746  
FLUS44 KJAN 210850  
HWOJAN  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE JACKSON MS  
350 AM CDT SAT APR 21 2018  
 
ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025-034-035-  
040>042-047-053-059>061-220900-  
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-  
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-BOLIVAR-  
SUNFLOWER-LEFLORE-WASHINGTON-HUMPHREYS-ISSAQUENA-SHARKEY-YAZOO-  
WARREN-CLAIBORNE-JEFFERSON-ADAMS-FRANKLIN MS-  
350 AM CDT SAT APR 21 2018  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST  
ARKANSAS, NORTHEAST LOUISIANA, CENTRAL MISSISSIPPI, NORTH CENTRAL  
MISSISSIPPI, NORTHWEST MISSISSIPPI, SOUTHWEST MISSISSIPPI, AND  
WEST CENTRAL MISSISSIPPI.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
FLOODING  
THREAT...LIMITED  
TIMING...TONIGHT  
 
FLASH FLOODING IS POSSIBLE TONIGHT AND INTO THE EARLY MORNING  
HOURS SUNDAY AS A STORM SYSTEM MOVES EAST ACROSS THE OUTLOOK AREA.  
HEAVY RAINFALL TOTALS OF 1 TO 2 INCHES, WITH LOCALLY HIGHER  
AMOUNTS, WILL BE POSSIBLE.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE1.PNG)  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY  
 
FLASH FLOODING IS POSSIBLE TONIGHT AND INTO THE EARLY MORNING  
HOURS SUNDAY AS A STORM SYSTEM MOVES EAST ACROSS THE OUTLOOK AREA.  
HEAVY RAINFALL TOTALS OF 1 TO 2 INCHES, WITH LOCALLY HIGHER  
AMOUNTS, WILL BE POSSIBLE.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE1.PNG)  
 
ISOLATED SEVERE STORMS ARE POSSIBLE ON SUNDAY, MAINLY EAST OF A  
CONCORDIA TO MADISON PARISH IN LOUISIANA TO LEFLORE COUNTY LINE IN  
MISSISSIPPI. DAMAGING WIND GUSTS, HAIL UP TO QUARTER SIZE, AND A  
TORNADO OR TWO CANNOT BE RULED OUT. THIS WILL MAINLY BE CONFINED  
TO THE MID-MORNING THROUGH EVENING HOURS.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE2.PNG)  
   
SPOTTER CALL TO ACTION STATEMENT
 
 
THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND  
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER  
OPERATIONS MAY BE NEEDED FOR PORTIONS OF THE REGION SUNDAY.  
 

 
 
MSZ026>033-036>039-043>046-048>052-054>058-062>066-072>074-220900-  
GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-LOWNDES-CHOCTAW-OKTIBBEHA-  
HOLMES-ATTALA-WINSTON-NOXUBEE-MADISON MS-LEAKE-NESHOBA-KEMPER-  
HINDS-RANKIN-SCOTT-NEWTON-LAUDERDALE-COPIAH-SIMPSON-SMITH-JASPER-  
CLARKE-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-  
LAMAR-FORREST-  
350 AM CDT SAT APR 21 2018  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL  
MISSISSIPPI, EAST CENTRAL MISSISSIPPI, NORTH CENTRAL MISSISSIPPI,  
NORTHEAST MISSISSIPPI, SOUTH CENTRAL MISSISSIPPI, AND SOUTHEAST  
MISSISSIPPI.  
   
DAY ONE
 
TODAY AND TONIGHT  
 
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY  
 
FLASH FLOODING IS POSSIBLE DURING THE EARLY MORNING HOURS SUNDAY  
THROUGH SUNDAY EVENING AS A STORM SYSTEM MOVES EAST ACROSS THE  
OUTLOOK AREA. HEAVY RAINFALL TOTALS OF 1 TO 2 INCHES, WITH LOCALLY  
HIGHER AMOUNTS, WILL BE POSSIBLE.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE1.PNG)  
 
ISOLATED SEVERE STORMS ARE POSSIBLE ON SUNDAY, MAINLY EAST OF A  
CONCORDIA TO MADISON PARISH IN LOUISIANA TO LEFLORE COUNTY LINE IN  
MISSISSIPPI. DAMAGING WIND GUSTS, HAIL UP TO QUARTER SIZE, AND A  
TORNADO OR TWO CANNOT BE RULED OUT. THIS WILL MAINLY BE CONFINED  
TO THE MID-MORNING THROUGH EVENING HOURS.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE2.PNG)  
   
SPOTTER CALL TO ACTION STATEMENT
 
 
THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND  
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER  
OPERATIONS MAY BE NEEDED FOR PORTIONS OF THE REGION SUNDAY.  
 

 
 
23  
 

 
   
..HAZARD LEGEND
 
 
*FLOODING*  
EXTREME...CONFIDENT IN SIGNIFICANT FLOODING.  
SIGNIFICANT...SIGNIFICANT FLOODING POSSIBLE.  
ELEVATED...CONFIDENT IN FLOODING.  
LIMITED...FLOODING POSSIBLE.  
 
   
..USEFUL WEATHER WEB PAGES (URLS)
 
 
NWS JAN HOME PAGE...  
HTTPS://WWW.WEATHER.GOV/JAN  
STAY AWARE, STAY SAFE NWS JAN BRIEFING PAGE...  
HTTPS://WWW.WEATHER.GOV/JAN/SAFE  
LATEST WEATHER BRIEFING...  
HTTPS://WWW.WEATHER.GOV/JAN/WEATHER_BRIEFING  
 
FIND NWS JAN ON FACEBOOK...  
HTTPS://WWW.FACEBOOK.COM/NWSJACKSONMS  
FOLLOW NWS JAN ON TWITTER...  
@NWSJACKSONMS  
FOLLOW NWS JAN ON YOUTUBE...  
HTTPS://WWW.YOUTUBE.COM/USER/NWSJACKSONMISS  
   
..ADDITIONAL URLS FOR FLOODING ISSUES
 
 
CURRENT WATCHES AND WARNINGS...  
HTTPS://WWW.WEATHER.GOV/JAN/SAFE_HEAVYRAIN  
 
OBSERVED PRECIPITATION IMAGES...  
HTTPS://WWW.WEATHER.GOV/JAN/PRECIPMAPS  
 
RIVER FORECAST CENTER...  
HTTPS://WWW.WEATHER.GOV/LMRFC/  
SIGNIFICANT RIVER FLOOD OUTLOOK...  
WWW.WPC.NCEP.NOAA.GOV/NATIONALFLOODOUTLOOK/INDEX.HTML  
DAY 1 THROUGH 3 EXCESSIVE RAINFALL...  
WWW.WPC.NCEP.NOAA.GOV/QPF/EXCESS_RAIN.SHTML  
EXCESSIVE RAINFALL DISCUSSION...  
WWW.WPC.NCEP.NOAA.GOV/DISCUSSIONS/QPFERD.HTML  
DAY 1 THROUGH 7 QPF...  
WWW.WPC.NCEP.NOAA.GOV/QPF/QPF2.SHTML  
QPF DISCUSSION...  
WWW.WPC.NCEP.NOAA.GOV/DISCUSSIONS/QPFPFD.HTML  
 
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