Alert archive / Georgia / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 277, NWS Charleston, SC

July 29, 20084 counties in Georgia

NWS Charleston, SC issued this severe thunderstorm warning at Jul 29, 2008, 4:23 PM EDT for 4 counties in Georgia. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 29, 2008, 4:23 PM EDT (20:23 UTC)
Expired
Jul 29, 2008, 4:50 PM EDT
In force
27 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon

Counties Bryan County, GA, Bulloch County, GA, Evans County, GA, Liberty County, GA

The radar

The Charleston,SC radar (KCLX), 84 km from the middle of the area, began a volume at 20:26 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 8.4 hours before the alert went out and 177 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Charleston AFB, SC at 12:00Z on 2008-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1751 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2008-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1751 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
684 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 2:00 PM EDT, 2 hours 23 minutes earlier.

Area forecast discussion, Jul 29, 2:00 PM EDT, 2 hours 23 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHARLESTON SC
200 PM EDT TUE JUL 29 2008

.SYNOPSIS...
ATLANTIC HIGH PRESSURE WILL REMAIN WELL OFFSHORE. A WEAK SURFACE
TROUGH WILL LINGER ACROSS INLAND AREAS THROUGH MUCH OF THE WEEK.

&&

.NEAR TERM /UNTIL 6 PM THIS EVENING/...
THE WEATHER PATTERN IS VERY SIMILAR TO MONDAY...WITH ATLANTIC
HIGH PRESSURE OFFSHORE AND A WEAK SURFACE TROUGH INLAND. MODELS
INDICATE ONLY WEAK AREAS OF UPPER LEVEL ENERGY OVER THE SOUTHEAST
STATES TODAY...AS BROAD HIGH PRESSURE ALOFT REMAINS ANCHORED
ACROSS THE SOUTH. AS A RESULT...CONVECTION WILL AGAIN BE DRIVEN BY
MAINLY THE SEABREEZE PROGRESSION AND MESOSCALE BOUNDARY INTERACTIONS.
FIRST THUNDERSTORMS OF THE DAY DEVELOPED AROUND NOON...ONCE THE
CONVECTIVE TEMPERATURE AROUND 87 DEGREES WAS REACHED. ONGOING POP
SCHEME IN THE 30 TO 40 PERCENT RANGE APPEARS ON TRACK...HIGHEST
FROM SOUTHERN JASPER COUNTY SOUTH TO METTER AND DARIEN. CONVECTIVE
CHECKLIST AND 12Z CHS SOUNDING ALREADY INDICATE HIGH PWAT VALUES
AROUND 2 INCHES AND CAPE VALUES ABOVE 3000 J/KG. THUS STRONG TO
SEVERE THUNDERSTORMS ARE POSSIBLE WITH LOCALIZED DAMAGING
WINDS...FLOODING AND CLOUD TO GROUND LIGHTNING THE MAIN HAZARDS.

HIGHS SHOULD REACH THE LOWER TO MID 90S AWAY FROM THE COAST.
EXPECT DEWPOINTS TO POOL BACK INTO THE UPPER 70S TO LOWER 80S
BEHIND THE SEABREEZE ALONG THE LOWER SOUTH CAROLINA COAST THIS
AFTERNOON...SIMILAR TO WHAT HAS BEEN OBSERVED DURING THE PAST TWO
DAYS. HIGHEST HEAT INDICES WILL OCCUR ALONG A CORRIDOR FROM
BEAUFORT AND HILTON HEAD NORTHEAST THROUGH THE CHARLESTON METRO
AREA. HEAT INDEX VALUES IN THESE LOCATIONS WILL REACH THE 104 TO
108 DEGREE RANGE FOR AT LEAST 2 TO 3 HOURS...SO WILL MAINTAIN THE
HEAT ADVISORY FROM 12 PM UNTIL 7 PM. SOUTHERN BERKELEY COUNTY WILL
ALSO BE INCLUDED...AS AREAS AROUND DANIEL ISLAND AND CAINHOY COULD
REACH ADVISORY LEVEL VALUES.

