238  
FNUS74 KTSA 122033  
FWSTSA  
 
SPOT FORECAST FOR SPOT FORECAST FOR FIRES NEAR BARTLESVILLE...DOI  
NATIONAL WEATHER SERVICE TULSA OK  
333 PM CDT SAT SEP 12 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 0700 CDT ON SEPTEMBER 13.  
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.  
   
..HEAT ADVISORY IN EFFECT FROM NOON TO 7 PM CDT SUNDAY  
 
   
DISCUSSION  
 
SOME LINGERING SHOWERS ARE POSSIBLE EARLY SUNDAY NEAR THE  
OKLAHOMA/KANSAS BORDER, OTHERWISE EXPECT CLEARING SKIES AND HOT  
CONDITIONS. HUMIDITY WILL LIKELY REMAIN ABOVE 40% WITH  
TEMPERATURES SEVERAL DEGREES HOTTER THAN SATURDAY. WINDS WILL  
ALSO TREND MORE SOUTHERLY AND REMAIN LIGHT. SUNNY AND HOT  
CONDITIONS CONTINUE MONDAY.  
   
SUNDAY  
 
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........41 PERCENT.  
DEWPOINT............71.  
WIND (20 FT)........EAST WINDS UP TO 6 MPH SHIFTING TO THE SOUTH 6  
TO 8 MPH LATE IN THE MORNING.  
MIXING HEIGHT.......5100 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 13 MPH SHIFTING TO THE SOUTH 13  
TO 16 MPH IN THE AFTERNOON.  
SMOKE DISPERSAL.....FAIR (26229 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (87868 KNOT-FT) IN THE  
AFTERNOON.  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).95.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 6 MPH SHIFTING TO THE  
SOUTH 6 TO 7 MPH LATE IN THE MORNING.  
 
TIME (CDT) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........58 44 42 40 56 25 24 35 21 18 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............71 72 76 80 84 88 92 94 96 98 98  
DEWPOINT........70 72 73 73 73 73 72 71 71 70 70  
RH..............99 98 90 79 70 61 53 48 44 41 41  
20 FT WIND DIR..E E SE SE SE S S S S S S  
20 FT WIND SPD..4 4 5 6 6 7 7 7 7 7 7  
20 FT WIND GUST.6 7 7 10 11 12 13 13 14 13 12  
EYE LVL WND DIR.E E SE SE SE S S S S S S  
EYE LVL WND SPD.4 4 5 6 6 7 7 7 7 7 7  
EYE LVL WND GST.6 7 7 10 11 12 13 13 14 13 12  
MIX HGT (KFT)...0.4 0.5 0.8 1.2 1.7 2.3 2.9 3.5 4.7 5.1 4.0  
TRANSP WIND DIR.E SE SE SE S S S S S S S  
TRANSP WIND SPD.9 9 12 13 13 13 14 15 16 16 15  
VRATE KT-FT/1K..30 30 30 30 30 30 88 88 88 88 88  
VENTRATE CAT....PR PR PR PR PR PR GD GD GD GD GD  
1700FT MIX T(F).94 93 92 91 91 93 94 96 98 100 100  
   
SUNDAY NIGHT  
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 74.  
MAX HUMIDITY........83 PERCENT.  
DEWPOINT............70.  
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.  
SMOKE DISPERSAL.....EXCELLENT (87868 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (5901 KNOT-FT) LATE IN THE  
NIGHT.  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).97.  
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 6 MPH.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........3 2 1 1 0 0 0 7 2 0 8 0  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............96 95 91 86 84 83 80 80 79 78 76 75  
DEWPOINT........70 71 70 70 70 70 70 70 70 70 69 69  
RH..............44 45 51 59 63 66 70 72 74 75 78 80  
20 FT WIND DIR..S SE SE SE SE SE S S S S S S  
20 FT WIND SPD..6 6 6 6 6 6 6 6 6 6 6 6  
20 FT WIND GUST.11 10 10 10 11 10 10 10 10 10 10 10  
EYE LVL WND DIR.S SE SE SE SE SE S S S S S S  
EYE LVL WND SPD.6 6 6 6 6 6 6 6 6 6 6 6  
EYE LVL WND GST.11 10 10 10 11 10 10 10 10 10 10 10  
MIX HGT (KFT)...2.8 0.6 0.5 0.5 0.5 0.5 0.4 0.5 0.4 0.4 0.4 0.4  
TRANSP WIND DIR.S SE SE SE S S S S S S S S  
TRANSP WIND SPD.13 12 12 13 14 14 15 15 13 13 13 10  
VRATE KT-FT/1K..88 9 9 9 9 9 9 6 6 6 6 6  
VENTRATE CAT....GD PR PR PR PR PR PR PR PR PR PR PR  
1700FT MIX T(F).100 100 99 99 98 97 97 96 96 96 96 95  
   
MONDAY  
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........36 PERCENT.  
DEWPOINT............69.  
WIND (20 FT)........SOUTH WINDS 5 TO 14 MPH. GUSTS UP TO 24 MPH IN  
THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......7600 FT AGL.  
TRANSPORT WINDS.....SOUTH 10 TO 18 MPH INCREASING TO 20 TO 21 MPH  
LATE IN THE MORNING.  
SMOKE DISPERSAL.....POOR (5901 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO EXCELLENT (131147 KNOT-FT) IN THE  
AFTERNOON.  
STABILITY CLASS.....4.  
1700FT AVG MIX T(F).95.  
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 12 MPH. GUSTS UP TO 24 MPH IN  
THE LATE MORNING AND AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........1 23 2 6 9 8 7 5 8 11 14 10  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............75 73 75 80 85 89 93 95 97 99 99 99  
DEWPOINT........69 68 70 71 71 71 71 70 69 69 68 67  
RH..............80 84 83 74 64 56 50 44 40 38 37 36  
20 FT WIND DIR..S S S S S S S S S S S S  
20 FT WIND SPD..6 6 7 8 9 10 11 11 12 12 12 12  
20 FT WIND GUST.11 12 13 14 16 18 18 19 19 19 19 19  
EYE LVL WND DIR.S S S S S S S S S S S S  
EYE LVL WND SPD.6 6 7 8 9 10 11 11 12 12 12 12  
EYE LVL WND GST.11 12 13 14 16 18 18 19 19 19 19 19  
MIX HGT (KFT)...0.4 0.4 0.6 0.9 1.7 2.9 4.4 5.8 6.9 7.6 7.5 6.4  
TRANSP WIND DIR.S S SE S S S S S S S S S  
TRANSP WIND SPD.10 13 12 14 18 20 21 21 21 21 21 20  
VRATE KT-FT/1K..6 90 90 90 90 90 90 131 131 131 131 131  
VENTRATE CAT....PR GD GD GD GD GD GD VGD VGD VGD VGD VGD  
1700FT MIX T(F).95 94 93 93 93 93 94 95 96 96 97 97  
 
 
FORECASTER...SULLIVAN  
REQUESTED BY...TRAVIS CLAPP  
TYPE OF REQUEST...WILDFIRE  
.TAG 2621725.0/TSA  
.DELDT 09/12/26  
.FORMATTERVERSION 2.0.0  
.EMAIL TRAVIS_CLAPP@IOS.DOI.GOV  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab OK Page
The Nexlab AR Page
Main Text Page