Severe Thunderstorm Warning 33, NWS Charleston, SC

000 
WWUS52 KCHS 132030
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
429 PM EDT WED APR 13 2005

SCC019-132045-
/O.CON.KCHS.SV.W.0033.000000T0000Z-050413T2045Z/
CHARLESTON-
429 PM EDT WED APR 13 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CHARLESTON COUNTY...

AT 429 PM EDT...TRAINED WEATHER SPOTTERS REPORTED PENNY SIZE
HAIL IN JAMES ISLAND. AT 420 PM EST...THIS STORM WAS LOCATED OVER
JAMES ISLAND...OR NEAR DOWNTOWN CHARLESTON...MOVING EAST AT 15 TO 
20 MPH.

NICKEL SIZE HAIL AND WIND DAMAGE IS POSSIBLE WITH THIS STORM.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV.

LAT...LON 3274 7994 3271 7994 3269 7978 3281 7978

$$

000 
WWUS52 KCHS 132036
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
435 PM EDT WED APR 13 2005

SCC019-132045-
/O.CON.KCHS.SV.W.0033.000000T0000Z-050413T2045Z/
CHARLESTON-
435 PM EDT WED APR 13 2005

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR CHARLESTON COUNTY...

AT 435 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS STORM WAS
LOCATED NEAR FORT MOULTRIE...OR ABOUT OVER CHARLESTON...MOVING EAST
AT 15 TO 20 MPH. ANOTHER SEVERE THUNDERSTORM WAS ALSO LOCATED 2 MILES
NORTHEAST OF ISLE OF PALMS. THIS STORM IS ALSO MOVING EAST AT 15
TO 20 MPH.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ISLE OF
PALMS...MOUNT PLEASANT AND SULLIVANS ISLAND.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV.

LAT...LON 3279 7992 3272 7991 3271 7962 3287 7968

$$

000 
WWUS52 KCHS 132048
SVSCHS

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
446 PM EDT WED APR 13 2005

SCC019-132056-
/O.EXP.KCHS.SV.W.0033.000000T0000Z-050413T2045Z/
CHARLESTON-
446 PM EDT WED APR 13 2005

...THE SEVERE THUNDERSTORM WARNING FOR CHARLESTON COUNTY 
EXPIRED AT 445 PM EDT...

AT 446 PM EDT...RADAR INDICATED THAT THE SEVERE THUNDERSTORM WHICH
PROMPTED THE WARNING HAD MOVED OUT OF THE WARNED AREA...THUS THE
SEVERE THUNDERSTORM WARNING HAS BEEN ALLOWED TO EXPIRE. STRONG
THUNDERSTORMS...CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WINDS
TO 40 MPH WILL CONTINUE ALONG THE IMMEDIATE COAST FROM KIAWAH ISLAND
TO DEWEES ISLAND INCLUDING FOLLY BEACH THROUGH 515 PM EDT.

SEVERAL REPORTS OF LARGE HAIL HAVE BEEN REPORTED TO THE NATIONAL
WEATHER SERVICE IN THE JAMES ISLAND AREA.

TO REPORT SEVERE WEATHER ONLY...PLEASE CONTACT THE NATIONAL WEATHER
SERVICE IN CHARLESTON TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR
REPORTS TO CHS.SKYWARN@NOAA.GOV.

LAT...LON 3279 7992 3272 7991 3271 7962 3287 7968

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
315 PM EDT WED APR 13 2005

.SHORT TERM /TONIGHT THRU FRI NIGHT /...BROAD AREA OF LOW PRES
CENTERED OVER THE COASTAL PLAINS OF SC AND THE COASTAL WATERS. WEAK
FRONTAL BOUNDARY EXTENDING FROM CENTRAL COAST OF SC WESTWARD INTO E
CENTRAL GA WILL CONT TO SAG SOUTHWARD. UPPER LEVEL LOW CENTERED OVER
CNTRAL TENN...WILL CONT TO MOVE TO THE ESE AND IS EXPECTED TO MOVE
TO A POSITION OVER THE NRN TWO THRDS OF GA AND WRN SC BY 00Z. LOW
WILL THEN CONTINUE MOVING ESE AND MOVE OFF THE NC/SC COAST AND MOVE
VERY LITTLE GOING INTO THE WEEKEND. THE UPPER LEVEL LOW SHOULD
FINALLY PULL AWAY FROM THE SE COAST TOWARD THE END OF THE WEEKEND.

WITH DAYTIME HEATING CONTINUING FOR A FEW MORE HOURS...FRONTAL
BOUNDARY STILL IN THE AREA AND UPPER LEVEL LOW MOVING TO THE SE...
CONVECTION FINNALY STARTING TO DEVELOP OVER CWA AND WILL CONTINUE
INTO THE EVENING. CANNOT RULE OUT ISOLATED SVR...PARTICULARLY
INTERIOR PORTION OF BOTH S COASTAL SC AND SE GEORGIA COAST NEAR THE
FRONT. WEDGE DVLPG OVER THE AREA  ON THU WILL KEEP TEMPS WELL
BELOW NORMAL THRU FRI.

&&

.LONG TERM /  SAT THRU WED /...FAIRLY BENIGN PERIOD OF WEATHER AS
HIGH PRES WILL BUILD DOWN OVER THE AREA FROM THE NORTH. HIGH
EXPECTED TO REMAIN OVER THE AREA THRU WED. COLD FRONT APPRAOCHING BY
THU WILL BRING NEXT CHANCE OF PRECIP.