&&

.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM WEDNESDAY/...
SCATTERED SHOWERS AND THUNDERSTORMS WILL GRADUALLY DIMINISH THROUGH
THE EVENING...AS INSTABILITY WANES WITH THE LOSS OF INSOLATION.
WILL MAINTAIN 30-40 PERCENT POPS THROUGH EARLY EVENING...THEN DROP
POPS BELOW 20 PERCENT BY MIDNIGHT. LOWS WILL RANGE FROM THE LOWER
70S WELL INLAND TO THE UPPER 70S/LOWER 80S AT THE BEACHES.

MORE OF THE SAME FOR WEDNESDAY...WITH SCATTERED SHOWERS AND
THUNDERSTORMS DEVELOPING DURING THE AFTERNOON HOURS. AGAIN
COVERAGE WILL BE HIGHLY DEPENDENT ON MESOSCALE BOUNDARY COLLISIONS
SO 30-40 PERCENT POPS LOOK GOOD. IT WILL BE ANOTHER WARM AND MUGGY
DAY WITH HIGHS GENERALLY IN THE LOWER TO MID 90S. SHOULD SEE
ANOTHER POOLING OF DEWPOINTS ALONG THE LOWER SOUTH CAROLINA COAST
RESULTING IN HEAT INDEX VALUES OF 104-108 ALONG THE COAST FROM
COASTAL JASPER UP THROUGH EASTERN BERKELEY COUNTIES. ANOTHER HEAT
ADVISORY WILL LIKELY BE NEEDED.

&&

.LONG TERM /WEDNESDAY NIGHT THROUGH MONDAY/...
AFTER A BRIEF PERIOD OF NEARLY ZONAL UPPER FLOW OVER THE E
U.S...AN EAST COAST UPPER TROF REDEVELOPS BY THURSDAY AS A DEEP
LAYER RIDGE STRENGTHENS OVER THE W CENT U.S.. THURSDAY LOOKS TO BE
THE WETTEST DAY OF THE PERIOD AS THE RETURN OF A MID AN UPPER
LEVEL TROF COINCIDES WITH DEEP LAYER MOISTURE. HAVE MAINTAINED THE
TREND OF CLIMO TO SLIGHTLY ABOVE CLIMO POPS FOR DIURNALLY
CONVECTION...FOCUSING WITHIN THE SEA BREEZE TROF AND SYNOPTIC
SCALE LEE TROF...NEAR AND JUST INLAND OF THE ATLC COAST. MODELS
BEGIN TO DIFFER AFTER THURSDAY WITH TIMING OF MUCH DRIER AIR
MOVING INTO THE REGION FROM THE WNW AS A DEEP LAYER RIDGE BUILDS
EASTWARD OVER THE OH RIVER VALLEY AND MID ATLC COAST. HAVE TRENDED
POPS DOWNWARD BEGINNING FRI...WITH THE HIGHEST POPS OVER THE
COASTAL AND SOUTHERN REGIONS. ALTHOUGH THE MODELS INDICATE VERY
DRY CONDITIONS FOR SAT...FORECAST IS STILL ABOVE GUIDANCE...GIVEN
THIS SEEMS TO BE THE FIRST RUN SHOWING A SIGNIFICANT LOWERING OF
THE MEAN RH. THE RIDGE SLOWLY MOVES EASTWARD...GENERALLY CENTERED
OVER THE REGION FOR SUNDAY AND MONDAY. HAVE GONE WITH ONLY 20-30
PERCENT POPS SAT-MON...WHICH MAY BE TOO HIGH IF RECENT DRIER
MODEL TRENDS CONTINUE.

&&

.AVIATION /18Z TUESDAY THROUGH SUNDAY/...
SCATTERED CONVECTION DEVELOPED ACROSS THE REGION AROUND NOONTIME.
EXPECT CURRENT SHOWERS AND WEAK THUNDERSTORMS TO EVENTUALLY
INTENSIFY INTO MODERATE THUNDERSTORMS DURING THE NEXT FEW HOURS.
HAVE INCLUDED TEMPO GROUPS AT BOTH TAF SITES TO INDICATE THUNDERSTORMS
AFFECTING THE TERMINALS THROUGH THE LATE AFTERNOON HOURS. THERE
CONTINUES TO BE SOME UNCERTAINTY REGARDING TIMING AND
DURATION OF THUNDERSTORMS...CONSIDERING THE MORE RANDOM NATURE OF
DIURNAL SUMMERTIME CONVECTION. EXPECT PREVAILING SCATTERED VFR
CLOUDS THROUGH THE AFTERNOON...WITH BRIEF BROKEN MVFR CEILINGS AND
VSBYS POSSIBLE WITHIN ANY CONVECTION.

