387  
FXUS64 KJAN 181957 AAA  
AFDJAN  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE JACKSON MS  
257 PM CDT FRI JUL 18 2025  
   
..NEW DISCUSSION
 
 
   
DISCUSSION
 
 
ISSUED AT 254 PM CDT FRI JUL 18 2025  
 
AS THE REMAINS OF THIS TROPICAL DISTURBANCE OVER OUR REGION BECOME  
ABSORBED IN THE GENERAL FLOW OVER THE CONUS, THE CHANCE FOR  
SHOWERS AND THUNDERSTORMS WILL SHIFT NORTHWESTWARD AND THEN OUT OF  
OUR AREA BY SUNDAY. CANNOT RULE OUT ISOLATED HEAVY STORMS, BUT  
THERE IS NO ORGANIZED FLASH FLOODING THREAT WITH THIS SYSTEM AT  
THIS TIME. OTHERWISE EXPECTED SHOWERS AND EMBEDDED THUNDERSTORMS  
TO CONTINUE PIVOTING OVER OUR REGION THROUGH TOMORROW.  
 
IN THE WAKE OF THE TROPICAL DISTURBANCE, UPPER-LEVEL RIDGING WILL  
GENERALLY REESTABLISH ITS PRESENCE OVER THE REGION AND RETROGRADE TO  
THE WEST. ENSEMBLE MEAN 500MB HEIGHT VALUES PLACE A 594DAM RIDGE  
SQUARELY OVER THE INTERSTATE 40 CORRIDOR THROUGH THE OZARKS AND MID-  
SOUTH REGIONS. THIS SHOULD PROMOTE HOT WEATHER AND KEEP PRECIP  
CHANCES A LITTLE MORE RESTRICTED IN OUR FORECAST AREA. CURRENT  
GUIDANCE KEEPS POPS ON THE PERIPHERY OF THIS RIDGE - MAINLY SOUTH  
AND EAST OF THE NATCHEZ TRACE CORRIDOR. MORE HEAT HEADLINES WILL  
LIKELY BE NEEDED NEXT WEEK WITH THE POTENTIAL FOR MORE 105 TO 110  
OR GREATER HEAT INDEX VALUES. A MULTI-DAY STRETCH OF HEAT INDEX  
VALUES OVER 110 DEGREES MAY END UP WARRANTING SIGNIFICANT TO  
EXTREME HEAT STRESS WORDING AS WE MOVE INTO NEXT WEEK. /NF/  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 1259 PM CDT FRI JUL 18 2025  
 
A MIX OF VFR AND MVFR CONDITIONS WILL PREVAIL AT ALL SITES  
THROUGH THIS EVENING, AS SCATTERED SHRA/TSRA MAY DEVELOP AND  
LOWER CATEGORIES AREAWIDE. BY 07Z, MVFR TO IFR CONDITIONS WILL  
BEGIN TO DEVELOP ACROSS SITES BEFORE IMPROVING TOWARDS THE END OF  
THE TAF PERIOD. /KP/  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
JACKSON 74 91 74 95 / 30 50 0 20  
MERIDIAN 73 92 73 95 / 30 40 0 20  
VICKSBURG 76 90 75 95 / 30 50 0 10  
HATTIESBURG 75 94 75 97 / 20 50 0 20  
NATCHEZ 74 91 73 94 / 20 50 0 20  
GREENVILLE 75 89 75 93 / 30 40 0 20  
GREENWOOD 76 89 75 93 / 30 50 0 20  
 

 
   
JAN WATCHES/WARNINGS/ADVISORIES
 
 
MS...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR MSZ018-019-025-034-  
035.  
 
LA...NONE.  
AR...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR ARZ074-075.  
 

 
 

 
 
NF/KP  
 
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