801
FXUS64 KJAN 020712
AFDJAN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
212 AM CDT WED SEP 2 2026
..NEW DISCUSSION, AVIATION
KEY MESSAGES
- DANGEROUS HEAT STRESS WILL PERSIST ACROSS THE FORECAST AREA THIS
WEEK.
- POTENTIAL FOR THUNDERSTORMS AND HEAVY RAIN WILL INCREASE LATER
THIS WEEK.
DISCUSSION
ISSUED AT 211 AM CDT WED SEP 2 2026
THROUGH EARLY NEXT WEEK...
RIDGE DOMINANCE WILL MAINTAIN A SUMMER REGIME THROUGH THE PERIOD
WHICH WILL CONTINUE TO SUPPORT HEAT ADVISORY CRITERIA THIS WEEK. AN
AREAWIDE HEAT ADVISORY IS IN EFFECT TODAY THROUGH 7 PM. HEAT
ADVISORIES WILL LIKELY BE NEEDED THROUGHOUT THE REST OF THE WEEK AS
WELL, BUT WITH CONVECTION FORECAST, THIS WILL HAVE TO BE ASSESSED
DAY TO DAY. A PLUME OF RICH MOISTURE ASSOCIATED WITH A DISTURBANCE
ROUNDING THE SOUTHERN FLANK OF THE RIDGE FROM THE EAST WILL PROVIDE
AN ENVIRONMENT FOR EFFICIENT RAINFALL, SO LOCALIZED FLASH FLOODING
CANNOT BE RULED OUT WITHIN ANY CONVECTIVE STORMS. THE BIGGEST
OPPORTUNITY FOR HEAVY RAINFALL LOOKS TO BE FRIDAY WHERE VECTORS
FAVOR SLOW STORM MOTIONS AND BACKBUILDING. THE COVERAGE OF
CONVECTION HOWEVER IS A LITTLE UNCERTAIN. GIVEN THE ENVIRONMENT,
HAVE DECIDED TO INTRODUCE A LIMITED HAZARD GRAPHIC AT THIS TIME.
RAIN CHANCES WILL CONTINUE AS THE RIDGE WEAKENS INTO THE WEEKEND
INTO EARLY NEXT WEEK. THIS SHOULD PROVIDE RELIEF FROM THE HEAT.
/SAS/
AVIATION
(06Z TAFS)
ISSUED AT 211 AM CDT WED SEP 2 2026
VFR CONDITIONS AND SOUTHERLY WINDS GENERALLY LESS THAN 10 KTS SHOULD
PREVAIL AT THE TAF SITES THROUGH THE PERIOD. /NF/
PRELIMINARY POINT TEMPS/POPS
JACKSON 97 74 97 74 / 10 0 20 10
MERIDIAN 99 75 99 74 / 10 0 10 10
VICKSBURG 95 74 95 73 / 0 0 10 10
HATTIESBURG 96 74 96 74 / 10 10 30 20
NATCHEZ 96 73 96 74 / 10 0 20 10
GREENVILLE 97 76 97 75 / 0 0 10 0
GREENWOOD 97 75 98 74 / 10 0 30 0
JAN WATCHES/WARNINGS/ADVISORIES
MS...HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR
MSZ018-019-025>066-072>074.
LA...HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR
LAZ007>009-015-016-023>026.
AR...HEAT ADVISORY FROM NOON TODAY TO 7 PM CDT THIS EVENING FOR
ARZ074-075.
SAS20/SAS20/NF
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