Severe Thunderstorm Warning 55, NWS Charleston, SC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
315 PM EDT TUE MAY 6 2003

PUBLIC...AFTER COORDINATING WITH SPC LOOKS LIKE AN ACTIVE EVENING.
CLOSELY WATCHING THUNDERSTORM COMPLEX IN NORTHERN GEORGIA. VISUAL
SATELLITE LOOP OVERLAYED WITH MSAS LOOP INDICATES COMPLEX WILL MOVE
EAST SOUTHEAST ALONG DEWPOINT GRADIENT AND ALONG AXIS OF PRESSURE
FALLS. INTERPOLATING ALONG THIS PATH WOULD TAKE IT DOWN INTO THE
FORECAST AREA TONIGHT. THE RUC...ETA AND ESPECIALLY THE MESO-ETA
CONFIRM THIS. THEREFORE WILL GO ABOVE GUIDANCE POPS FOR TONIGHT.
WILL GO FOR LIKELY POPS. ANOTHER VERY WARM AND UNSTABLE DAY IN STORE
FOR WEDNESDAY. A LEE SIDE TROUGH WILL EXTEND ACROSS THE CAROLINAS
WITH AXIS OF INSTABILITY RUNNING THROUGH THE AREA. ONLY LIMITING
FACTOR WILL BE WEAK MID LEVEL INVERSION BETWEEN 600-700 MBS SEEN ON
FORECAST SOUNDINGS. WITH SO MUCH INSTABILITY CAP COULD EASILY BE
BROKEN SO WILL BLANKET AREA WITH CHANCE POPS. THURSDAY HARDER TO PIN
DOWN. BY THURSDAY LEE SIDE TROUGH STILL EVIDENT. WELL DEFINED VORT
PASSES THROUGH DURING THE DAY AND AXIS OF INSTABILITY RUNS THROUGH
THE AREA. HOWEVER FORECAST SOUNDINGS ATMOSPHERE DRIER THAN THURSDAY
AND MID LEVEL CAP DEVELOPS DURING THE DAY. PLAN ON GOING FOR A DRY
AND VERY WARM DAY. ANOTHER DRY AND WARM DAY FOR FRIDAY. HEIGHTS AND
THICKNESSES BUILD AS BROAD RIDGE BRIEFLY TRIES TO BUILD NORTH. WEAK
FRONT DROPS IN FRIDAY NIGHT FROM THE NORTHWEST BUT QUICKLY
DISSIPATES ON SATURDAY. FRONT LOOKED UNIMPRESSIVE YESTERDAY AND EVEN
MORE SO TODAY. WILL KEEP FORECAST DRY. POTENT LOOKING FRONT MOVES IN
MONDAY. LOOKS DRY FOR TUESDAY WITH HIGH BUILDING IN BEHIND THE
FRONT.

MARINE...WINDS AND SEAS HAVE COME DODWN SLIGHTLY OVER THE WATERS
THIS AFTN. NOT MUCH CHANGE EXPECTED IN THE FCST FOR THE NEXT FEW
DAYS. S TO SW WINDS A MAX OF 20 KT WITH SEAS A MAX OF 5 FT. MAINLY
JUST THE USUAL DIURNAL SHIFTS TO THE WINDS. SMALL CRAFT ADVISORY
CONDITIONS ARE NOT EXPECTED.

.CHS...
GA...NONE.
SC...TORNADO WATCH FOR CHARLESTON...BERKELEY...DORCHESTER...HAMPTON
...COLLETON AND ALLENDALE COUNTIES UNTIL 8 PM EDT.

