707  
FNUS74 KTSA 211113  
FWSTSA  
 
SPOT FORECAST FOR WHITE EAGLE RXB...BIA/SOUTHERN PLAINS REGION  
NATIONAL WEATHER SERVICE TULSA OK  
613 AM CDT TUE MAR 21 2017  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON MARCH 21.  
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
 
 
A COOL FRONT HAS PUSHED THROUGH THE BURN SITE AND IS CURRENTLY  
POSITIONED JUST SOUTH OF THERE. THE FRONT WILL CONTINUE TO MOVE  
SLOWLY SOUTHWARD, WITH MUCH COOLER TEMPERATURES AND INCREASING  
NORTHEASTERLY WINDS DURING THE AFTERNOON. BY MID AFTERNOON, WIND  
GUSTS TO 25 MPH WILL BE LIKELY. EVEN COOLER TEMPERATURES AND  
SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TOMORROW.  
   
TODAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 75.  
MIN HUMIDITY........40 PERCENT.  
DEWPOINT............50 INCREASING TO 54 IN THE LATE MORNING AND  
EARLY AFTERNOON, THEN DECREASING TO 50 LATE IN  
THE AFTERNOON.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......500-1700 FT AGL INCREASING TO 5000-5400 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 5 TO 12 MPH.  
SMOKE DISPERSAL.....POOR (1500 KNOT-FT).  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).74.  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........60 61 63 63 64 64 64  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............65 68 70 72 74 75 75  
DEWPOINT........55 55 55 53 52 51 49  
RH..............70 63 59 51 46 43 40  
20 FT WIND DIR..NE NE NE NE NE NE NE  
20 FT WIND SPD..9 9 10 11 13 14 15  
20 FT WIND GUST.15 15 15 20 25 25 25  
MIX HGT (KFT)...2.6 3.6 4.5 5.0 5.3 5.4 5.4  
TRANSP WIND DIR.E NE NE NE NE NE NE  
TRANSP WIND SPD.5 5 6 7 9 12 12  
VRATE KT-FT/1K..3 3 9 9 9 9 9  
1700FT MIX T(F).71 72 73 75 77 78 78  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS.  
MIN TEMPERATURE.....AROUND 47.  
MAX HUMIDITY........83 PERCENT.  
DEWPOINT............45.  
WIND (20 FT)........NORTHEAST WINDS 9 TO 13 MPH WITH GUSTS TO  
AROUND 30 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS.  
MIXING HEIGHT.......3400-5200 FT AGL DECREASING TO 300-500 FT AGL.  
TRANSPORT WINDS.....NORTHEAST 13 TO 21 MPH INCREASING TO 25 TO 32  
MPH IN THE LATE EVENING AND EARLY MORNING, THEN  
DECREASING TO 14 TO 22 MPH AFTER MIDNIGHT.  
SMOKE DISPERSAL.....POOR (1900 KNOT-FT).  
STABILITY CLASS.....5.  
1700FT AVG MIX T(F).73 DECREASING TO 53.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........64 65 66 66 67 66 66 65 66 66 67 72  
WEATHER COV..... SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
TEMP............74 71 65 62 59 57 55 54 52 51 50 49  
DEWPOINT........47 46 46 46 46 46 46 46 45 45 45 44  
RH..............38 41 50 56 62 67 72 74 77 80 83 83  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..16 17 17 17 17 16 16 15 15 15 15 15  
20 FT WIND GUST.30 30 30 30 30 30 30 25 25 25 25 25  
MIX HGT (KFT)...5.2 4.7 4.1 3.4 2.6 1.9 1.3 0.8 0.5 0.4 0.4 0.3  
TRANSP WIND DIR.NE NE NE NE NE NE NE NE NE NE NE NE  
TRANSP WIND SPD.13 14 21 28 32 32 29 25 22 17 15 14  
VRATE KT-FT/1K..9 9 9 9 9 9 9 2 2 2 2 2  
1700FT MIX T(F).77 74 70 65 61 58 56 54 54 54 54 53  
   
WEDNESDAY
 
 
SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SLIGHT CHANCE OF  
SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,  
THEN CHANCE OF RAIN SHOWERS IN THE MORNING.  
SLIGHT CHANCE OF RAIN SHOWERS IN THE AFTERNOON.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........64 PERCENT.  
DEWPOINT............45.  
WIND (20 FT)........EAST WINDS 8 TO 10 MPH. GUSTY AND ERRATIC WINDS  
EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
MORNING.  
MIXING HEIGHT.......200-2100 FT AGL INCREASING TO 2400-2800 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....EAST 14 TO 23 MPH.  
SMOKE DISPERSAL.....POOR (1900 KNOT-FT).  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).56.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........78 83 84 84 85 81 76 72 72 72 72 73  
WEATHER COV.....SCH CHC CHC CHC CHC CHC CHC SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........SCH  
TEMP............48 47 47 48 51 53 55 56 57 58 59 59  
DEWPOINT........44 44 44 44 44 44 45 45 46 46 47 47  
RH..............86 89 89 86 77 71 69 66 67 64 64 64  
20 FT WIND DIR..NE NE NE NE NE NE NE NE NE NE NE NE  
20 FT WIND SPD..15 15 14 12 11 10 10 10 9 9 8 8  
20 FT WIND GUST.25 25 25 20 20 15 15 15 15 15 15 15  
MIX HGT (KFT)...0.2 0.3 0.5 0.9 1.3 1.7 2.1 2.4 2.6 2.7 2.8 2.7  
TRANSP WIND DIR.NE NE NE NE NE NE E E E E E E  
TRANSP WIND SPD.14 15 17 21 23 21 18 15 14 15 15 16  
VRATE KT-FT/1K..2 4 4 4 4 4 4 5 5 5 5 5  
1700FT MIX T(F).53 53 52 52 52 54 55 57 58 59 60 60  
 

 
FORECASTER...K.HATFIELD  
REQUESTED BY...JOSH WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 1704758.0/TSA  
.EMAIL JOSHUAD.WILLIAMS@BIA.GOV  
 
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