883  
WWUS74 KJAN 171141  
NPWJAN  
 
URGENT - WEATHER MESSAGE  
NATIONAL WEATHER SERVICE JACKSON MS  
641 AM CDT SUN AUG 17 2025  
 
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-  
172245-  
/O.CON.KJAN.HT.Y.0024.250817T1500Z-250818T0100Z/  
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-  
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-  
SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-  
CHOCTAW-OKTIBBEHA-WASHINGTON-HUMPHREYS-HOLMES-ATTALA-WINSTON-  
NOXUBEE-ISSAQUENA-SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER-  
WARREN-HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-  
SIMPSON-SMITH-JASPER-CLARKE-JEFFERSON-ADAMS-FRANKLIN MS-LINCOLN-  
LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-LAMAR-FORREST-  
INCLUDING THE CITIES OF LUMBERTON, RALEIGH, CANTON, ROLLING FORK,  
WESSON, LOUISVILLE, CROSSETT, CONEHATTA, LAUREL, WINNSBORO,  
GOODMAN, PEARL, MORTON, HEIDELBERG, MERIDIAN, ACKERMAN,  
MENDENHALL, MAGEE, MOUNT OLIVE, BAY SPRINGS, LAKE PROVIDENCE,  
PRENTISS, RICHLAND, HAMBURG, TCHULA, BASTROP, DE KALB, QUITMAN,  
SCOOBA, YAZOO CITY, MADISON, VICKSBURG, STARKVILLE, EUDORA,  
ISOLA, PURVIS, MONTICELLO, SHUBUTA, NEWELLTON, WATERPROOF, EPPS,  
BRANDON, RAYVILLE, GREENWOOD, DECATUR, INDIANOLA, MEADVILLE,  
LEXINGTON, WEST FERRIDAY, TALLULAH, BROOKHAVEN, COLUMBUS, PORT  
GIBSON, CARTHAGE, GRENADA, EUPORA, JACKSON, MAYERSVILLE,  
GREENVILLE, RIDGELAND, BASSFIELD, UNION, KOSCIUSKO, ANGUILLA,  
HATTIESBURG, VAIDEN, WEST HATTIESBURG, CLEVELAND, COLLINS,  
FERRIDAY, PEARL RIVER, ROXIE, NORTH CROSSETT, TAYLORSVILLE,  
PICKENS, CRYSTAL SPRINGS, DURANT, DERMOTT, MACON, WINONA, OAK  
GROVE, DELHI, CARROLLTON, VIDALIA, FAYETTE, BELZONI, HAZLEHURST,  
RULEVILLE, HARRISONBURG, WEST POINT, ST. JOSEPH, NEW HEBRON,  
STONEWALL, NORTH CARROLLTON, MATHISTON, WEIR, FOREST, NATCHEZ,  
PHILADELPHIA, BUDE, LAKE VILLAGE, WEST CROSSETT, JONESVILLE,  
NEWTON, BROOKSVILLE, AND COLUMBIA  
641 AM CDT SUN AUG 17 2025  
 
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM  
CDT THIS EVENING...  
 
* WHAT...HEAT INDEX VALUES UP TO 110 EXPECTED.  
 
* WHERE...PORTIONS OF SOUTHEAST ARKANSAS, NORTHEAST LOUISIANA, AND  
CENTRAL, EAST CENTRAL, NORTH CENTRAL, NORTHEAST, NORTHWEST, SOUTH  
CENTRAL, SOUTHEAST, SOUTHWEST, AND WEST CENTRAL MISSISSIPPI.  
 
* WHEN...FROM 10 AM THIS MORNING TO 8 PM CDT THIS EVENING.  
 
* IMPACTS...HOT TEMPERATURES AND HIGH HUMIDITY MAY CAUSE HEAT  
ILLNESSES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DRINK PLENTY OF FLUIDS, STAY IN AN AIR-CONDITIONED ROOM, STAY OUT OF  
THE SUN, AND CHECK UP ON RELATIVES AND NEIGHBORS.  
 
TAKE EXTRA PRECAUTIONS WHEN OUTSIDE. WEAR LIGHTWEIGHT AND LOOSE  
FITTING CLOTHING. TRY TO LIMIT STRENUOUS ACTIVITIES TO EARLY MORNING  
OR EVENING. TAKE ACTION WHEN YOU SEE SYMPTOMS OF HEAT EXHAUSTION AND  
HEAT STROKE.  
 
TO REDUCE RISK DURING OUTDOOR WORK, THE OCCUPATIONAL SAFETY AND  
HEALTH ADMINISTRATION RECOMMENDS SCHEDULING FREQUENT REST BREAKS IN  
SHADED OR AIR CONDITIONED ENVIRONMENTS. ANYONE OVERCOME BY HEAT  
SHOULD BE MOVED TO A COOL AND SHADED LOCATION. HEAT STROKE IS AN  
EMERGENCY! CALL 9 1 1.  
 

 
 

 
 
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