HSA/SF

AMZ330-350-352-354-370-374-GAZ087-088-099>101-114>119-137>141-SCZ040-
042>045-047>051-062115-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
328 PM EDT TUE MAY 6 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA
...SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS FROM SOUTH
SANTEE RIVER SOUTH CAROLINA TO ALTAMAHA SOUND GEORGIA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.
.SEVERE THUNDERSTORMS...DANGEROUS SEVERE STORMS BETWEEN COLUMBIA
SOUTH CAROLINA AND ATLANTA GEORGIA WILL CONTINUE TO MOVE EAST-
SOUTHEAST INTO PARTS OF EASTERN SOUTH CAROLINA LATER TODAY AND THIS
EVENING. CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF TORNADOES
...LARGE HAIL...AND DAMAGING WIND GUSTS. THE GREATEST THREAT OF
SEVERE WEATHER WILL BE NORTH OF A LINE FROM BEAUFORT TO AUGUSTA.

A TORNADO WATCH HAS BEEN ISSUED FOR HAMPTON...ALLENDALE...COLLETON...
DORCHESTER...BERKELEY AND CHARLESTON COUNTIES IN SOUTH CAROLINA. THE
WATCH WILL REMAIN IN EFFECT UNTIL 8 PM TONIGHT.

.RIVER FLOODING...A RIVER FLOOD WARNING REMAINS IN EFFECT FOR
MODERATE FLOODING ALONG THE LOWER SANTEE RIVER AT JAMESTOWN.  FLOOD
WARNINGS ARE ALSO IN EFFECT FOR THE SAVANNAH RIVER AT CLYO WHERE
MINOR FLOODING IS OCCURRING. PLEASE REFER TO THE LATEST RIVER FLOOD
STATEMENT FOR MORE SPECIFIC INFORMATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
.RIVER FLOODING...RIVER FLOODING WILL CONTINUE ON THE LOWER SANTEE
RIVER AT JAMESTOWN AND THE SAVANNAH RIVER AT CLYO.

.SPOTTER INFORMATION STATEMENT...
SKYWARN SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY OR TONIGHT.

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GAZ087-088-099>101-114>119-137>141-SCZ040-042>045-047>051-070400-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
319 PM EDT TUE MAY 6 2003

...SEVERE THUNDERSTORMS POSSIBLE LATE THIS AFTERNOON AND EVENING...

A LARGE CLUSTER OF STRONG TO SEVERE THUNDERSTORMS ACROSS NORTH
GEORGIA AND WESTERN SOUTH CAROLINA AT MID AFTERNOON...IS EXPECTED TO
DEVELOP EAST SOUTHEAST INTO PARTS OF EASTERN SOUTH CAROLINA AND
SOUTHEAST GEORGIA LATER TODAY AND THIS EVENING.

A TORNADO WATCH HAS BEEN ISSUED FOR HAMPTON...ALLENDALE...COLLETON...
DORCHESTER...BERKELEY AND CHARLESTON COUNTIES IN SOUTH CAROLINA. THE
WATCH WILL REMAIN IN EFFECT UNTIL 8 PM TONIGHT.

IN ADDITION TO THE THREAT OF TORNADOES...A FEW THUNDERSTORMS COULD
PRODUCE LARGE HAIL AND DAMAGING STRAIGHT LINE WINDS. WHILE IT
APPEARS THAT MOST OF THE SEVERE WEATHER WILL REMAIN NORTH OF THE
SAVANNAH RIVER...ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE ACROSS
SOUTHEAST GEORGIA NORTH OF INTERSTATE 16 LATER THIS AFTERNOON OR
EVENING.

STAY TUNED TO NOAA WEATHER RADIO...TV...OR YOUR LOCAL NEWS SOURCE FOR
THE LATEST WEATHER INFORMATION FROM THE NATIONAL WEATHER SERVICE.
ADDITIONAL INFORMATION IS ALSO AVAILABLE ON THE INTERNET AT
WCHS.CSC.NOAA.GOV.

LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS AND SPOTTER
GROUPS SHOULD MONITOR THE LATEST WEATHER CONDITIONS. SPOTTER
ACTIVATION IS EXPECTED LATER THIS AFTERNOON.

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