598
FXUS64 KJAN 220526 AAA
AFDJAN
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1226 AM CDT TUE SEP 22 2026
..NEW AVIATION
KEY MESSAGES
- DANGEROUS LEVELS OF HEAT STRESS CONTINUE TO BE A CONCERN INTO
TUESDAY, BUT IT FINALLY SEEMS WE ARE SEEING THE END OF THE
DANGEROUS HEAT STRESS.
DISCUSSION
ISSUED AT 246 PM CDT MON SEP 21 2026
FOR THIS AFTERNOON, WE ARE MONITORING THE DEVELOPMENT OF A FEW
STRONG/SEVERE STORMS AHEAD OF THE COLD FRONT, AND THERE CONTINUES
TO BE A MARGINAL SEVERE RISK FOR DAMAGING WIND GUSTS DURING PEAK
HEATING OVER MUCH OF THE AREA. LOOKING AHEAD, IT DOES APPEAR WE
ARE NEARING THE END OF THE "DANGEROUS" HEAT REGIME IN THIS LONG
AND BRUTALLY HOT SUMMER OF 2026. TOMORROW WILL SEE THE MUCH
ANTICIPATED COLD FRONT PUSH THROUGH THE AREA, AND WHILE THE AIR
FOLLOWING THE FRONT WILL NOT BE COOL AND DRY ENOUGH TO REMIND US
OF FALL, IT WILL AT LEAST BRING CONDITIONS THAT ARE MORE TYPICAL
OF LATE SEPTEMBER.
FOR TUESDAY, WE COULD SEE PORTIONS OF EASTERN MS GET INTO THE
PICTURE FOR A MARGINAL RISK FOR SEVERE STORMS, BUT IT APPEARS MOST
OF THE ACTIVITY WILL STAY EAST OF US AND WILL HOLD OFF ON ANY
MESSAGING FOR NOW. LOOKING AHEAD FOR LATE THIS WEEK INTO NEXT
WEEKEND, AS MENTIONED, DRIER CONDITIONS CAN BE EXPECTED WITH "LESS
HOT" TEMPERATURES. OVERALL, WEATHER IMPACTS WILL MOSTLY BE TIED
TO EARLY WEEK HEAT AND CONVECTIVE POTENTIAL. /EC/
AVIATION
(06Z TAFS)
ISSUED AT 1225 AM CDT TUE SEP 22 2026
VFR FLIGHT CATEGORIES WILL PREVAIL AT AREA TAF OVER THE NEXT 24
HOURS. ISOLATED CONVECTION WILL BE POSSIBLE THROUGH THE PERIOD,
PARTICULARLY THIS AFTERNOON AS A FRONTAL BOUNDARY SINKS SOUTHEAST
THROUGH THE REGION. THIS COULD RESULT IN A BRIEF PERIOD OF
MVFR/IFR CEILINGS AND/OR VISIBILITIES IF OBSERVED WITHIN A SITE'S
RESPECTED AERODROME. WINDS OVERNIGHT WILL EVENTUALLY BECOME CALM.
THESE WILL THEN BECOME NORTHERLY IN THE FRONT'S WAKE, AND
SUSTAINED BETWEEN 5-8 KNOTS DURING THE LATE MORNING AND AFTERNOON
HOURS. /19/
PRELIMINARY POINT TEMPS/POPS
JACKSON 95 70 93 66 / 10 10 0 0
MERIDIAN 94 70 93 66 / 20 10 0 0
VICKSBURG 95 71 93 66 / 20 10 0 0
HATTIESBURG 95 71 94 69 / 20 10 0 0
NATCHEZ 96 71 94 68 / 10 20 0 0
GREENVILLE 96 69 92 63 / 0 0 0 0
GREENWOOD 95 68 92 63 / 10 0 0 0
JAN WATCHES/WARNINGS/ADVISORIES
MS...NONE.
LA...NONE.
AR...NONE.
19
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