH. GUSTS UP TO 22 MPH IN THE LATE MORNING AND  
AFTERNOON.  
MIXING HEIGHT.......2700 FT AGL AT IGNITION...OTHERWISE 6700 FT  
AGL.  
TRANSPORT WINDS.....WEST 18 TO 26 MPH INCREASING TO AROUND 28 MPH  
LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR /11700 KNOT-FT/ AT IGNITION. MAX...FAIR  
/20000 KNOT-FT/.  
STABILITY CLASS.....3.  
1700FT AVG MIX T(F).46 INCREASING TO 53 LATE IN THE AFTERNOON.  
 
TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........3 2 6 10 16 20 23 21  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............38 43 47 51 54 55 55 54  
DEWPOINT........22 22 22 22 22 23 23 23  
RH..............52 43 36 32 31 30 30 31  
20 FT WIND DIR..SW SW SW SW SW SW SW SW  
20 FT WIND SPD..6 7 7 8 8 8 7 6  
20 FT WIND GUST.16 17 17 17 18 18 17 14  
MIX HGT (KFT)...2.7 4.1 5.4 6.1 6.5 6.6 6.7 6.6  
TRANSP WIND DIR.SW SW W W W W W W  
TRANSP WIND SPD.18 21 22 22 23 24 26 28  
VRATE KT-FT/1K..12 12 20 20 20 20 20 20  
1700FT MIX T(F).42 45 48 51 54 55 54 52  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
CLEAR (0-5 PERCENT).  
TEMPERATURE.........MIN 35.  
RH..................MAX 85 PERCENT.  
DEWPOINT............26 INCREASING TO 34.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE  
EVENING BECOMING LIGHT.  
MIXING HEIGHT.......200 FT AGL.  
TRANSPORT WINDS.....WEST 21 TO 28 MPH BECOMING NORTHWEST 3 TO 5  
MPH.  
SMOKE DISPERSAL.....FAIR (20000 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (300 KNOT-FT) LATE IN THE  
NIGHT.  
STABILITY CLASS.....6.  
1700FT AVG MIX T(F).54.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........21 29 31 47 42 15 9 4 3 1 1 0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............51 47 45 43 42 41 40 39 38 37 37 36  
DEWPOINT........24 26 27 28 28 29 29 30 33 34 34 34  
RH..............39 45 51 55 60 65 67 76 79 82 82 85  
20 FT WIND DIR..SW W SW W NW NW NW NW NW NW NW NW  
20 FT WIND SPD..5 4 4 4 4 3 4 4 5 4 4 3  
20 FT WIND GUST.7 7 6 6 7 6 6 8 10 10 10 8  
MIX HGT (KFT)...5.9 4.5 2.8 1.4 0.8 0.5 0.5 0.3 0.2 0.2 0.2 0.3  
TRANSP WIND DIR.W W W W W NW NW NW NW NW NW NW  
TRANSP WIND SPD.28 25 21 16 12 7 5 3 5 5 5 3  
VRATE KT-FT/1K..20 20 20 20 20 20 0 0 0 0 0 0  
1700FT MIX T(F).51 53 55 57 58 57 56 55 53 52 51 51  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
TEMPERATURE.........MAX 62.  
RH..................MIN 31 PERCENT.  
DEWPOINT............32.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 8 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......7500 FT AGL.  
TRANSPORT WINDS.....WEST 2 TO 5 MPH INCREASING TO NORTHWEST 26 TO  
29 MPH.  
SMOKE DISPERSAL.....POOR (12800 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO FAIR (20000 KNOT-FT) IN THE  
AFTERNOON.  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).55 INCREASING TO 60 LATE IN THE AFTERNOON.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........0 2 3 5 3 2 0 1 1 2 2 1  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............35 35 36 40 46 51 55 58 61 62 62 61  
DEWPOINT........32 33 33 34 34 34 33 32 32 31 31 32  
RH..............89 92 89 79 63 52 43 37 33 31 31 33  
20 FT WIND DIR..W W W W W W W W NW NW NW NW  
20 FT WIND SPD..3 3 4 4 5 6 6 7 7 8 6 6  
20 FT WIND GUST.6 6 5 5 6 7 8 10 10 10 10 10  
MIX HGT (KFT)...0.4 0.2 0.3 0.8 2.6 4.8 6.6 7.4 7.5 7.4 7.4 7.1  
TRANSP WIND DIR.W W W W W W NW NW NW NW NW NW  
TRANSP WIND SPD.3 2 2 5 12 20 26 29 29 28 29 28  
VRATE KT-FT/1K..13 13 13 13 13 13 20 20 20 20 20 20  
1700FT MIX T(F).51 51 52 53 53 54 55 58 60 62 61 59  
 

 
FORECASTER...K.HATFIELD  
REQUESTED BY...B-161  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2003117.0/TSA  
.DELDT 02/27/20  
.FORMATTERVERSION 1.0.26  
.EMAIL CLAYTON.HURST@AG.OK.GOV  
 
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