Severe Thunderstorm Warning 187, NWS Jackson, MS

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
1107 AM CDT WED APR 4 2001

UPDATED FOR NEW SEVERE THUNDERSTORM WATCH AND TO ADD SEVERE WORDING
TO ALL EASTERN ZONES. VERY STEEP LAPSE RATES AND INCREASING
HEAT/MOISTURE WILL LEAD TO VERY UNSTABLE AIRMASS WITH CAPES ON THE
ORDER OF 4000 TO 5000 J/KG OVER MOST OF AREA THIS AFTERNOON.
QUESTION IS HOW MUCH WILL MID LEVEL WARMING FROM THE WEST INDUCE
CAPPING ACROSS AREA. TIER OF ZONES FROM GLH TO JAN TO HBG COULD GET
QUITE ACTIVE IF CAP DOES NOT SUPPRESS ACTIVITY. WILL BE DOING AN 18Z
SPECIAL UPPER AIR RELEASE PER COORDINATION WITH SPC AND WILL
REEVALUATE SITUATION AT THAT POINT.

.PRELIM NUMBERS
J$AN 82/65/84/63 4300
MEI 83/65/86/62 5300

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

08

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>
074-051200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
600 AM CDT WED APR 04 2001

...THUNDERSTORMS...
SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE ALONG AND WEST OF A LINE
FROM GRENADA TO CARTHAGE TO LAUREL. ONLY ISOLATED SEVERE
THUNDERSTORMS ARE POSSIBLE WEST AND SOUTH OF THIS LINE.

AN UPPER LEVEL DISTURBANCE AND A SOUTHWARD MOVING FRONTAL BOUNDARY
WILL COMBINE IN THE EASTERN PORTIONS TO ENHANCE THUNDERSTORM
DEVELOPMENT. SCATTERED SEVERE THUNDERSTORMS CONTAINING LARGE
HAIL...VERY GUSTY WINDS AND TORRENTIAL RAINFALL ARE POSSIBLE OVER
THIS AREA.

FOR ALL OTHER AREAS...ISOLATED SEVERE STORMS ARE POSSIBLE. GENERAL
INSTABILITY AND OUTFLOW BOUNDARY WILL ACT TOGETHER TO FIRE
THUNDERSTORM ACTIVITY. LARGE HAIL WILL BE THE MAIN THREAT FROM THESE
STORMS.

PERSONS SHOULD KEEP ABREAST OF THE LATEST WEATHER DEVELOPMENTS
TONIGHT. BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND KEEP A NOAA WEATHER RADIO NEAR YOUR BED-SIDE.

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

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>
074-051200-

HAZARDOUS WEATHER OUTLOOK ...CORRECTED...
NATIONAL WEATHER SERVICE JACKSON MS
600 AM CDT WED APR 04 2001

...THUNDERSTORMS...
SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE ALONG AND EAST OF A LINE
FROM GRENADA TO CARTHAGE TO LAUREL. ONLY ISOLATED SEVERE
THUNDERSTORMS ARE POSSIBLE WEST AND SOUTH OF THIS LINE.

AN UPPER LEVEL DISTURBANCE AND A SOUTHWARD MOVING FRONTAL BOUNDARY
WILL COMBINE IN THE EASTERN PORTIONS TO ENHANCE THUNDERSTORM
DEVELOPMENT. SCATTERED SEVERE THUNDERSTORMS CONTAINING LARGE
HAIL...VERY GUSTY WINDS AND TORRENTIAL RAINFALL ARE POSSIBLE OVER
THIS AREA.

FOR ALL OTHER AREAS...ISOLATED SEVERE STORMS ARE POSSIBLE. GENERAL
INSTABILITY AND OUTFLOW BOUNDARY WILL ACT TOGETHER TO FIRE
THUNDERSTORM ACTIVITY. LARGE HAIL WILL BE THE MAIN THREAT FROM THESE
STORMS.

