938
FXUS64 KJAN 031113 AAA
AFDJAN
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
613 AM CDT MON AUG 3 2026
..NEW AVIATION
KEY MESSAGES
- LESS HUMID CONDITIONS BEGIN THE WEEK, BUT HEAT STRESS RETURNS
LATE WEEK.
DISCUSSION
ISSUED AT 235 AM CDT MON AUG 3 2026
TODAY THROUGH SUNDAY...TROUGHING WILL SLOWLY ADVANCE EAST ACROSS THE
DEEP SOUTH WHILE GRADUALLY WEAKENING THROUGH MID-WEEK. THIS WILL
ALLOW HIGH PRESSURE ALOFT TO STRENGTHEN ACROSS THE LOWER MISSISSIPPI
RIVER VALLEY DURING THE MID AND LATTER PORTION OF THE FORECAST
PERIOD. AS A RESULT, THE WEATHER ACROSS THE FORECAST AREA WILL
REMAIN RATHER QUIET, WITH RAIN CHANCES COMING IN THE FORM OF
DIURNALLY DRIVEN ISOLATED SHOWERS AND STORMS, MAINLY LATE IN THE
WEEK AND INTO THE UPCOMING WEEKEND.
AS FAR AS IMPACTFUL WEATHER DURING THE FORECAST PERIOD, THIS WILL
AGAIN COME IN THE FORM OF INCREASING HEAT STRESS, MAINLY FROM
THURSDAY THROUGH SUNDAY. THE SLIGHTLY DRIER AIR CURRENTLY RESIDING
ACROSS THE CWA WAS BEEN A NICE AND WELCOMED RELIEF FROM THE
OPPRESSIVELY HUMID CONDITIONS OVER THE PAST WEEK. UNFORTUNATELY
THROUGH THE WEEK, MOISTURE WILL GRADUALLY INCREASE AS DEW POINTS
CLIMB BACK WELL INTO THE 70S AREAWIDE HEADING INTO THE WEEKEND.
THIS, AS HIGH TEMPERATURES CLIMB BACK INTO AT LEAST THE MIDDLE 90S,
WILL YIELD AFTERNOON HEAT INDEX VALUES APPROACHING LEVELS WHERE
MULTIPLE DAYS OF PERHAPS A "HEAT ADVISORY" WILL NEED TO BE HOISTED
FOR PORTIONS OF, IF NOT ALL OF, THE FORECAST AREA DURING THE
THURSDAY THROUGH SUNDAY TIMEFRAME. THIS WILL CONTINUE TO BE
MONITORED IN FUTURE FORECASTS. /19/
AVIATION
(12Z TAFS)
ISSUED AT 612 AM CDT MON AUG 3 2026
WITH SOME PATCHY GROUND FOG AND LOW STRATUS ACROSS AREAS MAINLY
ALONG AND EAST OF THE INTERSTATE 55 CORRIDOR, A MIX OF VFR/MVFR
FLIGHT CATEGORIES ARE CURRENTLY BEING OBSERVED AT TAF SITES ACROSS
THE AREA THIS MORNING. WHILE PATCHY FOG WILL QUICKLY ERODE AFTER
SUNRISE, STRATUS WILL HANG AROUND OVER MAINLY EAST MISSISSIPPI
INTO THE AFTERNOON HOURS. STILL, CEILINGS WILL IMPROVE THROUGH THE
MORNING, WITH VFR FLIGHT CATEGORIES FORECAST AREAWIDE FROM LATE
MORNING INTO TONIGHT. WINDS TODAY WILL HAVE A NORTHERLY COMPONENT,
AND SUSTAINED BETWEEN 5-8 KNOTS. /19/
PRELIMINARY POINT TEMPS/POPS
JACKSON 91 71 94 71 / 0 0 0 0
MERIDIAN 89 70 92 71 / 10 0 0 0
VICKSBURG 92 71 94 71 / 0 0 0 0
HATTIESBURG 91 72 95 72 / 0 0 0 0
NATCHEZ 94 71 96 72 / 0 0 10 0
GREENVILLE 91 69 94 70 / 0 0 0 0
GREENWOOD 91 69 93 70 / 0 0 0 0
JAN WATCHES/WARNINGS/ADVISORIES
MS...NONE.
LA...NONE.
AR...NONE.
19
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