352  
FNUS74 KBRO 281229 CCA  
FWSBRO  
 
SPOT FORECAST FOR BAHIA GRANDE UNIT 2...CORRECTED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
729 AM CDT THU AUG 28 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON AUGUST 28.  
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
LIGHT (5-10 MPH) SOUTHEASTERLY WINDS, GUSTING TO 15  
MPH, THIS MORNING CONTINUE INTO THIS AFTERNOON AND THEN GRADUALLY  
INCREASE TO 10-15 MPH BY SUNSET THIS EVENING, CONTINUING  
OVERNIGHT WITH GUSTS TO 18-23 MPH.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........64 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 8 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.  
MIXING HEIGHT.......5600 FT AGL.  
TRANSPORT WINDS.....SOUTH 9 TO 18 MPH.  
 
TIME (CDT) 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P  
SKY (%).........7 12 18 23 22 14 16 17 24 23  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............82 85 88 89 90 91 91 91 91 90  
RH..............89 84 74 68 66 64 64 64 64 67  
20 FT WIND DIR..S S S S SE SE SE SE SE SE  
20 FT WIND SPD..6 6 8 10 10 13 14 14 14 14  
20 FT WIND GUST.9 10 10 13 14 15 16 17 17 17  
EYE LVL WND DIR.S S S S SE SE SE SE SE SE  
EYE LVL WND SPD.4 4 5 6 6 8 8 8 8 8  
EYE LVL WND GST.5 6 6 8 8 9 10 10 10 10  
MIX HGT (KFT)...1.3 2.9 4.3 5.1 5.5 5.6 5.6 5.3 4.8 4.2  
TRANSP WIND DIR.S S S S S S S S SE SE  
TRANSP WIND SPD.9 12 12 12 13 14 15 17 18 18  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
MIN TEMPERATURE.....AROUND 79.  
MAX HUMIDITY........89 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS UP TO 8 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.  
MIXING HEIGHT.......0 FT AGL.  
TRANSPORT WINDS.....SOUTH 13 TO 20 MPH.  
 
TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID  
SKY (%).........15 17 8 11 7 10 8 11 10 13 15 10  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
TEMP............89 87 86 84 84 84 83 82 82 81 81 80  
RH..............67 73 77 81 81 82 84 86 85 87 88 87  
20 FT WIND DIR..SE SE SE SE SE SE S S S S S S  
20 FT WIND SPD..14 13 12 10 10 9 8 7 7 6 6 6  
20 FT WIND GUST.17 17 16 16 16 15 15 14 13 13 13 12  
EYE LVL WND DIR.SE SE SE SE SE SE S S S S S S  
EYE LVL WND SPD.8 8 7 6 6 5 5 4 4 4 4 4  
EYE LVL WND GST.10 10 10 10 10 9 9 8 8 8 8 7  
MIX HGT (KFT)...3.5 2.8 2.3 1.8 1.4 1.0 0.8 0.6 0.4 0.3 0.3 0.1  
TRANSP WIND DIR.SE SE SE SE S S S S S S S S  
TRANSP WIND SPD.20 20 18 18 16 17 16 16 15 14 13 13  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (5-15 PERCENT).  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........58 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 8 MPH.  
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.  
MIXING HEIGHT.......4500 FT AGL.  
TRANSPORT WINDS.....SOUTH 12 TO 15 MPH.  
 
TIME (CDT) 1 AM 3 AM 5 AM 7 AM 9 AM 11 AM  
SKY (%).........10 16 12 11 10 8  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............80 82 88 91 92 92  
RH..............89 87 73 63 59 60  
20 FT WIND......S 6 S 6 S 10 SE 13 SE 14 SE 14  
20 FT WIND GUST.10 10 13 16 17 17  
EYE LEVEL WIND..S 4 S 4 S 6 SE 8 SE 8 SE 8  
EYE LVL WND GST.6 6 8 10 10 10  
MIX HGT (FT)....BLW100 1100 3500 4400 4500 4000  
TRANSPORT WIND..S 12 S 13 S 13 S 14 S 14 SE 14  
 

 
FORECASTER...IRISH  
REQUESTED BY...DONALD DEVRIENDT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2520845.1/BRO  
.DELDT 08/28/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DONALD_DEVRIENDT@FWS.GOV  
 
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