136  
FLUS44 KJAN 212027  
HWOJAN  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE JACKSON MS  
327 PM CDT SAT APR 21 2018  
 
ARZ074-075-LAZ007>009-015-016-023>026-MSZ034-040-222030-  
ASHLEY-CHICOT-MOREHOUSE-WEST CARROLL-EAST CARROLL-RICHLAND-  
MADISON LA-FRANKLIN LA-CATAHOULA-TENSAS-CONCORDIA-WASHINGTON-  
ISSAQUENA-  
327 PM CDT SAT APR 21 2018  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST  
ARKANSAS, NORTHEAST LOUISIANA, AND WESTERN PORTIONS OF THE  
MISSISSIPPI DELTA.  
   
DAY ONE
 
TONIGHT AND SUNDAY  
 
FLOODING  
THREAT...LIMITED  
TIMING...SUNDAY EARLY MORNING THROUGH EARLY AFTERNOON  
 
LOCALIZED RAINFALL AMOUNTS OF UP TO 2-4 INCHES ARE POSSIBLE  
SUNDAY EARLY MORNING THROUGH EARLY AFTERNOON. THIS COULD RESULT IN  
LOCALIZED FLASH FLOODING.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE1.PNG)  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY NIGHT THROUGH FRIDAY  
 
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.  
   
SPOTTER CALL TO ACTION STATEMENT
 
 
THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND  
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER  
OPERATIONS IS NOT EXPECTED THROUGH NEXT FRIDAY.  
 

 
 
MSZ018-019-025>033-035>039-041>058-062>066-072>074-222030-  
BOLIVAR-SUNFLOWER-LEFLORE-GRENADA-CARROLL-MONTGOMERY-WEBSTER-CLAY-  
LOWNDES-CHOCTAW-OKTIBBEHA-HUMPHREYS-HOLMES-ATTALA-WINSTON-NOXUBEE-  
SHARKEY-YAZOO-MADISON MS-LEAKE-NESHOBA-KEMPER-WARREN-HINDS-RANKIN-  
SCOTT-NEWTON-LAUDERDALE-CLAIBORNE-COPIAH-SIMPSON-SMITH-JASPER-  
CLARKE-LINCOLN-LAWRENCE-JEFFERSON DAVIS-COVINGTON-JONES-MARION-  
LAMAR-FORREST-  
327 PM CDT SAT APR 21 2018  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND  
SOUTH MISSISSIPPI.  
   
DAY ONE
 
TONIGHT AND SUNDAY  
 
SEVERE THUNDERSTORMS  
THREAT...MARGINAL  
TIMING...SUNDAY  
 
FLOODING  
THREAT...LIMITED  
TIMING...SUNDAY MORNING THROUGH EARLY EVENING  
 
ISOLATED SEVERE STORMS CAPABLE OF PRODUCING DAMAGING WIND GUSTS,  
HAIL UP TO QUARTER SIZE, AND A TORNADO OR TWO ARE POSSIBLE SUNDAY  
MID MORNING THROUGH EARLY EVENING.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE2.PNG)  
 
LOCALIZED RAINFALL AMOUNTS OF UP TO 2-4 INCHES ARE POSSIBLE  
SUNDAY EARLY MORNING THROUGH EARLY AFTERNOON. THIS COULD RESULT IN  
LOCALIZED FLASH FLOODING.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE1.PNG)  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY NIGHT THROUGH FRIDAY  
 
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.  
   
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.  
 

 
 
MSZ059>061-222030-  
JEFFERSON-ADAMS-FRANKLIN MS-  
327 PM CDT SAT APR 21 2018  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST  
MISSISSIPPI.  
   
DAY ONE
 
TONIGHT AND SUNDAY  
 
FLOODING  
THREAT...LIMITED  
TIMING...SUNDAY MORNING THROUGH EARLY AFTERNOON  
 
LOCALIZED RAINFALL AMOUNTS OF UP TO 2-4 INCHES ARE POSSIBLE  
SUNDAY EARLY MORNING THROUGH EARLY AFTERNOON. THIS COULD RESULT IN  
LOCALIZED FLASH FLOODING.  
 
(HTTPS://WWW.WEATHER.GOV/IMAGES/JAN/GRAPHICAST/IMAGE1.PNG)  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY NIGHT THROUGH FRIDAY  
 
THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.  
   
SPOTTER CALL TO ACTION STATEMENT
 
 
THE ACTIVATION OF STORM SPOTTERS, HAM RADIO OPERATORS, AND  
EMERGENCY MANAGEMENT PERSONNEL IN SUPPORT OF SEVERE WEATHER  
OPERATIONS IS NOT EXPECTED THROUGH NEXT FRIDAY.  
 

 
 
DL  
 

 
   
..HAZARD LEGEND
 
 
*FLOODING*  
EXTREME...CONFIDENT IN SIGNIFICANT FLOODING.  
SIGNIFICANT...SIGNIFICANT FLOODING POSSIBLE.  
ELEVATED...CONFIDENT IN FLOODING.  
LIMITED...FLOODING POSSIBLE.  
 
*SEVERE THUNDERSTORMS*  
HIGH...SIGNIFICANT SEVERE THUNDERSTORMS ARE EXPECTED.  
MODERATE...SEVERE STORMS EXPECTED WITH SIGNIFICANT  
SEVERE WEATHER POSSIBLE.  
ENHANCED...SEVERE STORMS EXPECTED.  
SLIGHT...SEVERE STORMS POSSIBLE.  
MARGINAL...ISOLATED SEVERE STORMS 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   
..ADDITIONAL URLS FOR SEVERE WEATHER ISSUES
 
 
STORM PREDICTION CENTER (SPC)...  
WWW.SPC.NOAA.GOV/  
MESO ANALYSIS...  
WWW.SPC.NOAA.GOV/EXPER/MESOANALYSIS/  
DAY 1 THROUGH 3 OUTLOOKS...  
WWW.SPC.NOAA.GOV/PRODUCTS/OUTLOOK/  
STORM REPORTS...  
WWW.SPC.NOAA.GOV/CLIMO/ONLINE/  
 
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