955  
FXUS64 KAMA 140444  
AFDAMA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE AMARILLO TX  
1144 PM CDT THU AUG 13 2026  
   
..NEW KEY MESSAGES, SHORT TERM, LONG TERM
 
 
   
KEY MESSAGES
 
 
ISSUED AT 1117 PM CDT THU AUG 13 2026  
 
- HEAT ADVISORY IS IN EFFECT FOR THE EASTERN PANHANDLES AND PALO  
DURO CANYON ON FRIDAY FOR VERY HOT TEMPERATURES AT OR ABOVE 105  
DEGREES.  
 
- SCATTERED THUNDERSTORMS ARE EXPECTED DAILY THROUGH EARLY NEXT  
WEEK, CANNOT RULE OUT SOME STRONG WIND GUSTS WITH SOME STORMS.  
 

 
   
SHORT TERM
 
 
(TONIGHT THROUGH SATURDAY NIGHT)  
ISSUED AT 1117 PM CDT THU AUG 13 2026  
 
THE MAIN H800-300 MOISTURE TRANSPORT AXIS ON THE WESTERN PERIPHERY  
OF THE MID LEVEL HIGH CONTINUES TO FUNNEL IN MOISTURE FROM THE GULF  
OF AMERICA INTO THE PANHANDLES REGION. MID LEVEL PERTURBATIONS ON  
SAID PERIPHERY REGION SHOULD ONCE AGAIN GENERATE SCATTERED  
THUNDERSTORMS AIDED BY DIURNAL HEATING ACROSS THE REGION. WESTERN  
AND NORTHERN COMBINED PANHANDLES HAVE THE HIGHEST PROBS (20-35%)  
OF SEEING RAIN AND/OR THUNDERSTORMS. IN THE MOST ROBUST  
THUNDERSTORMS, DCAPE OF 1500-1800 J/KG IN AFOREMENTIONED AREAS ARE  
STRONG ENOUGH WITH RATHER ANEMIC WIND SHEAR TO SUPPORT THE  
POTENTIAL FOR A SEVERE GUST TOPPING OUT 60-70 MPH, SIMILAR TO  
WHAT WE OBSERVED WITH SOME THUNDERSTORMS ON THURSDAY IN PORTIONS  
OF THE PANHANDLES. ALSO ONE TO WATCH, WITH PWAT VALUES TOMORROW  
FROM THE LATEST SOUNDINGS IN THE 75TH-99TH PERCENTILE VS. AUGUST  
CLIMO VALUES, ANY TRAINING AND/OR SLOW MOVING THUNDERSTORMS COULD  
PRODUCE A VERY LOCALIZED FLOODING THREAT, BUT CONFIDENCE WITH THIS  
OCCURRING REMAIN LOW AT THIS TIME. MEANWHILE FOR PALO DURO  
CANYON, ALONG WITH THE EASTERN COMBINED PANHANDLE, HI-RES PROBS OF  
105+ FOR HIGH TEMPERATURES STILL EXCEED 50% FOR THESE AREAS,  
WHERE UL SUBSIDENCE IS MOST PRESENT AND RAIN CHANCES ARE MINIMAL  
COMPARED TO OTHER AREAS IN THE PANHANDLES. OVERALL HIGH  
TEMPERATURES FOR FRIDAY WILL RANGE FROM 95-106.  
 
HEAT ADVISORY CRITERIA TEMPERATURES MAY FINALLY SUBSIDE AS WE GO  
INTO THE FIRST HALF OF THE WEEKEND. THE WESTERN PERIPHERY OF THE  
MAIN MID LEVEL ANTICYCLONIC SYSTEM SHOULD STEER THE MORE FAVORABLE  
MOISTURE TRANSPORT AXIS INTO THE CENTRAL AND WESTERN PANHANDLES  
FOR TOMORROW. THESE AREAS WILL HAVE THE HIGHER RAIN CHANCES VS.  
THE EASTERN PANHANDLES. HIGH TEMPERATURES ON SATURDAY WILL RANGE  
FROM THE MID 90S TO 100-102.  
 

 
   
LONG TERM
 
 
(SUNDAY THROUGH NEXT THURSDAY)  
ISSUED AT 1117 PM CDT THU AUG 13 2026  
 
STILL SOME DISCREPANCIES IN THE LONG TERM FORECAST PERIOD ON WHERE  
THE MAIN H500 HIGH FEATURE WILL RE-CENTER EACH DAY, RANGING FROM  
WEST TEXAS INTO THE SE CONUS THROUGH MID WEEK. THIS WILL CHANGE  
THE MOISTURE AXIS FOR BEST DAILY RAIN CHANCES. CURRENTLY FAVORS  
THE NORTHERN PANHANDLES THROUGH EARLY NEXT WEEK, BEFORE A  
POTENTIALDRYING PATTERN RETURNS MID WEEK FOR MOST AREAS. HIGH  
TEMPERATURES REMAIN ABOVE AVERAGE FOR MID AUGUST.  
 

 
   
AVIATION
 
 
(00Z TAFS)  
ISSUED AT 650 PM CDT THU AUG 13 2026  
 
SCATTERED THUNDERSTORMS MOVING NEAR AND THROUGH THE AMA AREA AT  
THIS TIME. WILL CONTINUE TO MONITOR FOR THE DHT AND GUY SITES FOR  
ANY NEW DEVELOPMENT NEAR THOSE LOCATIONS IN THE SHORT TERM BEFORE  
CONVECTION BEGINS TO FALL APART THIS EVENING. SOUTH WINDS WILL  
BECOME SOUTHWESTERLY TOWARDS MORNING AT ALL LOCATIONS HOWEVER A  
FRONTAL BOUNDARY WILL MOVE THROUGH DHT AND GUY AREAS NEAR SUNRISE  
FRIDAY SWITCHING WINDS TO THE WEST AND NORTHWEST. BY MID TO LATE  
AFTN FRIDAY THE BOUNDARY WILL RETURN NORTH AND WINDS AT ALL TAF  
SITES WILL BE SOUTHERLY AT 10-15KT WITH GUSTS TO 25KT POSSIBLE.  
AFTN THUNDERSTORMS EXPECTED AGAIN TOMORROW OVER NORTHERN TX AND  
THE OK PANHANDLE AREAS.  
 
KP  
 

 
   
AMA WATCHES/WARNINGS/ADVISORIES
 
 
TX...HEAT ADVISORY UNTIL 8 PM CDT FRIDAY FOR TXZ004-005-008>010-014-  
015-019-020-317.  
 
OK...HEAT ADVISORY UNTIL 8 PM CDT FRIDAY FOR OKZ003.  
 

 
 

 
 
SHORT TERM...29  
LONG TERM....29  
AVIATION...KP  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page
The Nexlab OK Page Main Text Page