SOUTHWEST WINDS WILL BACK TO THE SOUTH AND INCREASE SLIGHTLY AS
THE SEABREEZE DEVELOPS THIS AFTERNOON.

INTENSITY AND COVERAGE OF CONVECTION WILL DIMINISH AROUND SUNSET
WITH THE LOSS OF DAYTIME HEATING AND INSTABILITY. A FEW MID LEVEL
CLOUDS MAY LINGER INTO THE EVENING...BEFORE GRADUALLY CLEARING
OVERNIGHT. EXPECT A SIMILAR CONVECTIVE SCENARIO FOR WEDNESDAY...WITH
SCATTERED CUMULUS INCREASING ACROSS THE AREA BY MID TO LATE MORNING.

EXTENDED AVIATION OUTLOOK...EXPECT SCATTERED AFTERNOON AND EVENING
CONVECTION FOR THURS...WITH MVFR TO ISOLATED IFR CONDITIONS POSSIBLE
WITHIN ANY THUNDERSTORMS. A LITTLE LESS COVERAGE EXPECTED ON
FRIDAY...WITH ISOLATED TO SCATTERED AFTERNOON SHOWERS/TSTMS AND MVFR
CONDITIONS POSSIBLE. EXPECT MUCH LOWER CHANCES FOR SHOWERS/TSTMS
SAT THROUGH MON WITH GENERALLY VFR CONDITIONS.

&&

.MARINE...
NO CHANGE IN THE SOUTHERLY FLOW REGIME THROUGH WEDNESDAY. DECENT
SEA BREEZE SURGES ARE LIKELY IN THE CHARLESTON HARBOR AND ALONG
THE LAND/SEA INTERFACE DURING THE AFTERNOONS WITH A BRIEF
NOCTURNAL SURGE OFFSHORE IN THE EVENING. COULD SEE WINDS BRIEFLY
REACH 15-20 KT DURING EACH SURGE.

WEDNESDAY NIGHT THROUGH SATURDAY...NO SIGNIFICANT CONCERNS. SHOULD
SEE THE TYPICAL INCREASE/SURGE IN WIND SPEEDS DURING THE LATER
AFTERNOON/EVENING OF 15-20 KT FOR THURSDAY AND POSSIBLY FRI. FOR
SAT-MON...A DEEP LAYER RIDGE WILL SLOWLY SETTLE OVER THE REGION
WITH WINDS 15 KT OR LESS AND SEAS 3 FT OR LESS.

&&

.CHS WATCHES/WARNINGS/ADVISORIES...
GA...NONE.
SC...HEAT ADVISORY UNTIL 7 PM EDT THIS EVENING FOR SCZ045-048>051.
MARINE...NONE.

&&
Hazardous weather outlook, Jul 29, 4:25 AM EDT, 11 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHARLESTON SC
425 AM EDT TUE JUL 29 2008

AMZ330-350-352-354-374-301000-
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 EXTENDING FROM 20 TO
60 NM-
425 AM EDT TUE JUL 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS.

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED.

GAZ087-088-099>101-114>119-137>141-SCZ040-042>044-047-301000-
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-INLAND JASPER-
425 AM EDT TUE JUL 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND
SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

SEVERE THUNDERSTORMS...SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DEVELOP ACROSS MUCH OF SOUTHEAST SOUTH CAROLINA AND
SOUTHEAST GEORGIA THIS AFTERNOON. A FEW OF THE STRONGER THUNDERSTORMS
MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. LOCALLY
HEAVY RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO
POSSIBLE WITH ANY THUNDERSTORMS THAT DEVELOP TODAY. THUNDERSTORM
ACTIVITY WILL CONTINUE INTO THIS EVENING BEFORE SLOWLY
DISSIPATING.

