212
FXUS64 KJAN 011124 AAA
AFDJAN
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
624 AM CDT WED JUL 1 2026
..NEW AVIATION
KEY MESSAGES
- DANGEROUS HEAT STRESS THIS WEEK, WITH AFTERNOON HEAT INDEX
VALUES GENERALLY BETWEEN 105F-110F.
- DANGEROUSLY HOT CONDITIONS TODAY WITH PROLONGED HEAT STRESS
POSSIBLE. HEAT INDICES 110+ POSSIBLE.
- MARGINAL RISK (1 OUT OF 5) FOR ISOLATED SEVERE STORMS ACROSS THE
AREA TODAY.
DISCUSSION
ISSUED AT 301 AM CDT WED JUL 1 2026
WEDNESDAY THROUGH NEXT TUESDAY:
HIGH PRESSURE CONTINUES TO ENCOMPASS THE SOUTHEAST CONUS, PROVIDING
ONGOING DANGEROUS HEAT OVER THE REGION. PERSISTENT HIGHS RANGING IN
THE MID-UPPER 90S, COMBINED WITH MID 70 DEWPOINTS WILL RESULT IN
HEAT INDICES BETWEEN 110-115 DEGREES IN THE MS DELTA/PORTIONS OF
CENTRAL MS AREAS AND HEAT INDICES UP TO 110 DEGREES OUTSIDE OF THOSE
AREAS. AN EXTREME HEAT WARNING WILL GO IN EFFECT AT 10AM IN AREAS
WITH HEAT INDICES 110+ AND A HEAT ADVISORY WILL REMAIN IN EFFECT
ELSEWHERE. HEAT PRECAUTIONS SHOULD BE CONSIDERED, ESPECIALLY WITH
LONG-TERM OUTDOOR EXPOSURE. A WEAK DISTURBANCE WILL PROGRESS OVER
THE AREA, PROVIDING ISOLATED SHOWER/STORM CHANCES THROUGH THE
EVENING. WITH AN UNSTABLE AIRMASS PRESENT, A MARGINAL (1 OUT OF 5)
RISK FOR SEVERE WEATHER WILL BE POSSIBLE DURING THE AFTERNOON AND
EVENING HOURS.
HIGH PRESSURE WILL GRADUALLY SLIDE NORTHEASTWARD THURSDAY, KEEPING
AFTERNOON RAIN CHANCES AND DANGEROUS HEAT OVER THE AREA. EXTENSIONS
OF THE HEAT PRODUCTS WILL BE EVALUATED ON A DAY TO DAY BASIS. HOT
CONDITIONS WILL CONTINUE INTO THE 4TH OF JULY WEEKEND. A COUPLE OF
DISTURBANCES MAY PROVIDE DIURNAL SHOWERS AND STORMS OVER THE HOLIDAY
AND SUNDAY. DANGEROUS HEAT ALONG WITH RAIN CHANCES WILL PERSIST INTO
NEXT WEEK. /SW/
AVIATION
(12Z TAFS)
ISSUED AT 624 AM CDT WED JUL 1 2026
VFR FLIGHT CONDITIONS WITH EASTERLY WINDS NEAR 5 KTS WILL PREVAIL
THROUGH THE PERIOD. AN ISOLATED SHOWER/STORM WILL BE POSSIBLE THIS
AFTERNOON AND EVENING BUT IMPACTS AREN'T EXPECTED AT SITES. /SW/
PRELIMINARY POINT TEMPS/POPS
JACKSON 95 75 94 75 / 40 20 20 0
MERIDIAN 96 76 95 75 / 20 10 10 0
VICKSBURG 95 75 94 76 / 30 20 10 0
HATTIESBURG 95 75 95 75 / 30 20 10 10
NATCHEZ 95 75 94 75 / 50 50 10 0
GREENVILLE 96 76 95 76 / 20 10 20 10
GREENWOOD 99 76 97 76 / 40 20 10 10
JAN WATCHES/WARNINGS/ADVISORIES
MS...HEAT ADVISORY UNTIL 9 PM CDT THIS EVENING FOR MSZ026>033-037>039-
044>046-050>052-056>058-060>066-072>074.
HEAT ADVISORY UNTIL 10 AM CDT THIS MORNING FOR MSZ018-019-025-
034>036-040>043-047>049-053>055-059.
EXTREME HEAT WARNING FROM 10 AM THIS MORNING TO 9 PM CDT THIS
EVENING FOR MSZ018-019-025-034>036-040>043-047>049-053>055-
059.
LA...HEAT ADVISORY UNTIL 9 PM CDT THIS EVENING FOR LAZ007-008-015-023-
024-026.
HEAT ADVISORY UNTIL 10 AM CDT THIS MORNING FOR LAZ009-016-025.
EXTREME HEAT WARNING FROM 10 AM THIS MORNING TO 9 PM CDT THIS
EVENING FOR LAZ009-016-025.
AR...HEAT ADVISORY UNTIL 9 PM CDT THIS EVENING FOR ARZ074.
HEAT ADVISORY UNTIL 10 AM CDT THIS MORNING FOR ARZ075.
EXTREME HEAT WARNING FROM 10 AM THIS MORNING TO 9 PM CDT THIS
EVENING FOR ARZ075.
SW
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