152  
FXUS64 KJAN 221813  
AFDJAN  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE JACKSON MS  
113 PM CDT TUE SEP 22 2026  
   
..NEW AVIATION  
 
   
KEY MESSAGES  
 
 
- MARGINAL RISK OF ISOLATED SEVERE STORMS ACROSS CENTRAL AND  
EASTERN PORTIONS OF THE AREA TODAY.  
 
- LIMITED THREAT OF DANGEROUS HEAT STRESS CONTINUES TODAY.  
 
 
   
DISCUSSION  
 
ISSUED AT 238 AM CDT TUE SEP 22 2026  
 
TODAY THROUGH NEXT MONDAY...WEAK TROUGHING WILL EXIST ACROSS  
MAINLY FAR EASTERN PORTIONS OF THE FORECAST AREA, AS HIGH  
PRESSURE ALOFT BEGINS BUILDING INTO THE REGION FROM THE WEST. AT  
THE SURFACE, A FRONTAL BOUNDARY WILL STALL THROUGH OR JUST SOUTH  
OF THE REGION BY THE END OF THE DAY. THIS, COMBINED WITH DAYTIME  
HEATING IN THE MIDDLE 90S, WILL AGAIN RESULT IN ISOLATED TO  
SCATTERED SHOWERS AND STORMS DEVELOPING ACROSS AREAS MAINLY ALONG  
AND SOUTHEAST OF THE NATCHEZ TRACE PARKWAY THIS AFTERNOON. HEAVY  
DOWNPOURS AND FREQUENT LIGHTNING WILL BE POSSIBLE WITH STORMS,  
WITH GUSTY WINDS POSSIBLE. AS SUCH THERE IS A MARGINAL RISK FOR  
ISOLATED SEVERE STORMS CAPABLE OF PRODUCING DAMAGING WIND GUSTS  
OVER SOME CENTRAL AND EASTERN PORTIONS OF THE CWA THIS AFTERNOON.  
 
WITH HIGH PRESSURE ALOFT AND AT THE SURFACE BECOMING MORE PREVALENT  
ACROSS THE REGION THROUGH THE REMAINDER OF THE FORECAST PERIOD, RAIN  
CHANCES ESSENTIALLY DWINDLE TO NIL. HOWEVER IN THE AFOREMENTIONED  
FRONTAL BOUNDARY'S WAKE, DRIER AIR AND LESS HOT CONDITIONS WILL  
EXIST ACROSS THE FORECAST AREA FOR THE REMAINDER OF THE WEEK AND  
INTO THE WEEKEND. AS HIGHS WEDNESDAY RANGE FROM THE LOW TO MIDDLE  
90S, COME LATE WEEK AND INTO THE WEEKEND THEY'LL RANGE FROM THE  
UPPER 80S TO LOWER 90S. LOWS WILL LIKEWISE FOLLOW SUIT AS THEY'LL  
RANGE FROM THE UPPER 60S AND LOWER 70S WEDNESDAY MORNING. THEN  
COOLING INTO THE LOW TO MIDDLE 60S LATE IN THE WEEK AND THROUGH  
THE WEEKEND. /OAJ/  
 
 
   
AVIATION  
 
(18Z TAFS)  
ISSUED AT 110 PM CDT TUE SEP 22 2026  
 
ISOLATED TO SCATTERED -TSRA WILL BE POSSIBLE THIS AFTERNOON ACROSS  
THE AREA. OTHERWISE VFR CONDITIONS WILL PREVAIL./KP/  
 
 
   
PRELIMINARY POINT TEMPS/POPS  
 
JACKSON 70 93 66 90 / 10 0 0 0  
MERIDIAN 69 93 67 89 / 10 0 0 0  
VICKSBURG 70 93 66 89 / 10 0 0 0  
HATTIESBURG 71 95 69 92 / 10 0 0 0  
NATCHEZ 71 94 67 91 / 10 0 0 0  
GREENVILLE 69 92 63 88 / 0 0 0 0  
GREENWOOD 68 92 62 89 / 0 0 0 0  
 
 
   
JAN WATCHES/WARNINGS/ADVISORIES  
 
MS...NONE.  
LA...NONE.  
AR...NONE.  
 
 
 
 
19/19/KP  
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