426  
FXUS64 KTSA 021110  
AFDTSA  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE TULSA OK  
610 AM CDT FRI JUN 2 2023  
   
..NEW AVIATION
 
 
   
SHORT TERM
 
 
(TODAY)  
ISSUED AT 214 AM CDT FRI JUN 2 2023  
 
A BROAD AREA OF NEGATIVE UPPER LEVEL HEIGHT ANOMALIES IS PRESENT  
ACROSS THE SOUTHERN UNITED STATES, WITH ONE UPPER LEVEL LOW ACROSS  
THE DESERT SOUTHWEST AND ANOTHER OVER FLORIDA. A WEAK RIDGE AXIS IS  
PRESENT NEAR THE OK/AR BORDER, WITH AN ANOMALOUS UPPER LEVEL RIDGE  
CENTERED IN SOUTHEAST CANADA. IN THE SHORT TERM, THE BEST FORCING  
AND MOISTURE CONTINUES TO REMAIN WEST OF THE AREA CLOSER TO THE  
UPPER LEVEL LOW, SO THE MAJORITY OF SHOWER AND THUNDERSTORM ACTIVITY  
WILL ALSO REMAIN WEST OF THE AREA. HOWEVER, BY AFTERNOON THE UPPER  
LEVEL LOW WILL BE CLOSE ENOUGH TO KICK OFF A FEW STORMS, ESPECIALLY  
ACROSS CENTRAL OK. SEVERE WEATHER AND FLASH FLOODING ARE NOT  
EXPECTED, WITH RAIN CHANCES NO HIGHER THAN ABOUT 20-30% FOR ANY  
GIVEN AREA. OTHERWISE, EXPECT HIGHS IN THE MID TO UPPER 80S WITH DEW  
POINTS IN THE 60S.  
 

 
   
LONG TERM
 
 
(TONIGHT THROUGH THURSDAY)  
ISSUED AT 214 AM CDT FRI JUN 2 2023  
 
SHOWER AND THUNDERSTORM CHANCES CONTINUE OVERNIGHT, REALLY RAMPING  
UP DURING THE DAY SATURDAY AS THE UPPER LEVEL LOW AND BETTER FORCING  
MOVE INTO THE AREA. POPS PEAK AT AROUND 70% FOR MUCH OF THE AREA  
DURING THIS PERIOD. ALTHOUGH THUNDERSTORMS ARE LIKELY, SEVERE  
WEATHER AND FLASH FLOODING SHOULD REMAIN ISOLATED WITH MOSTLY  
BENEFICIAL RAINFALL OCCURRING.  
 
FLOW THROUGH THE ATMOSPHERE WILL SHIFT FROM SOUTHEAST TO NORTHEAST  
SATURDAY THROUGH SUNDAY AS THE STRONG UPPER LEVEL HIGH RECENTERS  
OVER THE NORTHERN PLAINS. ACCORDINGLY, A SHORT TERM REDUCTION IN  
HUMIDNESS IS ANTICIPATED AS SOMEWHAT DRIER AIR FILTERS IN FROM THE  
NORTHEAST WITH RAIN CHANCES DIMINISHING AS WELL. TEMPERATURES  
WILL SLOWLY RECOVER HEADING INTO EARLY NEXT WEEK, BUT THE FLOW  
PATTERN SHOULD KEEP TEMPERATURES FROM GETTING TOO OUT OF LINE WITH  
HIGHS IN THE MID 80S TO NEAR 90 MOST DAYS. LOW LEVEL MOISTURE  
WILL ALSO SLOWLY INCREASE AS IT ROTATES AROUND THE HIGH AND POOLS  
OVER THE AREA WITH TIME.  
 
THE NEXT CHANCE FOR RAIN WILL COME NEXT WEDNESDAY OR THURSDAY AS A  
COLD FRONT APPROACHES THE AREA FROM THE NORTHEAST WITH A  
CORRESPONDING SURGE IN PWAT VALUES. ENSEMBLE GUIDANCE IS  
INCONSISTENT AS TO THE PROGRESSION OF THIS FRONT, BUT IF IT REMAINS  
NORTH OF THE AREA WE CAN EXPECT A CONTINUATION OF WARM AND HUMID  
WEATHER. IF IT DOES REACH THE AREA AN INCREASE IN RAIN CHANCES  
FOLLOWED BY SOME COOLER AND DRIER DAYS WOULD RESULT.  
 

 
   
AVIATION
 
 
(12Z TAFS)  
ISSUED AT 609 AM CDT FRI JUN 2 2023  
 
MAINLY VFR CONDITIONS WILL PREVAIL THROUGH THE FORECAST PERIOD.  
ISOLATED THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON AND  
EVENING, BUT THE CHANCES ARE TOO LOW TO INCLUDE IN THE TAF'S AT  
THIS TIME.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
TUL 89 68 85 64 / 20 30 70 20  
FSM 91 68 89 65 / 10 20 60 10  
MLC 89 66 84 62 / 10 30 70 20  
BVO 88 63 85 60 / 20 30 80 30  
FYV 87 63 86 59 / 20 20 60 10  
BYV 87 64 88 61 / 30 20 40 10  
MKO 88 67 85 63 / 10 30 70 20  
MIO 87 66 86 62 / 20 20 60 10  
F10 87 66 82 63 / 10 30 70 20  
HHW 88 68 85 64 / 10 20 60 20  
 

 
   
TSA WATCHES/WARNINGS/ADVISORIES
 
 
OK...NONE.  
AR...NONE.  

 
 

 
 
SHORT TERM...06  
LONG TERM....06  
AVIATION...05  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab OK Page
The Nexlab AR Page Main Text Page