692
FXUS64 KSHV 081711
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1211 PM 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
(18Z TAFS)
ISSUED AT 1208 PM CDT TUE SEP 8 2026
OUTSIDE OF VCTS CONDITIONS POSSIBLE FROM 08/20Z-09/00Z ACROSS
AREA TERMINALS, VFR CONDITIONS TO PREVAIL TROUGH THE FORECAST
PERIOD ENDING 09/18Z. SOUTHEAST WINDS UP TO 8 KNOTS THIS AFTERNOON
TO BECOME 5 KNOTS OR LESS OVERNIGHT. OTHERWISE, SOUTHERLY WINDS TO
INCREASE TO AROUND 6 KNOTS ON WEDNESDAY.
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 76 96 76 96 / 10 10 0 10
MLU 75 97 74 96 / 10 0 0 20
DEQ 72 98 71 97 / 0 10 0 30
TXK 76 97 75 97 / 0 10 0 20
ELD 73 97 73 97 / 0 10 0 10
TYR 76 97 75 96 / 20 0 0 10
GGG 75 98 74 98 / 10 0 0 10
LFK 74 92 73 91 / 10 10 0 30
SHV WATCHES/WARNINGS/ADVISORIES
AR...HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR ARZ050-051-059>061-
070>073.
LA...HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR LAZ001>006-010>014-
017>022.
OK...HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR OKZ077.
TX...HEAT ADVISORY UNTIL 7 PM CDT THIS EVENING FOR TXZ096-097-108>112-
124>126-136>138-149>153-165>167.
DISCUSSION...33
AVIATION...05
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