908  
FNUS74 KEWX 122219  
FWSEWX  
 
SPOT FORECAST FOR ATASCOSA 4295...TAMFS  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
519 PM CDT FRI SEP 12 2025  
 
FORECAST IS BASED ON FORECAST START TIME OF 1700 CDT ON SEPTEMBER 12.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
ISOLATED SHOWERS ARE ONGOING JUST SOUTH AND WEST OF THE INCIDENT.  
THESE SHOWERS ARE FORECAST TO CONTINUE TO PUSH WEST, AWAY FROM THE  
AREA. OTHERWISE, HOT AND DRY CONDITIONS FOR THE REST OF TODAY  
THROUGH THE WEEKEND. LOW RH VALUES IN THE MID 20S LATE THIS  
AFTERNOON ARE FORECAST TO RECOVER TO AROUND 70% SATURDAY MORNING.  
SOUTHEAST WINDS BRIEFLY INCREASING THROUGH THE EVENING TO AROUND  
15 MPH WITH GUSTS TO 25 MPH, THE DECREASING OVERNIGHT TO AROUND 5  
TO 10 MPH. A SIMILAR RH AND WIND TREND IS FORECAST SATURDAY  
AFTERNOON AND EVENING.  
   
REST OF TODAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 97.  
MIN HUMIDITY........28 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS AROUND 8 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS AROUND 12 MPH. GUSTY AND  
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.  
MIXING HEIGHT.......7300 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST AROUND 16 MPH.  
 
TIME (CDT) 5PM  
SKY (%).........16  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........SCH  
CWR.............0  
TEMP............96  
RH..............28  
20 FT WIND DIR..SE  
20 FT WIND SPD..14  
20 FT WIND GUST.22  
EYE LVL WND DIR.SE  
EYE LVL WND SPD.8  
EYE LVL WND GST.13  
MIX HGT (KFT)...7.3  
TRANSP WIND DIR.SE  
TRANSP WIND SPD.16  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).  
CWR.................0 PERCENT.  
MIN TEMPERATURE.....AROUND 69.  
MAX HUMIDITY........93 PERCENT.  
EYE LEVEL WINDS.....SOUTHEAST WINDS UP TO 8 MPH SHIFTING TO THE  
EAST AROUND 3 MPH OVERNIGHT, THEN SHIFTING TO  
THE NORTHEAST EARLY IN THE MORNING.  
WIND (20 FT)........  
SLOPE/VALLEY.......SOUTHEAST WINDS 5 TO 12 MPH IN THE EVENING AND  
OVERNIGHT BECOMING LIGHT. GUSTY AND ERRATIC  
WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE  
EVENING.  
MIXING HEIGHT.......400 FT AGL.  
TRANSPORT WINDS.....SOUTHEAST 7 TO 16 MPH SHIFTING TO THE EAST  
AROUND 6 MPH EARLY IN THE MORNING.  
 
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........13 11 8 11 5 3 4 8 6 10 11 9  
WEATHER COV.....SCH  
WEATHER TYPE....RW  
TSTM COV........SCH  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............94 92 88 85 82 79 77 76 74 73 72 71  
RH..............31 36 42 50 58 69 76 79 84 87 90 93  
20 FT WIND DIR..SE SE SE SE SE SE SE SE SE SE E NE  
20 FT WIND SPD..14 14 14 12 10 8 6 6 5 5 5 5  
20 FT WIND GUST.22 23 22 21 18 15 13 10 9 8 7 7  
EYE LVL WND DIR.SE SE SE SE SE SE SE SE SE SE E NE  
EYE LVL WND SPD.8 8 8 7 6 5 4 4 3 3 3 3  
EYE LVL WND GST.13 14 13 13 11 9 8 6 5 5 4 4  
MIX HGT (KFT)...4.9 3.7 2.9 1.3 0.4 0.5 0.5 0.5 0.5 0.5 0.4 0.4  
TRANSP WIND DIR.SE SE SE SE SE SE SE SE SE SE E E  
TRANSP WIND SPD.16 16 16 15 14 13 12 10 9 8 7 6  
   
SATURDAY
 
 
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).  
CWR.................0 PERCENT.  
MAX TEMPERATURE.....AROUND 97.  
MIN HUMIDITY........33 PERCENT.  
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 3 MPH INCREASING TO EAST  
AROUND 4 MPH EARLY IN THE MORNING, THEN  
SHIFTING TO THE SOUTHEAST 6 TO 9 MPH IN THE  
LATE MORNING AND AFTERNOON.  
WIND (20 FT)........  
SLOPE/VALLEY.......LIGHT WINDS BECOMING NORTHEAST 5 TO 6 MPH EARLY  
IN THE MORNING, THEN SHIFTING TO THE SOUTHEAST  
8 TO 13 MPH IN THE LATE MORNING AND AFTERNOON.  
MIXING HEIGHT.......7600 FT AGL.  
TRANSPORT WINDS.....EAST 6 TO 13 MPH SHIFTING TO THE SOUTHEAST 14  
TO 17 MPH IN THE AFTERNOON.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........17 22 37 30 33 33 29 22 32 34 37 25  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............71 70 72 78 82 86 89 91 94 95 95 95  
RH..............90 90 90 76 67 55 47 41 36 34 34 33  
20 FT WIND DIR..NE NE NE E E SE SE SE SE SE SE SE  
20 FT WIND SPD..5 6 6 7 10 12 13 14 14 14 15 15  
20 FT WIND GUST.8 9 10 12 14 17 20 21 21 22 22 23  
EYE LVL WND DIR.NE NE NE E E SE SE SE SE SE SE SE  
EYE LVL WND SPD.3 4 4 4 6 7 8 8 8 8 9 9  
EYE LVL WND GST.5 5 6 7 8 10 12 13 13 13 13 14  
MIX HGT (KFT)...0.4 0.4 1.1 2.6 3.4 4.1 5.5 6.2 6.6 7.2 7.6 6.8  
TRANSP WIND DIR.E E E E SE SE SE SE SE SE SE SE  
TRANSP WIND SPD.6 6 7 8 9 10 13 14 15 16 16 17  
 

 
FORECASTER...76  
REQUESTED BY...JOSHUA SPEARS  
TYPE OF REQUEST...WILDFIRE  
.TAG 2521887.0/EWX  
.DELDT 09/12/25  
.FORMATTERVERSION 2.0.0  
.EMAIL CSDISPATCH@TFS.TAMU.EDU  
 
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