PEOPLE ACROSS SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA
SHOULD REMAIN ALERT FOR THUNDERSTORMS TODAY. BE PREPARED TO TAKE
IMMEDIATE ACTION SHOULD THREATENING WEATHER APPROACH YOUR LOCATION
OF IF A SEVERE THUNDERSTORM WARNING IS ISSUED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.
EXCESSIVE HEAT...HIGH TEMPERATURES IN THE 90S AND HIGH HUMIDITY
COULD RESULT IN HEAT INDICES IN EXCESS OF 105 DEGREES OVER MUCH OF
SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA WEDNESDAY THROUGH
SATURDAY. HEAT ADVISORIES MAY EVENTUALLY BE ISSUED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

SCZ045-048>051-301000-
BERKELEY-BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER-
425 AM EDT TUE JUL 29 2008

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   HEAT ADVISORY.

SEVERE THUNDERSTORMS...SCATTERED SHOWERS AND THUNDERSTORMS ARE
EXPECTED TO DEVELOP ACROSS MUCH OF SOUTHEAST SOUTH CAROLINA AND
SOUTHEAST GEORGIA THIS AFTERNOON. A FEW OF THE STRONGER THUNDERSTORMS
MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS. LOCALLY
HEAVY RAINFALL AND FREQUENT CLOUD TO GROUND LIGHTNING IS ALSO
POSSIBLE WITH ANY THUNDERSTORMS THAT DEVELOP TODAY. THUNDERSTORM
ACTIVITY WILL CONTINUE INTO THIS EVENING BEFORE SLOWLY
DISSIPATING.

PEOPLE ACROSS SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA
SHOULD REMAIN ALERT FOR THUNDERSTORMS TODAY. BE PREPARED TO TAKE
IMMEDIATE ACTION SHOULD THREATENING WEATHER APPROACH YOUR LOCATION
OF IF A SEVERE THUNDERSTORM WARNING IS ISSUED.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

EXCESSIVE HEAT...HIGH TEMPERATURES IN THE 90S AND HIGH HUMIDITY
COULD RESULT IN HEAT INDICES IN EXCESS OF 105 DEGREES OVER MUCH OF
SOUTHEAST SOUTH CAROLINA AND SOUTHEAST GEORGIA WEDNESDAY THROUGH
SATURDAY. HEAT ADVISORIES MAY EVENTUALLY BE ISSUED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Jul 29, 3:11 PM EDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
311 PM EDT TUE JUL 29 2008

GAZ139-141-292000-
COASTAL LIBERTY-COASTAL MCINTOSH-
311 PM EDT TUE JUL 29 2008

...STRONG THUNDERSTORMS WILL IMPACT EXTREME SOUTHEASTERN LIBERTY AND
EAST CENTRAL MCINTOSH COUNTIES THROUGH 400 PM EDT...

AT 311 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING PEA SIZE HAIL...AND STRONG
WINDS OF 40 TO 50 MPH.  THIS STORM WAS LOCATED NEAR SAPELO ISLAND...
OR ABOUT 16 MILES NORTHEAST OF DARIEN...MOVING EAST AT 4 MPH.

AREAS IN AND AROUND SAPELO ISLAND AND SHELLMAN BLUFF WILL BE IMPACTED
THROUGH 400 PM EDT.

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE
AT 1-888-383-2024 IF YOU OBSERVE SEVERE WEATHER SUCH AS HAIL...DOWNED
TREES...LIMBS AND POWER LINES.
Special weather statement, Jul 29, 3:22 PM EDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
322 PM EDT TUE JUL 29 2008

SCZ048-051-292000-
BEAUFORT-COASTAL JASPER-
322 PM EDT TUE JUL 29 2008

...STRONG THUNDERSTORMS WILL IMPACT EXTREME EAST CENTRAL JASPER AND
BEAUFORT COUNTIES THROUGH 400 PM EDT...

AT 322 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING STRONG WINDS OF 45 TO 55
MPH.  THIS STORM WAS LOCATED NEAR BLUFFTON...OR ABOUT OVER HILTON
HEAD ISLAND...MOVING NORTHEAST AT 20 MPH.

AREAS IN AND AROUND BLUFFTON...FOLLY FIELD...FOREST BEACH...HILTON
HEAD ISLAND...PARRIS ISLAND...PORT ROYAL...BEAUFORT...HILTON HEAD
AIRPORT AND MARINE CORPS AIR STATION WILL BE IMPACTED THROUGH 400 PM
EDT.

