426  
FXUS64 KAMA 222337 AAA  
AFDAMA  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE AMARILLO TX  
537 PM CST WED JAN 22 2020  
   
AVIATION
 
 
FOR THE 00Z TAFS, VFR CONDITIONS ARE EXPECTED AT KGUY, KDHT, AND  
KAMA THROUGH LATE THURSDAY AFTERNOON.  
 
02  
 

 
   
PREV DISCUSSION
 
/ISSUED 245 PM CST WED JAN 22 2020/  
 
SHORT TERM...TONIGHT AND THURSDAY...  
AN H5 TROUGH CONTINUES TO DIG SOUTHEAST FROM ALBERTA, CANADA  
SOUTH TO SOUTHEAST THROUGH THE GREAT PLAINS INTO THE SOUTHERN  
MISSISSIPPI VALLEY, WITH MANY DIFFERENT SPLIT FLOW PERTURBATIONS  
AT H5. THIS TROUGH IS PROGGED TO STRENGTHEN AND BECOME NEGATIVELY  
TILTED ACROSS THE MISSISSIPPI VALLEY BY TOMORROW NIGHT.  
 
FOR TODAY ZONAL FLOW ALOFT AT H5 WILL BECOME NORTHWESTERLY BETWEEN  
NOW AND 00Z. EMBEDDED IN THIS FLOW WILL BE A SMALL PERTURBATION  
INTRODUCING THE POSSIBILITIES OF AN ISOLATED SHOWER ACROSS THE WESTERN  
AND SOUTHERN TEXAS PANHANDLE MAINLY BEFORE 8 PM. INSTABILITY WILL  
BE LIMITED TO THE MID-LEVELS WITH THE QUESTION OF DEWPOINT SPREAD  
AT THE SURFACE ALLOWING MEASURABLE PRECIP TO REACH THE GROUND.  
WINDS WILL BECOME LIGHT TONIGHT WITH CLEAR SKIES ALLOWING MUCH OF  
THE AREA TO DROP BELOW FREEZING ESPECIALLY IN THE NORTHWEST HALF  
OF THE FA WHERE DEWPOINTS WILL BE LESS THAN 30. FOR TOMORROW WINDS  
WILL STILL BE OUT OF THE NORTH PICKING UP TO 15 TO 20 MPH IN THE  
EASTERN FA WILL LOWER SPEEDS IN THE WESTERN FA. DAYTIME HIGHS ARE  
LOOKING TO BE IN THE LOW TO MID 50S ACROSS THE AREA.  
 
HOFFEDITZ  
 
LONG TERM...THURSDAY NIGHT THROUGH WEDNESDAY...  
MILD AND UNEVENTFUL WEATHER EXPECTED THROUGH SUNDAY. DRY  
NORTHWEST FLOW ALOFT PREVAILS THURSDAY NIGHT THROUGH FRIDAY NIGHT.  
A WEAK SHORTWAVE TROF PASSES ON SATURDAY, FOLLOWED BY ADDITIONAL  
NORTHWEST FLOW SATURDAY NIGHT AND SUNDAY. A 500 MB RIDGE PASSES  
SUNDAY AFTERNOON AND SUNDAY EVENING. SOUTHWEST FLOW ALOFT  
STRENGTHENS ON MONDAY WITH THE APPROACH OF OUR NEXT SHORTWAVE  
TROF. THIS TROF PASSES IN THE MONDAY AFTERNOON TO TUESDAY  
AFTERNOON TIME FRAME, WITH NORTHWEST FLOW RESUMING TUESDAY NIGHT  
AND WEDNESDAY.  
 
AT THE SURFACE, PLEASANT WEATHER EXPECTED FRIDAY THROUGH SUNDAY,  
WITH SUNNY DAYS AND LIGHT WINDS. ABOVE-NORMAL TEMPERATURES  
EXPECTED DURING THESE DAYS, WITH HIGHS MAINLY IN THE MID- TO  
UPPER-50S ON FRIDAY AND SATURDAY, AND MAINLY IN THE LOWER-60S ON  
SUNDAY.  
 
AFOREMENTIONED SHORTWAVE TROF INDUCES CYCLOGENESIS AND INCREASING  
WINDS ON MONDAY. DOWNSLOPING WINDS OVER MUCH OF THE AREA  
EXPECTED TO BOOST TEMPERATURES INTO THE LOWER- TO MID-60S OVER  
MOST SECTIONS. STRONGER WINDS EXPECTED ON TUESDAY, FOLLOWING  
PASSAGE OF COLD FRONT LATE MONDAY. NORTH WINDS OF 15 TO 25 MPH  
CURRENTLY FORECAST FOR TUESDAY, WITH HIGHS SLIGHTLY BELOW NORMAL,  
MAINLY IN THE UPPER-40S. LOW CHANCES FOR LIGHT PRECIPITATION ARE  
IN THE FORECAST BEGINNING LATE MONDAY NIGHT IN NORTHWEST AND  
NORTHEAST SECTIONS. CHANCES SPREAD TO ALL PARTS OF THE TEXAS AND  
OKLAHOMA PANHANDLES BY TUESDAY AFTERNOON AND TUESDAY NIGHT.  
LIGHT SNOW WILL BE POSSIBLE DURING THE COOLER NIGHT TIME AND  
MORNING HOURS.  
 
COCKRELL  
 

 
   
AMA WATCHES/WARNINGS/ADVISORIES
 
 
TX...NONE.  
OK...NONE.  
 

 
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page
The Nexlab OK Page Main Text Page