MAX TEMPS STARTING OUT IN THE MID TO UPPER 60S ON SAT WILL MODERATE
EACH DAY AND BE WELL INTO THE 70S BY TUE AND WED. OVERNIGHT LOWS
WILL START OUT IN THE 40S SAT AND WARM TO THE MID TO UPPER 50S BY
TUE AND WED MRNG.

&&

.MARINE...WINDS AND SEAS HAVE SUBSIDED IN OUR MARINE ZONES THIS
AFTERNOON BUT SHOULD INCREASE AGAIN TONIGHT AND THU. GFS HAS TRENDED
MORE TOWARD THE NAM/S PREVIOUS SOLNS WITH TRACK OF SFC LOW OFFSHORE.
NGM/NAM/GFS ARE PRETTY ALIGNED WITH MOVING THE LOW OFFSHORE AND
MEANDERING IT 400-500 MI EAST OF KCHS THROUGH SATURDAY. GRANTED THE
NAM IS STILL FARTHER SOUTH AND STRONGER...BUT AT LEAST SOME
CONSISTENCY NOW EXISTS. WITH THIS MORE SOUTHERLY SCENARIO...BEST
FETCH WILL REMAIN IN GA OFFSHORE WATERS...BUT WINDS COULD EASILY
REACH SCA CRITERIA IN SC COASTAL WATERS BY EARLY THU. PLAN TO
CONTINUE SCA FOR GA OFFSHORE WATERS THROUGH 12Z SUNDAY...EVEN THOUGH
CONDITIONS WILL PROBABLY LULL BELOW CRITERIA UNTIL TONIGHT. WILL
INCREASE WINDS AND SEAS THROUGH FRIDAY PERIOD IN ALL WATERS...BUT
WILL HOLD OFF ON ANY NEW SCA/S FOR THE SC COASTAL WATERS UNTIL
EVENING SHIFT GETS A LOOK AT 18Z PROGS AND INITIALIZATIONS.

&&

.AVIATION...LLVL DEWPTS HAVE BEGUN TO MIX OUT BEHIND SFC LOW THIS
AFTERNOON. SCT TO BKN CU AND TCU HAVE DEVELOPED OVER THE NRN HALF OF
THE AREA...BUT VERTICAL DEVELOPMENT APPEARS TO BE LIMITED BY LACK OF
MID-LVL MOISTURE. ONLY INCLUDED TEMPO GROUP FOR SHRA AT KCHS B/C
MOISTURE WILL REMAIN IN THE NRN SECTION THE LONGEST THIS AFTERNOON
AND WEAK CONVERGENCE NEAR FRONT WILL KEEP SHOWERS POSSIBLE. WEAK
WEDGE TO SET UP TONIGHT DOWN THE EAST COAST...WITH A DECENT SHOT OF
ADIABATIC MOISTURE AND OMEGA ALONG THE 295K THETA SFC BY 09Z THU.
THIS SHOULD BRING IN SOME IFR CIGS TO BOTH TERMINALS THU
MORNING...ALONG WITH POSSIBLE DZ TO KCHS WHERE BEST LLVL MOISTURE
WILL BE FOUND. HAVE HIT TAFS PRETTY HARD DURING THIS PERIOD...WITH
ONLY SLOW IMPROVEMENTS THEREAFTER...AS WEDGE WILL REMAIN ENTRENCHED.

&&

.CHS WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
SC...NONE.
MARINE...SMALL CRAFT ADVISORY AMZ374.

JH/JRL/SCW

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
500 AM EDT WED APR 13 2005

AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040-
042>045-047>051-141000-
CHARLESTON HARBOR-
WATERS FROM SOUTH SANTEE RIVER TO EDISTO BEACH SC OUT 20 NM-
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT
20 NM...INCLUDING GRAYS REEF NATIONAL MARINE SANCTUARY-
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA FROM 20 TO 60 NM-
JENKINS-SCREVEN-CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-
INLAND BRYAN-COASTAL BRYAN-INLAND CHATHAM-COASTAL CHATHAM-LONG-
INLAND LIBERTY-COASTAL LIBERTY-INLAND MCINTOSH-COASTAL MCINTOSH-
ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER-BERKELEY-INLAND
JASPER-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-
500 AM EDT WED APR 13 2005

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...ALTHOUGH THE ATMOSPHERE WILL BE DRYING OUT
TODAY ACROSS THE REGION...THERE IS THE POTENTIAL FOR AN ISOLATED
STRONG TO POSSIBLY SEVERE THUNDERSTORM LATE THIS AFTERNOON AND
EVENING AS A FRONTAL BOUNDARY AND UPPER LEVEL SYSTEM APPROACH THE
AREA. THE MAIN HAZARD WILL BE HAIL UP TO PENNY SIZE.

.RIVER FLOODING...FLOOD WARNINGS ARE IN EFFECT FOR ALL RIVER FLOOD
POINTS IN THE COUNTY WARNING FORECAST AREA...EXCEPT FOR THE EDISTO
RIVER AT GIVHANS FERRY AND THE OGEECHEE RIVER AT MIDVILLE. PLEASE
REFER TO THE LATEST RIVER FLOOD STATEMENT AND RIVER FORECAST FOR
ADDITIONAL INFORMATION.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
.RIVER FLOODING...FLOOD WARNINGS ARE EXPECTED TO REMAIN IN EFFECT
FOR ALL RIVER FLOOD POINTS IN THE COUNTY WARNING FORECAST AREA OVER
THE NEXT SEVERAL DAYS...EXCEPT FOR THE EDISTO RIVER AT GIVHANS FERRY
AND THE OGEECHEE RIVER AT MIDVILLE. PLEASE REFER TO THE LATEST RIVER
FLOOD STATEMENT AND RIVER FORECAST FOR ADDITIONAL INFORMATION.

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

44