637
FXUS64 KSHV 271738
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1238 PM CDT THU AUG 27 2026
..NEW AVIATION
KEY MESSAGES
ISSUED AT 1134 AM CDT THU AUG 27 2026
- A FEW SHOWERS AND THUNDERSTORM POSSIBLE SOUTH OF I-20 TODAY.
- SLIGHTLY COOLER TEMPERATURES WILL LINGER OVER THE REGION FOR THE
NEXT COUPLE OF DAYS WITH NO HEAT HEADLINES.
DISCUSSION
ISSUED AT 1144 AM CDT THU AUG 27 2026
SURFACE HIGH PRESSURE CENTERED ACROSS THE GREAT LAKES INTO THE
MID-MISSISSIPPI RIVER VALLEY WILL BRING LIGHT NORTHEAST WINDS, DRIER
DEWPOINTS, AND SLIGHTLY COOLER TEMPERATURES TO THE ARKLATEX OVER
THE NEXT COUPLE OF DAYS. A FEW SHOWERS AND ISOLATED THUNDERSTORMS
MAY BE POSSIBLE THIS AFTERNOON ALONG A WEAK SURFACE BOUNDARY
ACROSS DEEP EAST TEXAS INTO WEST CENTRAL LOUISIANA.
SOUTHEAST WINDS TO RETURN LATE IN THE WEEKEND ALLOWING FOR
INCREASED RELATIVE HUMIDITY VALUES ACROSS THE REGION ALONG WITH
TEMPERATURES CLIMBING BACK UP TO NEAR TRIPLE DIGITS ACROSS MAINLY EAST
AND NORTHEAST TEXAS BY SUNDAY.
UPPER-LEVEL RIDGE ACROSS THE FOUR CORNERS REGION TO BUILD EAST ON
SUNDAY. HOWEVER, A WESTWARD MOVING INVERTED UPPER-TROUGH ACROSS
THE NORTHERN GULF WILL FOR NUDGE THE HIGH NORTH OF THE REGION INTO
THE MIDWEST BEFORE WEDGING IT EASTWARD INTO THE APPALACHIANS BY
MONDAY MORNING. UNDER THE INFLUENCE OF THE UPPER TROUGH, COULD
SEE ENHANCED SEABREEZE CONVECTION SOUTH OF I-20 EACH DAY THROUGH
THE END OF THE FORECAST PERIOD ON WEDNESDAY ALONG WITH SEASONAL
HIGH TEMPERATURES IN THE MID 90S. /05/
AVIATION
(18Z TAFS)
ISSUED AT 1235 PM CDT THU AUG 27 2026
FOR THE 27/18Z TAF UPDATE, MOSTLY VFR VIS/CIGS ARE EXPECTED WITH
SOME PATCHY MVFR/IFR EXCEPTIONS BY 28/06Z-15Z AS WINDS SLACKEN TO
CALM, ALLOWING SOME RADIATION FG/LOW CLOUD DEVELOPMENT. LIGHT
NORTHEASTERLY SURFACE WINDS WILL RETURN BY THE END OF THE PERIOD.
/16/
SPOTTER INFORMATION STATEMENT
ISSUED AT 1134 AM CDT THU AUG 27 2026
SPOTTER ACTIVATION SHOULD NOT BE NEEDED TODAY OR TONIGHT.
PRELIMINARY POINT TEMPS/POPS
SHV 73 96 73 96 / 10 10 0 0
MLU 72 93 70 94 / 10 10 0 0
DEQ 68 95 67 95 / 0 10 0 0
TXK 72 95 70 95 / 0 10 0 0
ELD 70 93 68 93 / 0 10 0 0
TYR 74 100 75 100 / 10 0 0 0
GGG 73 99 73 99 / 10 10 0 0
LFK 74 98 74 99 / 20 10 0 0
SHV WATCHES/WARNINGS/ADVISORIES
AR...NONE.
LA...NONE.
OK...NONE.
TX...NONE.
DISCUSSION...05
AVIATION...16
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