219  
FNUS74 KEWX 262024  
FWSEWX  
 
SPOT FORECAST FOR ATASCOSA BRUSH FIRE...BEXAR COUNTY FIRE  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
324 PM CDT THU MAR 26 2026  
 
FORECAST IS BASED ON FORECAST START TIME OF 1600 CDT ON MARCH 26.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION  
 
SUNNY SKIES SHOULD CONTINUE TO PREVAIL WITH BREEZY SOUTH  
SOUTHEASTERLY WINDS OF 10 TO 15 MPH WITH OCCASIONAL GUSTS UP TO 25  
MPH. WINDS SHOULD DECREASE AND BECOME LIGHT AFTER SUNSET BUT  
REMAIN FROM THE SOUTH. EXCELLENT MOISTURE RECOVERY IS EXPECTED  
OVERNIGHT ALONG WITH INCREASING CLOUDS. SUNNY SKIES SHOULD PREVAIL  
BY LATE TOMORROW MORNING ALONG WITH LIGHT SOUTHERLY WINDS OF 5 TO  
10 MPH. A DRY COLD FRONT MOVES OVER THE AREA BY LATE AFTERNOON  
CAUSING WINDS TO SWITCH TO THE EAST BUT REMAIN LIGHT.  
ADDITIONALLY, NO RAIN IS EXPECTED THROUGHOUT THE FORECAST PERIOD.  
   
REST OF TODAY  
 
SKY/WEATHER.........SUNNY (0-5 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 90.  
MIN HUMIDITY........33 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS 10 TO 15 MPH WITH GUSTS UP TO 25 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS 12 TO 13 MPH.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....SOUTH 20 TO 21 MPH.  
SMOKE DISPERSAL.....EXCELLENT (83600 KNOT-FT).  
 
TIME (CDT) 4PM 5PM  
SKY (%).........2 2  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0  
TEMP............90 90  
RH..............33 33  
20 FT WIND DIR..S S  
20 FT WIND SPD..14 15  
20 FT WIND GUST.23 23  
EYE LVL WND DIR.S S  
EYE LVL WND SPD.8 9  
EYE LVL WND GST.14 14  
MIX HGT (KFT)...5.2 4.9  
TRANSP WIND DIR.S S  
TRANSP WIND SPD.20 21  
VRATE KT-FT/1K..84 84  
VENTRATE CAT....GD GD  
   
TONIGHT  
 
SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (50-60 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 62.  
MAX HUMIDITY........100 PERCENT.  
EYE LEVEL WINDS.....SOUTH WINDS 5 TO 10 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 8 TO 16 MPH.  
MIXING HEIGHT.......600 FT AGL.  
TRANSPORT WINDS.....SOUTH 17 TO 21 MPH.  
SMOKE DISPERSAL.....EXCELLENT (79400 KNOT-FT) EARLY IN THE EVENING  
DECREASING TO POOR (8500 KNOT-FT) LATE IN THE  
NIGHT.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........2 4 4 3 4 7 13 34 37 42 46 54  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............89 88 83 76 74 71 69 68 67 65 64 63  
RH..............33 35 44 58 66 73 78 81 84 90 90 93  
20 FT WIND DIR..S SE SE SE SE SE SE S S S S S  
20 FT WIND SPD..16 17 17 16 15 14 13 12 10 10 9 9  
20 FT WIND GUST.24 24 26 25 24 23 22 20 20 18 17 17  
EYE LVL WND DIR.S SE SE SE SE SE SE S S S S S  
EYE LVL WND SPD.10 10 10 10 9 8 8 7 6 6 5 5  
EYE LVL WND GST.14 14 16 15 14 14 13 12 12 11 10 10  
MIX HGT (KFT)...4.3 4.0 3.1 1.5 0.6 0.7 0.8 0.8 0.8 0.9 0.9 1.0  
TRANSP WIND DIR.S S S S S S S S S S S S  
TRANSP WIND SPD.21 21 21 20 20 18 18 17 17 17 17 17  
VRATE KT-FT/1K..79 67 9 10 10 10 13 12 13 13 10 9  
VENTRATE CAT....GD GD PR PR PR PR PR PR PR PR PR PR  
   
FRIDAY  
 
SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING  
SUNNY (5-15 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 89.  
MIN HUMIDITY........32 PERCENT.  
EYE LEVEL WINDS.....EAST WINDS UP TO 5 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTH WINDS AROUND 8 MPH SHIFTING TO THE EAST 7  
TO 8 MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT.......5200 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 9 TO 16 MPH SHIFTING TO THE EAST 10  
TO 13 MPH LATE IN THE AFTERNOON.  
SMOKE DISPERSAL.....POOR (8700 KNOT-FT) EARLY IN THE MORNING  
INCREASING TO GOOD (45100 KNOT-FT) IN THE  
AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........62 71 76 71 48 28 14 6 4 4 6 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............63 62 64 65 69 73 79 82 85 88 88 89  
RH..............97 100 90 90 81 71 56 47 41 36 35 33  
20 FT WIND DIR..S S S S S S SE E E E E E  
20 FT WIND SPD..9 9 9 9 9 8 7 6 7 7 8 9  
20 FT WIND GUST.16 15 15 15 15 15 13 12 13 13 14 15  
EYE LVL WND DIR.S S S S S S SE E E E E E  
EYE LVL WND SPD.5 5 5 5 5 5 4 4 4 4 5 5  
EYE LVL WND GST.10 9 9 9 9 9 8 7 8 8 8 9  
MIX HGT (KFT)...1.1 1.2 1.4 1.7 1.9 2.3 3.1 3.5 3.9 4.8 5.2 4.7  
TRANSP WIND DIR.S S S S SE SE SE SE SE E E E  
TRANSP WIND SPD.16 16 15 14 13 10 10 9 9 10 12 13  
VRATE KT-FT/1K..9 16 18 23 29 32 32 31 34 39 44 45  
VENTRATE CAT....PR PR PR PR PR PR PR PR PR PR FR FR  
 
 
FORECASTER...02  
REQUESTED BY...BC HAVERDA JACOB  
TYPE OF REQUEST...WILDFIRE  
.TAG 2608050.0/EWX  
.DELDT 03/26/26  
.FORMATTERVERSION 2.0.0  
.EMAIL SOFIA.RUIZ@BEXAR.ORG  
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