Severe Thunderstorm Warning 542, NWS Jackson, MS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
1015 PM CDT WED JUL 16 2003

UPDATED ZONES TO REMOVE EVENING WORDING TO POPS IN THE EASTERN ZONES
AND INTRODUCE SLGT CHC POPS OVERNIGHT IN THE CENTRAL ZONES.
SATELLITE AND RUC SHOW A WEAK SHORT WAVE MOVING OVER NORTHERN
MISSISSIPPI THAT WILL TRACK SW AROUND THE UPPER HIGH. LAPS ANALYSIS
HAS SFC BASED CAPES AOUND 3000 J/KG AND COMPUTED LIS OF -6...OR
VERY LITTLE CHANGE FROM JAN 00Z THU SOUNDING. LOCAL RADARS HAVE A
CLUSTER OF THUNDERSTORMS FROM GRANADA TO COLUMBUS MOVING SOUTH WITH
AN OUTFLOW BOUNDARY MOVING NORTH FROM A CLUSTER OF THUNDERSTORMS
OVER SOUTHEAST MISSISSIPPI. THEREFORE CANT RULE OUT A CHANCE OF
THUNDERSTORMS OVERNIGHT EAST OF INTERSTATE 55. WL HAVE GRIDD UPDATES
SHORTLY.

AR...NONE.
LA...NONE.
MS...NONE.

22

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
172020-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
320 PM CDT WED JUL 16 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL MISSISSIPPI...
NORTHEAST LOUISIANA...AND EXTREME SOUTHEAST ARKANSAS

.DAY ONE...TONIGHT AND THURSDAY...

...THUNDERSTORMS...
ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE OVER AREAS
EAST OF A LINE FROM GRENADA TO FOREST TO MONTICELLO THE REMAINDER
OF THE AFTERNOON AND INTO THE EVENING HOURS. ISOLATED SEVERE
STORMS WILL BE POSSIBLE OVER AREAS ALONG AND EAST OF A LINE FROM
EUPORA...NEWTON...TO HEIDELBERG.

A COMPLEX OF THUNDERSTORMS WILL SLOWLY MOVE SOUTH OVER EASTERN
PORTIONS OF MISSISSIPPI THIS AFTERNOON AND EVENING. THIS COMPLEX
WILL CONTINUE TO INTERACT WITH THE VERY MOIST AND UNSTABLE
AIRMASS...ALONG WITH SOME WEAK UPPER LEVEL ENERGY...TO PRODUCE
SCATTERED THUNDERSTORMS OVER EXTREME EASTERN MISSISSIPPI.
ISOLATED THUNDERSTORMS MAY BECOME SEVERE AND PRODUCE DAMAGING
WIND GUSTS IN EXCESS OF 60 MPH.  AREAS WEST OF THE EUPORA TO
NEWTON TO HEIDELBERG LINE SHOULD ONLY EXPERIENCE ISOLATED
THUNDERSTORMS THROUGH THE EVENING...AND THEY ARE NOT EXPECTED TO
BECOME SEVERE. HEAVY DOWNPOURS AND FREQUENT LIGHTNING STRIKES CAN
BE EXPECTED WITH ALL STORMS THAT DEVELOP.

ON THURSDAY...ISOLATED TO SCATTERED THUNDERSTORMS ARE EXPECTED
ONCE AGAIN TO DEVELOP OVER THE ENTIRE OUTLOOK AREA. ISOLATED
SEVERE STORMS WILL BE POSSIBLE AGAIN...MAINLY ALONG AND SOUTH OF
A RHINEHART LOUISIANA TO BROOKHAVEN TO LAUREL LINE. DAMAGING WIND
GUSTS WILL BE POSSIBLE WITH ANY SEVERE STORMS THAT DEVELOP.

.DAYS TWO THROUGH SEVEN...THURSDAY NIGHT THROUGH WEDNESDAY...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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 ANTICIPATED THROUGH TONIGHT.

FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT
WWW.SRH.NOAA.GOV/JAN. THIS INCLUDES THE GRAPHICAL HAZARDOUS
WEATHER OUTLOOK.