082
FXUS64 KSHV 120423
AFDSHV
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1123 PM CDT TUE AUG 11 2026
..NEW DISCUSSION
KEY MESSAGES
ISSUED AT 1120 PM CDT TUE AUG 11 2026
- A HEAT ADVISORY REMAINS IN EFFECT FOR THE ENTIRE AREA THROUGH
FRIDAY EVENING.
- UPPER-RIDGE WILL MAINTAIN DRY CONDITIONS ACROSS THE REGION.
- HOT AND DRY CONDITIONS WILL CONTINUE TO HAVE IMPACT OUR DROUGHT
CONDITIONS AND INCREASE ONGOING FIRE WEATHER CONCERNS.
DISCUSSION
ISSUED AT 1120 PM CDT TUE AUG 11 2026
OVERALL SYNOPTIC PATTERN WILL REMAIN FAIRLY STAGNANT THROUGH AT
LEAST MIDWEEK NEXT WEEK. AN UPPER-LEVEL RIDGE CENTERED ACROSS THE
NORTH-EASTERN GULF WILL GRADUALLY BUILD NORTHWEST, BECOMING
CENTERED ACROSS THE ARKLATEX BY FRIDAY EVENING. THIS UPPER-RIDGE
WILL REMAIN ANCHORED ACROSS THE REGION THROUGH WEEKEND INTO EARLY
NEXT WEEK. SUBSIDENCE ASSOCIATED WITH THE RIDGE WILL DRIVE DAYTIME
TEMPERATURES INTO THE UPPER 90S THROUGH THE END OF THE WORKWEEK,
AND INTO THE TRIPLE DIGITS ACROSS MANY LOCATIONS DURING THE
WEEKEND INTO NEXT WEEK. WITH INCREASED LOW-LEVEL MOISTURE ACROSS
THE REGION, AFTERNOON HEAT INDEX VALUES WILL RANGE FROM 105 TO 110
DEGREES EACH AFTERNOON THROUGH FRIDAY. THUS, A HEAT ADVISORY
REMAINS IN PLACE ACROSS THE ENTIRETY OF THE ARKLATEX THROUGH
FRIDAY WITH EXTENSIONS EXPECTED THEREAFTER.
A SURFACE HIGH ACROSS THE GULF OF AMERICA WILL CONTINUE TO
MAINTAIN SOUTHWEST WINDS ACROSS THE REGION TROUGH THE FORECAST
PERIOD. THE COMBINATION OF THE HEAT, LOWER AFTERNOON RELATIVE
HUMIDITY VALUES DUE TO ATMOSPHERIC MIXING, AND WIND SPEED VALUES
NEAR 10 MPH WILL INCREASE THE WILDFIRE THREAT ACROSS THE REGION.
OTHERWISE, RAIN CHANCES WILL BE VERY LIMITED EACH DAY AS SURFACE
AND UPPER-LEVEL HIGH PRESSURE PREVAIL ACROSS THE REGION. /05/
AVIATION
(00Z TAFS)
ISSUED AT 643 PM CDT TUE AUG 11 2026
FOR THE ARKLATEX, VFR THIS EVENING WITH JUST A FEW SPOTTY SHOWERS
ROAMING SW TO NE NEAR CADDO LAKE AND A COUPLE DOWN NEAR KJAS. SFC
WINDS ARE S/SW AND WE ARE SW ALOFT INTO FLIGHT LEVELS 10-30KT. WE
DID SEE SOME MVFR CIGS EARLY TODAY AND MODELS ARE HALF IN HALF
OUT ON A REPEAT, SO TO ERR ON THE LACK OF CHANGE WE'LL ROLL WITH
MORE MVFR 12-17Z WITH A RUBBER STAMP ON A 10% CHANCE FOR ANY
CONVECTION. THE UPPER LEVEL RIDGE HAS MOVED IN OVERHEAD AND WILL
CONTINUE TO SUPPRESS CONVECTION THROUGH THE COMING WEEKEND. /24/
SPOTTER INFORMATION STATEMENT
ISSUED AT 1120 PM CDT TUE AUG 11 2026
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
PRELIMINARY POINT TEMPS/POPS
SHV 77 98 78 98 / 10 0 0 0
MLU 77 99 78 99 / 0 0 0 0
DEQ 74 97 75 98 / 0 0 0 0
TXK 77 97 78 98 / 0 0 0 0
ELD 76 97 77 97 / 0 0 0 0
TYR 76 98 76 98 / 0 0 0 0
GGG 75 99 75 99 / 10 0 0 0
LFK 74 97 75 97 / 20 0 0 0
SHV WATCHES/WARNINGS/ADVISORIES
AR...HEAT ADVISORY UNTIL 8 PM CDT FRIDAY FOR ARZ050-051-059>061-
070>073.
LA...HEAT ADVISORY UNTIL 8 PM CDT FRIDAY FOR LAZ001>006-010>014-
017>022.
OK...HEAT ADVISORY UNTIL 8 PM CDT FRIDAY FOR OKZ077.
TX...HEAT ADVISORY UNTIL 8 PM CDT FRIDAY FOR TXZ096-097-108>112-
124>126-136>138-149>153-165>167.
DISCUSSION...05
AVIATION...24
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