817   
FNUS74 KBRO 272029  
FWSBRO  
  
SPOT FORECAST FOR BAHIA GRANDE UNIT 2...USFWS  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
329 PM CDT WED AUG 27 2025  
  
FORECAST IS BASED ON FORECAST START TIME OF 0700 CDT ON AUGUST 28.   
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
  
   
THURSDAY  
  
SKY/WEATHER.........SUNNY (15-25 PERCENT).   
MAX TEMPERATURE.....AROUND 93.   
MIN HUMIDITY........64 PERCENT.   
EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST UP TO 8 MPH   
                    EARLY IN THE MORNING.   
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 13 MPH   
                    EARLY IN THE MORNING.   
MIXING HEIGHT.......5500 FT AGL.   
TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH.   
  
TIME (CDT)      7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM   
SKY (%).........25  22  27  30  24  22  23  30  15  9   11    
WEATHER COV.....                                              
WEATHER TYPE....                                              
TSTM COV........                                              
TEMP............80  82  85  87  88  90  90  90  91  91  89    
RH..............90  90  81  73  70  66  65  66  64  64  67    
20 FT WIND DIR..S   S   S   SE  SE  SE  SE  SE  SE  SE  SE    
20 FT WIND SPD..3   5   6   7   9   10  13  14  14  14  14    
20 FT WIND GUST.8   8   9   10  12  13  15  16  17  17  17    
EYE LVL WND DIR.S   S   S   SE  SE  SE  SE  SE  SE  SE  SE    
EYE LVL WND SPD.2   3   4   4   5   6   8   8   8   8   8     
EYE LVL WND GST.5   5   5   6   7   8   9   10  10  10  10    
MIX HGT (KFT)...0.2 1.4 2.9 4.2 5.0 5.4 5.5 5.3 5.0 4.4 3.8   
TRANSP WIND DIR.S   S   S   S   SE  SE  SE  SE  SE  SE  SE    
TRANSP WIND SPD.8   7   10  9   10  12  13  14  15  16  16    
   
THURSDAY NIGHT  
  
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).   
MIN TEMPERATURE.....AROUND 79.   
MAX HUMIDITY........91 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 14 TO 18 MPH.   
  
TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM   
SKY (%).........4   11  19  13  7   6   5   4   4   4   4   6     
WEATHER COV.....                                                  
WEATHER TYPE....                                                  
TSTM COV........                                                  
TEMP............89  87  85  84  83  83  82  82  81  81  81  80    
RH..............69  71  77  81  82  84  85  85  86  87  87  90    
20 FT WIND DIR..SE  SE  SE  SE  SE  SE  S   S   S   S   S   S     
20 FT WIND SPD..14  12  10  9   9   8   8   7   7   6   6   6     
20 FT WIND GUST.16  16  15  15  15  14  14  13  13  12  12  12    
EYE LVL WND DIR.SE  SE  SE  SE  SE  SE  S   S   S   S   S   S     
EYE LVL WND SPD.8   7   6   5   5   5   5   4   4   4   4   4     
EYE LVL WND GST.10  10  9   9   9   8   8   8   8   7   7   7     
MIX HGT (KFT)...3.2 2.6 2.1 1.7 1.4 1.0 0.6 0.3 0.2 0.2 0.2 0.1   
TRANSP WIND DIR.SE  SE  SE  SE  SE  S   S   S   S   S   S   S     
TRANSP WIND SPD.17  17  18  18  17  16  16  15  15  15  15  14    
   
FRIDAY  
  
SKY/WEATHER.........SUNNY (5-15 PERCENT).   
MAX TEMPERATURE.....AROUND 94.   
MIN HUMIDITY........61 PERCENT.   
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 8 MPH.   
WIND (20 FT)........SOUTHEAST WINDS 6 TO 13 MPH.   
MIXING HEIGHT.......4400 FT AGL.   
TRANSPORT WINDS.....SOUTH 10 TO 15 MPH.   
  
TIME (CDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM     
SKY (%).........7      11     14     14     11     5        
WEATHER COV.....                                            
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE     
TSTM COV........                                            
TEMP............79     82     88     90     92     91       
RH..............91     85     72     64     61     61       
20 FT WIND......S 6    S 7    S 9    SE 12  SE 14  SE 14    
20 FT WIND GUST.10     10     13     15     17     17       
EYE LEVEL WIND..S 4    S 4    S 5    SE 7   SE 8   SE 8     
EYE LVL WND GST.6      6      8      9      10     10       
MIX HGT (FT)....BLW100 1000   3100   4100   4400   4000     
TRANSPORT WIND..S 12   S 10   S 13   S 13   S 14   SE 14    
  
  
FORECASTER...KAMBA  
REQUESTED BY...DONALD DEVRIENDT  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2520845.0/BRO  
.DELDT 08/27/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DONALD_DEVRIENDT@FWS.GOV  
 
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