611  
FNUS74 KBRO 202253  
FWSBRO  
 
SPOT FORECAST FOR BENTSEN FIRE...TFS  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
553 PM CDT WED SEP 20 2023  
 
FORECAST IS BASED ON FORECAST START TIME OF 1800 CDT ON SEPTEMBER 20.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
MOSTLY CLEAR SKIES WILL CONTINUE WITH  
TEMPERATURES IN THE UPPER 90S FALLING INTO THE THE 70S OVERNIGHT.  
HUMIDITY LEVELS HAVE BOTTOMED OUT AROUND 35 PERCENT BUT WILL BE  
INCREASING TO AROUND 70 PERCENT BY 10 PM. SOUTHEASTERLY WINDS  
AROUND 10 MPH WILL CONTINUE WITH OF 15 TO 20 MPH THROUGH THIS  
EVENING BEFORE DIMINISHING AROUND MIDNIGHT.  
 
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (0-10 PERCENT).  
MIN TEMPERATURE.....AROUND 76.  
MAX HUMIDITY........94 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 8 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 12 MPH.  
MIXING HEIGHT.......300 FT AGL.  
TRANSPORT WINDS.....EAST 10 TO 16 MPH SHIFTING TO THE SOUTHEAST 9  
TO 10 MPH AFTER 3 AM.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........0 1 1 2 1 1 1 1 7 13 10 7  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............97 94 89 86 84 83 81 80 80 78 77 77  
RH..............35 43 53 61 68 73 78 81 83 86 91 91  
20 FT WIND DIR..E E E E SE SE SE SE SE SE SE SE  
20 FT WIND SPD..10 13 13 13 13 12 10 10 8 8 7 6  
20 FT WIND GUST.15 17 17 17 17 15 14 14 12 10 9 7  
EYE LVL WND DIR.E E E E SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.6 8 8 8 8 7 6 6 5 5 4 4  
EYE LVL WND GST.9 10 10 10 10 9 8 8 7 6 5  
MIX HGT (KFT)...6.1 5.6 4.3 2.9 1.5 1.1 0.7 0.3 0.5 0.7 0.9 1.1  
TRANSP WIND DIR.E E E E SE SE SE SE S S S SE  
TRANSP WIND SPD.10 16 21 20 20 16 16 14 13 12 10 9  
   
THURSDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........39 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 7 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......7700 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 14 MPH.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........22 13 4 9 22 12 8 7 4 2 11 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............76 76 77 81 86 90 94 96 97 99 99 98  
RH..............94 92 93 85 73 62 53 47 43 39 40 40  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE SE SE  
20 FT WIND SPD..5 6 7 9 10 10 10 10 9 10 10 12  
20 FT WIND GUST.7 7 9 13 14 14 14 14 13 14 15 16  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE SE SE  
EYE LVL WND SPD.3 4 4 5 6 6 6 6 5 6 6 7  
EYE LVL WND GST.4 5 8 8 8 8 8 8 8 9 10  
MIX HGT (KFT)...1.3 1.4 1.9 2.3 2.7 3.7 4.8 5.8 6.4 7.1 7.7 7.4  
TRANSP WIND DIR.SE SE SE S S S SE SE SE SE SE E  
TRANSP WIND SPD.9 8 8 13 14 12 12 10 10 12 12 13  
   
THURSDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT).  
MIN TEMPERATURE.....AROUND 78.  
MAX HUMIDITY........90 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 5 TO 9 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 7 TO 14 MPH.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 14 TO 22 MPH DECREASING TO 9 TO 12  
MPH AFTER 3 AM.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........14 25 13 14 20 20  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............96 89 85 82 81 80  
RH..............44 59 71 82 86 88  
20 FT WIND......E 14 SE 15 SE 13 SE 12 SE 9 SE 8  
20 FT WIND GUST.18 21 17 16 14 12  
EYE LEVEL WIND..E 8 SE 9 SE 8 SE 7 SE 5 SE 5  
EYE LVL WND GST.11 13 10 10 8 7  
MIX HGT (FT)....7100 5200 2000 1000 800 1500  
TRANSPORT WIND..E 15 SE 21 SE 21 SE 18 SE 14 SE 10  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (20-30 PERCENT).  
MAX TEMPERATURE.....AROUND 100.  
MIN HUMIDITY........41 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 7 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 10 MPH.  
MIXING HEIGHT.......8500 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 16 MPH.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........20 28 28 28 29 29  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............78 80 87 94 98 99  
RH..............90 86 74 55 44 41  
20 FT WIND......SE 7 SE 8 SE 12 SE 12 SE 10 SE 10  
20 FT WIND GUST.10 13 17 17 16 16  
EYE LEVEL WIND..SE 4 SE 5 SE 7 SE 7 SE 6 SE 6  
EYE LVL WND GST.6 8 10 10 10 10  
MIX HGT (FT)....1300 2000 3500 5900 7600 8500  
TRANSPORT WIND..SE 8 SE 10 S 16 S 14 S 12 SE 12  
 

 
FORECASTER...MCGINNIS  
REQUESTED BY...EMMALY GAVIN  
TYPE OF REQUEST...WILDFIRE  
.TAG 2321152.0/BRO  
.DELDT 09/20/23  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
 
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