PERSONS SHOULD KEEP ABREAST OF THE LATEST WEATHER DEVELOPMENTS
TONIGHT. BE PREPARED FOR RAPIDLY CHANGING WEATHER CONDITIONS
AND KEEP A NOAA WEATHER RADIO NEAR YOUR BED-SIDE.

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

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
917 AM CDT WED APR 4 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0645 AM    5 S ENTERPRISE            MS   WIND DAMAGE
04/04/01   CLARKE                         TREES DOWN ON
                                          INTERSTATE 59

0712 AM    MC ADAMS                  MS   0.75 INCH HAIL
04/04/01   ATTALA                         REPORTED BY CD

0733 AM    SINGLETON                 MS   1.75 INCH HAIL
04/04/01   LEAKE                          REPORTED BY CD

0750 AM    10 E CARTHAGE             MS   1.00 INCH HAIL
04/04/01   LEAKE

0755 AM    HOPE                      MS   1.00 INCH HAIL
04/04/01   NESHOBA                        REPORTED BY CD

0915 AM    2 S PHILADELPHIA          MS   0.75 INCH HAIL
04/04/01   NESHOBA                        REPORTED BY CD

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1018 AM CDT WED APR 4 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0935 AM    UNION                     MS   0.75 INCH HAIL
04/04/01   NEWTON                         REPORTED BY SO

0955 AM    DUFFEE                    MS   0.75 INCH HAIL
04/04/01   NEWTON                         REPORTED BY SO

1011 AM    MERIDIAN                  MS   0.75 INCH HAIL
04/04/01   LAUDERDALE

1011 AM    MERIDIAN                  MS   FLOOD
04/04/01   LAUDERDALE                     NUMEROUS
                                          INTERSECTIONS
                                          FLOODED...SOME WITH
                                          ONE FOOT OF WATER

ARZ074-075-LAZ007>009-015-016-023>026-MSZ018-019-025>066-072>
074-051200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE JACKSON MS
1110 AM CDT WED APR 04 2001

...THUNDERSTORMS...
SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE ALONG AND EAST OF A LINE
FROM GRENADA TO CARTHAGE TO LAUREL. ONLY ISOLATED SEVERE
THUNDERSTORMS ARE POSSIBLE WEST AND SOUTH OF THIS LINE.

AN UPPER LEVEL DISTURBANCE AND A SOUTHWARD MOVING COLD FRONT WILL
COMBINE IN THE EASTERN PORTIONS TO ENHANCE THUNDERSTORM DEVELOPMENT.
SCATTERED SEVERE THUNDERSTORMS CONTAINING LARGE HAIL...DAMAGING
WINDS AND TORRENTIAL RAINFALL ARE POSSIBLE OVER THIS AREA.

FOR ALL OTHER AREAS...ISOLATED SEVERE STORMS ARE POSSIBLE. LARGE HAIL
WILL BE THE MAIN THREAT FROM THESE STORMS.

ACTIVATION OF STORM SPOTTERS WILL BE REQUIRED TODAY AND EARLY
TONIGHT.

...FLOODING...
LOCALIZED FLOODING AND PONDING OF WATER IS POSSIBLE OVER EAST CENTRAL
MISSISSIPPI...GENERALLY EAST OF A KOSCIUSKO TO RALEIGH LINE AND SOUTH
OF A KOSCIUSKO TO MACON LINE...INTO THE AFTERNOON HOURS.
THUNDERSTORMS PRODUCING VERY HEAVY RAIN WILL TRAIN OVER THE SAME
AREAS THROUGH MID AFTERNOON...PRODUCING LOCALIZED FLOODING OF LOW
LYING AREAS.

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

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
1147 AM CDT WED APR 4 2001

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0830 AM    MERIDIAN                  MS   0.75 INCH HAIL
04/04/01   LAUDERDALE

0900 AM    MERIDIAN                  MS   0.75 INCH HAIL
04/04/01   LAUDERDALE

1110 AM    8 E LOUISVILLE            MS   0.75 INCH HAIL
04/04/01   WINSTON                        REPORTED BY CD OFFICE

1125 AM    BROOKSVILLE               MS   1.00 INCH HAIL
04/04/01   NOXUBEE