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE
AT 1-888-383-2024 IF YOU OBSERVE SEVERE WEATHER SUCH AS HAIL...DOWNED
TREES...LIMBS AND POWER LINES.
Special weather statement, Jul 29, 3:56 PM EDT, 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
356 PM EDT TUE JUL 29 2008

GAZ119-138>141-292030-
COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH-INLAND
LIBERTY-INLAND MCINTOSH-
356 PM EDT TUE JUL 29 2008

...STRONG THUNDERSTORMS WILL IMPACT EXTREME SOUTH CENTRAL CHATHAM...
SOUTHEASTERN LIBERTY AND EASTERN MCINTOSH COUNTIES THROUGH 430 PM
EDT...

AT 356 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING STRONG WINDS OF 45
TO 55 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
LECOUNT TO VALONA TO DARIEN... MOVING EAST AT 20 MPH.

AREAS IN AND AROUND CARNIGAN...CRESCENT...DARIEN...EULONIA...HALFMOON
LANDING...MERIDIAN...PINE HARBOR...RETREAT...RIDGEVILLE...SAPELO
ISLAND...SHELLMAN BLUFF...SOUTH NEWPORT AND VALONA WILL BE IMPACTED
THROUGH 430 PM EDT.

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE
AT 1-888-383-2024 IF YOU OBSERVE SEVERE WEATHER SUCH AS HAIL...DOWNED
TREES...LIMBS AND POWER LINES.
Special weather statement, Jul 29, 3:59 PM EDT, 24 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
359 PM EDT TUE JUL 29 2008

SCZ044-045-050-292045-
BERKELEY-CHARLESTON-DORCHESTER-
359 PM EDT TUE JUL 29 2008

...STRONG THUNDERSTORMS WILL IMPACT CENTRAL CHARLESTON...SOUTHEASTERN
DORCHESTER AND SOUTH CENTRAL BERKELEY COUNTIES THROUGH 445 PM EDT...

AT 359 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM CAPABLE OF PRODUCING STRONG WINDS OF 45 TO 55
MPH.  THIS STORM WAS LOCATED NEAR SHADOWMOSS...OR ABOUT 9 MILES SOUTH
OF GOOSE CREEK...MOVING NORTH AT 3 MPH.

AREAS IN AND AROUND CHARLESTON...CHARLESTON AIRPORT...GOOSE CREEK...
HANAHAN...LADSON...NORTH CHARLESTON...SHADOWMOSS AND WEST ASHLEY WILL
BE IMPACTED THROUGH 445 PM EDT.

FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS. IF INDOORS...STAY
AWAY FROM WINDOWS AND DOORS. AVOID USING TELEPHONES UNLESS IT IS AN
EMERGENCY.

PLEASE CONTACT THE NATIONAL WEATHER SERVICE IN CHARLESTON TOLL FREE
AT 1-888-383-2024 IF YOU OBSERVE SEVERE WEATHER SUCH AS HAIL...DOWNED
TREES...LIMBS AND POWER LINES.
Special weather statement, Jul 29, 4:20 PM EDT, 3 minutes before
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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 8:15 PM EDTAreal Flood AdvisoryCHSDorchester42 min
Jul 29, 3:59 AM EDTHeat AdvisoryCHSBerkeley14 hr
Jul 29, 6:35 AM EDTSpecial Marine WarningCHS55 min
Jul 29, 7:16 AM EDTSpecial Marine WarningCHS89 min
Jul 29, 3:48 PM EDTSpecial Marine WarningCHS63 min
Jul 29, 4:15 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston, Colleton, Dorchester45 min
Jul 29, 4:41 PM EDTFlash Flood WarningCHSCharleston, Dorchester93 min
Jul 29, 5:00 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston, Colleton, Dorchester45 min
Jul 29, 5:32 PM EDTAreal Flood AdvisoryCHSBerkeley, Charleston, Dorchester37 min
Jul 29, 5:57 PM EDTHeat AdvisoryCHSBerkeley22 hr

Nearby

Severe Thunderstorm Warnings in Georgia, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.