Severe Thunderstorm Warning 366, NWS Jackson, MS

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>074-
050400-

AREA THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1010 AM CDT TUE MAY 4 1999

...SIGNIFICANT OUTBREAK OF SEVERE WEATHER POSSIBLE ACROSS NORTHEAST
LOUISIANA...SOUTHEAST ARKANSAS...AND WESTERN MISSISSIPPI THIS
AFTERNOON AND TONIGHT...

A MODERATE RISK OF SEVERE THUNDERSTORMS EXISTS TODAY AND TONIGHT
OVER THE DELTA REGIONS OF NORTHEAST LOUISIANA...SOUTHEAST
ARKANSAS... AND WEST CENTRAL MISSISSIPPI.  A SLIGHT RISK OF SEVERE
THUNDERSTORMS EXISTS OVER MOST OF THE REMAINDER OF MISSISSIPPI.

A STRONG DISTURBANCE IN MID AND UPPER LEVELS OF THE ATMOSPHERE WILL
MOVE ACROSS THE SOUTHERN PLAINS AND LOWER MISSISSIPPI VALLEY THIS
AFTERNOON AND TONIGHT. AS IT DOES...INTENSE LOW PRESSURE AT THE
SURFACE WILL MOVE INTO KANSAS.  STRONG SOUTHERLY WINDS AHEAD OF THE
LOW WILL TRANSPORT MOIST AND UNSTABLE AIR NORTH INTO THE REGION
TODAY.

STRONG TO SEVERE THUNDERSTORMS WERE ALREADY IN PROGRESS LATE THIS
MORNING ACROSS CENTRAL MISSISSIPPI. THESE STORMS WILL MOVE NORTHEAST
AND GRADUALLY WEAKEN INTO THE AFTERNOON HOURS. MORE THUNDERSTORMS
WILL DEVELOP TO THE WEST OF THE AREA THIS AFTERNOON...AND MOVE INTO
THE REGION LATE THIS AFTERNOON AND TONIGHT. DAMAGING WINDS...VERY
LARGE HAIL...AND TORNADOES ARE POSSIBLE WITH THESE STORMS...
PARTICULARLY IN THE MODERATE RISK AREA.

ACTIVATION OF STORM SPOTTERS...HAM RADIO OPERATORS...AND EMERGENCY
MANAGEMENT PERSONNEL IS LIKELY THIS AFTERNOON AND TONIGHT.  PEOPLE
ACROSS THE AREA SHOULD KEEP UP TO DATE WITH THE LATEST WEATHER
INFORMATION AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WATCHES OR
WARNINGS.

FOR MORE INFORMATION...PLEASE VISIT OUR INTERNET WEB SITE AT:

HTTP://WWW.JANNWS.STATE.MS.US                  /IN LOWER CASE LETTERS/