975  
FXUS64 KSJT 172341 AAA  
AFDSJT  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE SAN ANGELO TX  
641 PM CDT TUE JUL 17 2018  
   
AVIATION
 
 
/00Z TAFS/  
 
GENERALLY CLEAR SKIES AND VFR CONDITIONS ARE EXPECTED THROUGH  
THE NEXT 24 HOURS. SOME PATCHY LOW CLOUD DEVELOPMENT MAY  
OCCUR EARLY TUESDAY MORNING OVER PARTS OF THE HILL COUNTRY, BUT  
THIS IS EXPECTED TO STAY SOUTH OF KJCT. SOUTH-SOUTHEAST WINDS  
WILL DECREASE TO 3-6 KNOTS BY EARLY TONIGHT. SOUTH-SOUTHWEST  
WINDS ON WEDNESDAY MORNING WILL BACK SLIGHTLY TO DUE SOUTH IN  
THE AFTERNOON. WIND SPEEDS WILL BE 6-10 KNOTS.  
 

 
   
PREV DISCUSSION
 
/ISSUED 231 PM CDT TUE JUL 17 2018/  
 
DISCUSSION...  
 
HIGH PRESSURE ALOFT OVER THE SOUTHWEST U.S. AND TEXAS WILL  
DEVELOP AND EXPAND SOUTHEASTWARD THIS WEEKEND. THIS WILL BRING  
EVEN HOTTER TEMPERATURES TO WEST CENTRAL TEXAS, AS 850 MB  
TEMPERATURES INCREASE INTO THE 28 TO 30 C RANGE WEDNESDAY AND 30  
TO 31 CELSIUS RANGE THIS WEEKEND. THIS WILL TRANSLATE INTO HIGHS  
AROUND 105 TO 107. AN EXCESSIVE HEAT WARNING HAS BEEN ISSUED  
WEDNESDAY THROUGH FRIDAY FOR THE BIG COUNTRY, CONCHO VALLEY, AND  
HEARTLAND, WITH A HEAT ADVISORY FARTHER SOUTH, INCLUDING THE I-10  
CORRIDOR.  
 
MODELS INDICATED THE UPPER RIDGE REMAINING OVER THE REGION INTO  
THE MIDDLE OF NEXT WEEK, SO IT IS LIKELY THE EXCESSIVE HEAT  
WARNINGS/ADVISORIES WILL BE EXTENDED. BEYOND THE 7 DAY FORECAST, A  
WEEK FROM THURSDAY, THE EC AND GFS MODELS INDICATE A WEAK COLD  
FRONT BISECTING THE REGION ALONG WITH NORTHERLY FLOW ALOFT. THIS,  
HOPEFULLY, COULD BRING SCATTERED THUNDERSTORMS AND LESS HOT  
TEMPERATURES.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
ABILENE 76 104 77 104 / 0 0 0 0  
SAN ANGELO 74 105 76 106 / 0 0 0 0  
JUNCTION 73 103 76 103 / 0 0 0 0  
BROWNWOOD 73 104 75 104 / 0 0 0 0  
SWEETWATER 76 104 78 105 / 0 0 0 0  
OZONA 72 102 72 102 / 0 0 0 0  
 

 
   
SJT WATCHES/WARNINGS/ADVISORIES
 
 
EXCESSIVE HEAT WARNING FROM NOON WEDNESDAY TO 7 PM CDT FRIDAY  
FOR BROWN-CALLAHAN-COKE-COLEMAN-CONCHO-FISHER-HASKELL-IRION-  
JONES-MCCULLOCH-NOLAN-RUNNELS-SAN SABA-SHACKELFORD-STERLING-  
TAYLOR-THROCKMORTON-TOM GREEN.  
 
HEAT ADVISORY FROM NOON WEDNESDAY TO 7 PM CDT FRIDAY FOR  
CROCKETT-KIMBLE-MASON-MENARD-SCHLEICHER-SUTTON.  
 

 
 

 
 
AVIATION DISCUSSION...19  
PREVIOUS DISCUSSION...24/04  
 
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