961  
FXUS64 KJAN 110524 AAA  
AFDJAN  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE JACKSON MS  
1224 AM CDT MON AUG 11 2025  
   
..NEW AVIATION  
 
   
MESOSCALE UPDATE  
 
ISSUED AT 826 PM CDT SUN AUG 10 2025  
 
REST OF TONIGHT...SOME ISOLATED CONVECTION WILL REMAIN POSSIBLE  
ACROSS SOUTHERN ZONES OVERNIGHT, AS MOISTURE SUBTLY CONTINUES TO  
INCREASE THERE OVERNIGHT. THE MAJORITY OF THE AREA WILL REMAIN DRY  
THOUGH, AS LOWS FALL INTO THE LOW TO MIDDLE 70S UNDER MOSTLY CLEAR  
SKIES DESPITE A FEW HIGH CLOUDS OVERHEAD. THEN TOWARD DAY BREAK  
MONDAY, SOME PATCHY STRATUS WILL BE POSSIBLE ACROSS MAINLY SOUTHERN  
PORTIONS OF THE AREA.  
 
THE ONGOING FORECAST IS IN GOOD SHAPE. OTHER THAN SOME MINOR  
ADJUSTMENTS TO HOURLY ELEMENTS OF THE FORECAST BASED ON TRENDS, NO  
MAJOR CHANGES WILL BE MADE ON THIS EVENING'S UPDATE. /19/  
 
 
   
DISCUSSION  
 
ISSUED AT 1244 PM CDT SUN AUG 10 2025  
 
THROUGH THE WEEKEND...  
 
WARMING TEMPERATURES ALONG WITH INCREASES IN HUMIDITY BOTH NEAR THE  
SURFACE AND THROUGH THE COLUMN WILL CONTINUE TO RESULT IN INCREASED  
HEAT STRESS CONCERNS AS WELL AS INCREASED RAIN CHANCES THROUGH THE  
WEEK. AS THE WESTERN GULF UPPER LOW CONTINUES TO WEAKEN AND SLIDE  
WEST AWAY, WE REMAIN UNDER THE INFLUENCE OF GENERAL DEEP LAYER  
RIDGING AND THAT WILL LIKELY BE THE CASE THROUGH THE NEXT WEEK. HEAT  
CONCERNS GROW FURTHER BY MIDWEEK INTO THE WEEKEND AND TWO SEPARATE  
OUTLOOKS FOR HEAT REMAIN IN PLACE, THE FIRST VALID THROUGH THE FIRST  
PART OF THE FORECAST PERIOD AND COVERING MUCH OF THE WESTERN PORTION  
OF THE ARE IN A "LIMITED" OUTLOOK WITH THE SECOND REACHING FURTHER  
EASTWARD AND INTRODUCING SOME POCKETS OF "ELEVATED" RISK. WHILE HEAT  
INDICES NEAR 105 F WILL BE MOST COMMON, THE AREAS OF HIGHLIGHTED  
HIGHER RISK COULD SEE MAXIMUM HEAT INDICES RISE IN TO THE 105-115 F  
RANGES. HEAT STRESS WILL LIKELY BE THE DOMINANT HAZARD CONCERN  
THROUGH THE PERIOD. HEAT PRODUCTS (ADVISORIES/WARNINGS) COULD BE  
NECESSARY LATER THIS WEEK.  
 
OTHERWISE, SCATTERED MOSTLY DIURNAL SHOWERS AND A FEW THUNDERSTORMS  
WITH OCCASIONALLY GUSTY WINDS WILL BE POSSIBLE EACH AFTERNOON.  
DRIVEN PRIMARILY BY INSTABILITY AMID QUITE LIMITED SHEAR/FORCING,  
ORGANIZED SEVERE STORMS ARE NOT EXPECTED THOUGH A BRIEF STRONG GUST  
OR TWO COULD BE POSSIBLE ASSOCIATED WITH ANY STRONGER CORE THAT  
MANAGES TO DEVELOP. RAIN CHANCES WILL BE LARGELY IN THE 20-40%  
CHANCE RANGE THROUGH TOMORROW BUT INCREASE TO THE 40-70% RANGES BY  
MID WEEK. IN GENERAL, SOUTHERN PORTIONS OF THE AREA WILL SEE THE  
BEST DAILY RAIN CHANCES AS POTENTIALLY AIDED BY SEABREEZE AFFECTS AS  
WELL AS SOMEWHAT LOCALLY HIGHER DEEP LAYER MOISTURE. /86/  
 
 
   
AVIATION  
 
(06Z TAFS)  
ISSUED AT 1220 AM CDT MON AUG 11 2025  
 
ISOLATED TO SCATTERED TSRA ARE EXPECTED BY 20Z ACROSS THE SOUTHERN  
TAF SITES. AWAY FROM ANY TSRA, VFR CONDITIONS WL PREVAIL THROUGH  
THE TAF PERIOD. /22/  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
JACKSON 74 91 74 91 / 10 70 20 70  
MERIDIAN 73 87 72 90 / 20 70 20 70  
VICKSBURG 75 93 74 92 / 20 60 20 60  
HATTIESBURG 75 89 74 92 / 30 80 20 80  
NATCHEZ 73 91 73 91 / 20 60 20 60  
GREENVILLE 74 94 74 91 / 10 40 20 50  
GREENWOOD 74 93 74 93 / 10 50 20 50  
 
 
   
JAN WATCHES/WARNINGS/ADVISORIES  
 
MS...NONE.  
LA...NONE.  
AR...NONE.  
 
 
 
 
19/86/22  
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