417
FXUS64 KSHV 081152
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
652 AM CDT TUE SEP 8 2026
..NEW AVIATION
KEY MESSAGES
ISSUED AT 1244 AM CDT TUE SEP 8 2026
- PERSISTENT HAZARDOUS HEAT CONTINUE WITH A WIDESPREAD HEAT
ADVISORY THROUGH TUESDAY EVENING.
- SCATTERED, DIURNALLY DRIVEN SHOWERS AND THUNDERSTORMS WILL
REMAIN A DAILY FIXTURE THROUGH THE WEEK.
- THERE REMAINS SOME INDICATION THAT THE PATTERN COULD CHANGE
TOWARDS THE END OF THE WEEK, WILL IT BRING SOME "COOLER" TEMPS?
DISCUSSION
ISSUED AT 1244 AM CDT TUE SEP 8 2026
THE SYNOPTIC ENVIRONMENT REMAINS FIRMLY DOMINATED BY A BROAD
UPPER-LEVEL RIDGE THAT IS CENTERED OVER THE SOUTHERN GREAT PLAINS,
MAINTAINING ITS PREVAILING INFLUENCE ACROSS THE FOUR STATE REGION.
WITHIN THE EASTERLY AND SOUTHEASTERLY FLOW AROUND THE PERIPHERY OF
THIS RIDGE, SUBTLE MID-LEVEL PERTURBATIONS WILL CONTINUE TO
TRIGGER DAILY, DIURNALLY DRIVEN CONVECTION. THROUGH TODAY, THIS
ACTIVITY WILL LARGELY FOCUS ALONG A WEAK, LINGERING SURFACE
BOUNDARY DRAPED ACROSS THE AREA. BY MID-WEEK, THIS BOUNDARY IS
FORECAST TO RETREAT MORE NORTHWARD AS A WARM FRONT, INTRODUCING A
TRANSIENT WEDGE OF DRIER AIR AND A MORE SUPPRESSED ATMOSPHERIC
PROFILE FOR WEDNESDAY. HOWEVER, THIS LULL IN CONVECTIVE ACTIVITY
WILL BE BRIEF. A RENEWED SURGE OF ATMOSPHERIC MOISTURE AND
VORTICITY WILL POOL AHEAD OF AN APPROACHING FRONTAL BOUNDARY BY
THURSDAY, REINVIGORATING SCATTERED SHOWER AND THUNDERSTORM
DEVELOPMENT ACROSS THE REGION.
LOOKING TOWARD THE LATE WEEK AND INTO THE WEEKEND, LONG-RANGE
GLOBAL GUIDANCE CONTINUES TO HIGHLIGHT THE SMALL POTENTIAL FOR A
WELCOMED PATTERN SHIFT. THE PERSISTENT AND OPPRESSIVE RIDGE IS
EXPECTED TO FINALLY BEGIN BREAKING DOWN, BIFURCATED BY EXPANDING
NORTHERN-STREAM TROUGHING. AS THIS TROUGH DEEPENS, IT WILL DRIVE
A MORE ROBUST COOL FRONT INTO THE REGION LATER IN THE WEEKEND.
THIS EVOLUTION WILL NOT ONLY YIELD MORE WIDESPREAD PRECIPITATION
CHANCES BUT COULD ALSO USHER IN SOME THERMAL RELIEF. NOW, IT WILL
NOT BE COLD BY ANY MEANS, AND ACTUALLY WILL STILL BE HOT, BUT I
DON'T THINK IT WILL BE AS HOT. /33/
AVIATION
(12Z TAFS)
ISSUED AT 639 AM CDT TUE SEP 8 2026
FOR THE ARKLATEX TERMINALS, LIGHT S/SE WIND OR CALM IN MANY
LOCALES STILL AND UNDER FAIR SKIES. S/SE WINDS PREVAIL 5-10KT FOR
TODAY WITH ANOTHER HOT SUMMER DAY ON TAP. SOME MORE CONVECTION
LATE DAY IS HARD TO PIN POINT WITH VCTS IN AT SEVERAL SITES UNTIL
AROUND 00Z. LITTLE CHANGE IN THIS PATTERN FOR THE SHORT WEEK
AHEAD, BUT AN UPTICK IN CONVECTION IS EXPECTED BY FRIDAY AS WEAK
COOL FRONT POOLS ALL THE MOISTURE OVER OUR AREA FOR A FEW DAYS
THROUGH NEXT WEEKEND. /24/
SPOTTER INFORMATION STATEMENT
ISSUED AT 1244 AM CDT TUE SEP 8 2026
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
PRELIMINARY POINT TEMPS/POPS
SHV 98 76 96 76 / 20 10 10 0
MLU 99 75 97 74 / 30 10 0 0
DEQ 101 72 98 71 / 20 0 10 0
TXK 100 76 97 75 / 20 0 10 0
ELD 101 73 97 73 / 20 0 10 0
TYR 99 76 97 75 / 20 20 0 0
GGG 100 75 98 74 / 20 10 0 0
LFK 95 74 92 73 / 30 10 10 0
SHV WATCHES/WARNINGS/ADVISORIES
AR...HEAT ADVISORY FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING
FOR ARZ050-051-059>061-070>073.
LA...HEAT ADVISORY FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING
FOR LAZ001>006-010>014-017>022.
OK...HEAT ADVISORY FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING
FOR OKZ077.
TX...HEAT ADVISORY FROM 10 AM THIS MORNING TO 7 PM CDT THIS EVENING
FOR TXZ096-097-108>112-124>126-136>138-149>153-165>167.
DISCUSSION...33
AVIATION...24
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page