246  
FNUS74 KBRO 202208  
FWSBRO  
 
SPOT FORECAST FOR BROOKS COUNTY...TEXAS A&M FOREST SERVICE  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
508 PM CDT MON APR 20 2020  
 
IF CONDITIONS BECOME UNREPRESENTATIVE,CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
MODERATE SOUTHEAST WINDS WITH MODERATELY HIGH  
RELATIVE HUMIDITY THE REMAINDER OF THE AFTERNOON. WINDS DIMINISH  
AND RELATIVE HUMIDITY RECOVER NEAR 100 PERCENT TONIGHT. FOG  
DEVELOPS AFTER MIDNIGHT PERSISTING THROUGH TUESDAY MORNING.  
   
TONIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (60-70 PERCENT). PATCHY FOG AFTER  
MIDNIGHT.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........100 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 13 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 6 TO 13 MPH.  
MIXING HEIGHT.......1300-2900 FT AGL DECREASING TO 400-800 FT AGL  
EARLY IN THE EVENING.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 18 MPH DECREASING TO AROUND 8  
MPH LATE IN THE NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........28 8 17 34 42 46 55 59 64 73 78 78  
WEATHER COV..... PTY PTY PTY PTY PTY  
WEATHER TYPE.... FOG FOG FOG FOG FOG  
TSTM COV........  
TEMP............92 87 82 79 75 73 72 72 71 71 70 70  
RH..............39 50 59 67 78 85 89 93 100 100 100 100  
20 FT WIND DIR..120 120 120 120 130 130 140 140 150 140 140 140  
20 FT WIND SPD..13 12 9 9 7 6 6 6 6 6 6 6  
20 FT WIND GUST.14 13 11 11 8 7  
EYE LVL WND DIR.120 120 120 120 130 130 140 140 150 140 140 140  
EYE LVL WND SPD.8 8 6 6 4 4 4 4 4 4 4 4  
EYE LVL WND GST.10 10 8 8 6 5 5 5 5 5 5 5  
MIX HGT (KFT)...2.9 1.3 0.7 0.7 0.8 0.7 0.7 0.8 0.7 0.6 0.6 0.4  
TRANSP WIND DIR.120 120 120 130 140 140 150 150 150 150 140 140  
TRANSP WIND SPD.17 18 17 16 15 14 14 13 12 10 9 8  
   
TUESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). PATCHY FOG EARLY  
IN THE MORNING.  
MAX TEMPERATURE.....AROUND 92.  
MIN HUMIDITY........53 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 6 TO 14 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 6 TO 14 MPH.  
MIXING HEIGHT.......300-2000 FT AGL INCREASING TO 2300-2900 FT AGL  
IN THE AFTERNOON.  
TRANSPORT WINDS.....SOUTHEAST 8 TO 17 MPH INCREASING TO AROUND 18  
MPH LATE IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........79 79 81 84 85 77 61 53 55 60 62 60  
WEATHER COV.....PTY  
WEATHER TYPE....FOG  
TSTM COV........  
TEMP............70 70 72 74 77 80 84 86 90 92 92 90  
RH..............100 100 100 99 89 79 70 64 57 53 53 57  
20 FT WIND DIR..130 130 130 130 130 130 130 130 120 120 120 110  
20 FT WIND SPD..6 6 6 6 7 9 9 10 12 13 14 14  
20 FT WIND GUST. 7 8 11 11 12 13 14 16 16  
EYE LVL WND DIR.130 130 130 130 130 130 130 130 120 120 120 110  
EYE LVL WND SPD.4 4 4 4 4 6 6 7 8 8 9 9  
EYE LVL WND GST.5 5 5 5 6 8 8 9 10 10 12 12  
MIX HGT (KFT)...0.3 0.4 0.7 1.2 1.6 2.0 2.3 2.5 2.7 2.9 2.9 2.8  
TRANSP WIND DIR.120 110 120 130 130 130 130 130 130 130 120 120  
TRANSP WIND SPD.8 8 9 12 13 14 14 15 16 16 17 18  
   
TUESDAY NIGHT
 
 
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT).  
MIN TEMPERATURE.....AROUND 73.  
MAX HUMIDITY........100 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS 9 TO 15 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 9 TO 15 MPH.  
MIXING HEIGHT.......700-2600 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 15 TO 21 MPH.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........57 61 80 75 75 82  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............86 81 76 74 73 74  
RH..............64 77 93 100 100 93  
20 FT WIND......110/15 110/13 120/9 120/9 140/9 150/9  
20 FT WIND GUST.17 14 11 11 11 11  
EYE LEVEL WIND..110/10 110/8 120/6 120/6 140/6 150/6  
EYE LVL WND GST.13 10 8 8 8 8  
MIX HGT (FT)....2600 2100 1400 800 900 1400  
TRANSPORT WIND..130/20 130/21 130/20 130/16 140/16 150/18  
   
WEDNESDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT).  
MAX TEMPERATURE.....AROUND 99.  
MIN HUMIDITY........34 PERCENT.  
EYE LEVEL WINDS.....SOUTHWEST WINDS 5 TO 13 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHWEST WINDS 5 TO 13 MPH.  
MIXING HEIGHT.......800-2500 FT AGL INCREASING TO 5600-6800 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 13 TO 20 MPH DECREASING TO AROUND 10  
MPH LATE IN THE AFTERNOON.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........65 77 74 59 47 45  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TSTM COV........  
TEMP............73 74 81 87 95 97  
RH..............98 89 74 57 42 36  
20 FT WIND......150/9 150/10 160/13 170/13 190/13 210/8  
20 FT WIND GUST.10 13 16 16 17 10  
EYE LEVEL WIND..150/6 150/7 160/8 170/8 190/9 210/5  
EYE LVL WND GST.8 10 12 12 13 8  
MIX HGT (FT)....900 800 1600 3500 5600 6800  
TRANSPORT WIND..150/14 150/14 170/18 190/20 200/17 210/13  
 

 
FORECASTER...BOGORAD  
REQUESTED BY...KASIE WAGENFEHR  
TYPE OF REQUEST...WILDFIRE  
.TAG 2005952.0/BRO  
.DELDT 04/20/20  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
 
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