404  
FNUS74 KEWX 172024  
FWSEWX  
 
SPOT FORECAST FOR CAMP BULLIS TA20...BLM  
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX  
224 PM CST FRI JAN 17 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 0700 CST ON JANUARY 18.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
 
A COLD FRONT WILL MOVE OVER THE BURN AREA AROUND SUNRISE, BRINGING  
GUSTY NORTHWEST TO NORTH WINDS, COOLER TEMPERATURES AND DRIER AIR  
TO THE REGION. LOOK FOR AN AFTERNOON HIGH IN THE UPPER 50S AND  
MINIMUM RELATIVE HUMIDITY VALUES NEAR 32 PERCENT. WIND GUSTS MAY  
BRIEFLY EASE DURING THE EARLY AFTERNOON, BUT WILL BE ON THE INCREASE  
SHORTLY AFTER SUNSET AS ANOTHER SURGE OF COLD AIR MOVES IN FROM THE  
NORTH. WINDS WILL ALSO TREND TO A MORE NORTH TO NORTHEASTERLY  
DIRECTION AND REMAIN GUSTY THROUGH SATUDAY NIGHT.  
   
SATURDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
MAX TEMPERATURE.....AROUND 59.  
MIN HUMIDITY........32 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS 8 TO 12 MPH WITH GUSTS NEAR 18 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 9 TO 14 MPH WITH GUSTS NEAR 20 MPH.  
MIXING HEIGHT.......INCREASING TO 3000 FT AGL.  
TRANSPORT WINDS.....NORTH 15 TO 20 MPH.  
HAINES INDEX........4 TO 5 OR LOW TO MODERATE POTENTIAL FOR LARGE  
PLUME DOMINATED FIRE GROWTH.  
 
TIME (CST) 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........30 15 10 10 8 3 3 2 5 3 3  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1  
TEMP............45 44 46 49 52 55 57 58 59 58 56  
RH..............53 58 56 52 48 43 40 39 32 36 38  
20 FT WIND DIR..N N N N N N N N N N N  
20 FT WIND SPD..10 10 10 12 10 10 10 10 9 9 9  
20 FT WIND GUST.20 20 20 21 20 18 18 18 17 17 16  
EYE LVL WND DIR.N N N N N N N N N N N  
EYE LVL WND SPD.6 6 6 7 6 6 6 6 5 5 5  
EYE LVL WND GST.12 14 17 16 14 12 11 11 10 10 10  
MIX HGT (KFT)...0.5 0.9 1.1 1.3 1.8 2.0 2.2 2.7 3.0 2.3 0.9  
TRANSP WIND DIR.N N N N N N N N N N N  
TRANSP WIND SPD.14 15 15 15 15 15 15 14 13 13 13  
HAINES INDEX....5 5 5 5 5 5 5 5 5 5 4  
   
SATURDAY NIGHT
 
 
SKY/WEATHER.........CLEAR (0-10 PERCENT).  
CWR.................0 PERCENT.  
LAL.................NO TSTMS.  
MIN TEMPERATURE.....AROUND 27.  
MAX HUMIDITY........59 PERCENT.  
EYE LEVEL WINDS.....NORTH WINDS 7 TO 12 MPH INCREASING TO 14 TO 18  
MPH AFTER MIDNIGHT. GUSTS TO NEAR 25 MPH.  
WIND (20 FT)........  
SLOPE/VALLEY.......NORTH WINDS 12 TO 17 MPH WITH GUSTS NEAR 30 MPH.  
MIXING HEIGHT.......DECREASING TO 300 FT AGL.  
TRANSPORT WINDS.....NORTH 13 TO 22 MPH INCREASING TO 24 TO 28 MPH  
OVERNIGHT.  
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED  
FIRE GROWTH.  
 
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM  
SKY (%).........4 3 4 6 5 5 4 4 4 4 4 4  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CWR.............0 0 0 0 0 0 0 0 0 0 0 0  
LAL.............1 1 1 1 1 1 1 1 1 1 1 1  
TEMP............52 49 46 43 41 39 37 35 34 31 30 28  
RH..............44 46 49 53 55 54 54 54 51 52 56 59  
20 FT WIND DIR..N N N N N N N N N N N N  
20 FT WIND SPD..8 9 10 13 14 16 17 18 20 21 21 20  
20 FT WIND GUST.14 17 20 21 23 24 26 29 30 31 31 30  
EYE LVL WND DIR.N N N N N N N N N N N N  
EYE LVL WND SPD.5 5 6 8 8 10 10 11 12 13 13 12  
EYE LVL WND GST.8 10 12 13 14 14 16 17 21 24 22 22  
MIX HGT (KFT)...0.3 0.3 0.5 0.6 0.8 1.2 1.4 1.4 1.6 1.7 1.7 1.6  
TRANSP WIND DIR.N N N N N NE NE NE N N N N  
TRANSP WIND SPD.13 14 16 18 21 22 24 25 26 28 28 28  
HAINES INDEX....4 4 4 4 4 4 4 4 4 4 4 4  
 

 
FORECASTER...24  
REQUESTED BY...NILES LUDLOW  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2500868.0/EWX  
.DELDT 01/17/25  
.FORMATTERVERSION 2.0.0  
.EMAIL NLUDLOW@BLM.GOV  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page Main Text Page