643  
FNUS74 KTSA 171453  
FWSTSA  
 
FIRE WEATHER PLANNING FORECAST FOR PAWNEE PILE BURNS 3...BIA  
NATIONAL WEATHER SERVICE TULSA OK  
853 AM CST TUE NOV 17 2009  
 
FORECAST IS BASED ON IGNITION TIME OF 1030 CST ON NOVEMBER 17.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
OCCASIONAL PERIODS OF LIGHT RAIN WILL CONTINUE FOR MUCH OF THE  
DAY AS AN UPPER LEVEL LOW IMPACTS THE AREA. TEMPERATURES WILL WARM  
LITTLE DURING THE DAY...LIMITING THE TYPICAL DIURNAL DECREASE IN  
RELATIVE HUMIDITY. MODERATE NORTHWEST WINDS WILL CONTINUE THROUGH  
THE DAY...WITH SOME GUSTINESS SEEN. CONDITIONS WILL IMPROVE  
TOMORROW...WITH LIGHTER LOW LEVEL WINDS...NO PRECIPITATION...AND  
WARMER TEMPERATURES.  
   
REST OF TODAY  
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT). SLIGHT CHANCE OF RAIN.  
TEMPERATURE.........42 AT IGNITION...MAX 47.  
RH..................78 PERCENT AT IGNITION...MIN 60 PERCENT.  
MIXING HEIGHT.......2500 FT AGL AT IGNITION...OTHERWISE 400-1300 FT  
AGL INCREASING TO 2500 FT AGL AT  
IGNITION...OTHERWISE 2500-3900 FT AGL LATE IN  
THE MORNING.  
TRANSPORT WINDS.....NORTHWEST 12 TO 20 MPH SHIFTING TO THE NORTH 23  
TO 24 MPH IN THE AFTERNOON.  
WIND (20 FT)........WINDS NORTHWEST AT 10 MPH AT  
IGNITION...OTHERWISE NORTHWEST WINDS 6 TO 12  
MPH. GUSTS UP TO 20 MPH LATE IN THE MORNING.  
 
TIME (CST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
TEMP............42 42 44 46 47 47 47 45  
DEWPT...........35 34 34 34 34 34 34 34  
RH..............78 71 67 63 61 60 61 65  
20FT WIND DIR...NW NW NW NW NW NW NW NW  
20FT SPD (MPH)..8 8 8 7 6 6 5 5  
20FT GUST(MPH)..15 15 15 10 10 10 10 10  
CLOUDS (%)......94 91 91 91 91 91 91 91  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RN RN RN RN RN RN RN RN  
MIXHGT/100(FT)..013 025 034 038 039 037 035 031  
TR WIND DIR.....NW NW NW N N N N N  
TR WIND SPD(MPH)15 20 23 24 24 24 24 24  
STABILITY.......C C C B B C C D  
1700FT MIX T (F)45 42 44 46 47 47 47 45  
VENT/1000(M^3/S)003 007 011 012 013 012 011 010  
   
TONIGHT  
 
SKY/WEATHER.........CLOUDY (90-100 PERCENT).  
TEMPERATURE.........MIN 33.  
RH..................MAX 90 PERCENT.  
MIXING HEIGHT.......800-2600 FT AGL DECREASING TO 200-500 FT AGL IN  
THE LATE EVENING AND OVERNIGHT.  
TRANSPORT WINDS.....NORTHWEST 16 TO 23 MPH DECREASING TO 5 TO 13  
MPH IN THE LATE EVENING AND OVERNIGHT.  
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH.  
   
WEDNESDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).  
TEMPERATURE.........MAX 55.  
RH..................MIN 38 PERCENT.  
MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 3000-4700 FT AGL  
LATE IN THE MORNING.  
TRANSPORT WINDS.....WEST 5 TO 9 MPH.  
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH UNTIL LATE  
AFTERNOON BECOMING LIGHT.  
 
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
TEMP............33 33 34 39 43 47 51 53 55 55 55 53  
DEWPT...........29 29 30 30 30 31 31 31 31 31 30 30  
RH..............85 87 83 71 60 52 46 42 40 38 39 42  
20FT WIND DIR...NW W W W W W W SW SW S S S  
20FT SPD (MPH)..3 3 3 3 4 4 4 3 3 2 2 2  
20FT GUST(MPH)..5 5 5 5 5 5 5 5 5 5 5 5  
CLOUDS (%)......65 65 65 41 41 41 42 42 42 28 28 28  
WEATHER COV.....  
WEATHER TYPE....  
MIXHGT/100(FT)..004 003 004 008 018 030 040 045 047 046 042 037  
TR WIND DIR.....NW W W W W NW NW NW W W W W  
TR WIND SPD(MPH)5 5 5 5 7 8 9 9 9 8 7 6  
STABILITY.......F D D C C B B B B C C D  
1700FT MIX T (F)50 50 50 50 43 47 51 53 55 55 55 53  
VENT/1000(M^3/S)000 000 000 001 002 003 005 006 006 005 004 003  
   
FORECAST DAYS 3 THROUGH 5  
   
THURSDAY  
 
PARTLY CLOUDY. LOWS IN THE MID 30S. HIGHS IN THE LOWER 60S.  
SOUTHEAST WINDS AROUND 5 MPH.    
FRIDAY  
 
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S.  
EAST WINDS AROUND 5 MPH.    
SATURDAY  
 
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. HIGHS IN THE LOWER 60S.  
SOUTH WINDS AROUND 5 MPH.  
 
 
FORECASTER...HATFIELD  
REQUESTED BY...JOSH WILLIAMS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 20091117.PAWNE.01/TSA  
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