879  
FXUS64 KOUN 071855  
AFDOUN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE NORMAN OK  
155 PM CDT TUE JUL 7 2020  
   
..NEW LONG TERM
 
 
   
SHORT TERM
 
 
(THIS EVENING THROUGH WEDNESDAY)  
ISSUED AT 116 PM CDT TUE JUL 7 2020  
 
THE DAYS-OLD WEAK CIRCULATION, NOW OVER NORTHEASTERN TX, WILL  
AGAIN PROVIDE OPPORTUNITY FOR SCATTERED SHOWERS AND THUNDERSTORMS  
IN SOUTHEASTERN OK TODAY. AS THE UPPER RIDGE BUILDS INTO OK FROM  
THE WEST ON WEDNESDAY, THIS AREA OF SHOWERS/STORMS WILL BE PUSHED  
FARTHER EAST.  
 

 
   
LONG TERM
 
 
(WEDNESDAY NIGHT THROUGH NEXT MONDAY)  
ISSUED AT 155 PM CDT TUE JUL 7 2020  
 
THE MAIN IMPACT IN THE EXTENDED WILL BE HEAT. LOW THUNDERSTORM  
CHANCES SHOULD BE CONFINED TO THE NORTHEAST THIRD OF THE AREA  
THURSDAY NIGHT AND AGAIN POSSIBLY SUNDAY. NO SIGNIFICANT CHANGES  
WERE MADE TO THE FORECAST.  
 
CONVECTION SPAWN BY TRANSIENT CENTRAL PLAINS SHORTWAVE THURSDAY  
SHOULD PROPAGATE MAINLY EAST OF THE AREA GIVEN LOW-LEVEL FLOW  
ORIENTATION. THE WESTERN FLANK MAY IMPACT NORTH-CENTRAL OKLAHOMA  
DOWN THROUGH OUR EAST-CENTRAL COUNTIES THROUGH FRIDAY MORNING. IT'S  
WESTERN EXTENT SHOULD BE LIMITED BY HOT/DRY SOUTHWESTERLY FLOW AND  
RESULTANT CAPPING.  
 
THEREAFTER, RIDGING BUILDS AND PERIPHERAL MCS ACTIVITY SHOULD BE  
RELEGATED TO EAST OF OUR AREA. ONE EXCEPTION MAY BE SATURDAY NIGHT  
AS A NOTEWORTHY SHORTWAVE TROUGH FROM THE GREAT LAKES THROUGH THE  
OZARKS RESULTS IN CONVECTION THAT COULD CLIP OUR EASTERN COUNTIES.  
 
MIDLEVEL TEMPERATURES BECOME QUITE WARM WITH ANOMALOUS 500-MB  
HEIGHTS THURSDAY ONWARD. THIS WILL SUPPORT WIDESPREAD NEAR  
100F/100F+ TEMPERATURES, PEAKING SATURDAY AND PUSHING 110F IN THE  
WEST. HIGHER HEAT INDICES WILL AGAIN PUSH US INTO A PERIOD OF  
DANGEROUS HEAT. MINOR RELIEF MAY COME SUNDAY BEHIND A WEAK COLD  
FRONT/COMPOSITE OUTFLOW, THOUGH MAGNITUDE OF THE RELIEF WILL BE  
DICTATED BY AFOREMENTIONED SHORTWAVE AMPLIFICATION AND/OR DETAILS ON  
EXPANSIVENESS AND WESTWARD EXTENT OF CONVECTION.  
 
HOT TEMPERATURES WILL DRIVE RH TO PARTICULARLY LOW LEVELS,  
ESPECIALLY ACROSS WESTERN OKLAHOMA. ELEVATED FIRE WEATHER CONDITIONS  
ARE POSSIBLE, SATURDAY, AND AGAIN EARLY NEXT WEEK.  
 
BRB  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 116 PM CDT TUE JUL 7 2020  
 
MVFR CEILINGS WILL PERSIST MUCH OF THE AFTERNOON IN CENTRAL AND  
SOUTHWESTERN OK AND ADJACENT PARTS OF NORTHERN TX. WINDS WILL  
REMAIN EAST OR SOUTHEAST MAINLY UNDER 12KTS. VFR CONDITIONS ARE  
EXPECTED IN NORTHERN OK FOR THE PERIOD.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
OKLAHOMA CITY OK 89 72 93 76 / 0 0 0 0  
HOBART OK 91 71 98 77 / 0 0 0 0  
WICHITA FALLS TX 88 72 96 77 / 10 0 0 0  
GAGE OK 92 70 99 75 / 0 0 0 10  
PONCA CITY OK 92 71 94 76 / 0 0 0 0  
DURANT OK 87 72 91 75 / 30 20 10 0  
 

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

 
 

 
 
SHORT TERM...09  
LONG TERM....12  
AVIATION...09  
 
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