Alert archive / South Carolina / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 314, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Aug 23, 2008, 2:29 AM EDT for Beaufort County, Colleton County, Jasper County, South Carolina; Effingham County, Georgia. It was in force for 61 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
- Aug 23, 2008, 2:29 AM EDT (06:29 UTC)
- Expired
- Aug 23, 2008, 3:30 AM EDT
- In force
- 61 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Effingham County, GA, Beaufort County, SC, Colleton County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 21 km from the middle of the area, began a volume at 06:32 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 00:00Z, 6.5 hours before the alert went out and 98 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.
- Mixed-layer CAPE
- 532 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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 Aug 23, 1:55 AM EDT, 34 minutes earlier.
Area forecast discussion, Aug 23, 1:55 AM EDT, 34 minutes before
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</html>Hazardous weather outlook, Aug 22, 11:13 PM EDT, 3 hours 16 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE CHARLESTON SC 1113 PM EDT FRI AUG 22 2008 GAZ099>101-114>116-118-137-138-140-231000- CANDLER-BULLOCH-EFFINGHAM-TATTNALL-EVANS-INLAND BRYAN-INLAND CHATHAM- LONG-INLAND LIBERTY-INLAND MCINTOSH- 1113 PM EDT FRI AUG 22 2008 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. SEVERE WEATHER...ISOLATED TORNADOES WILL BE POSSIBLE WITHIN RAIN SQUALLS THAT MOVE ONSHORE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. HEAVY RAINFALL...OUTER RAIN BANDS FROM TROPICAL CYCLONE FAY WILL CONTINUE TO AFFECT THE AREA ON SATURDAY. HEAVY RAINFALL COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN POOR DRAINAGE AREAS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. GAZ117-119-139-141-231000- COASTAL BRYAN-COASTAL CHATHAM-COASTAL LIBERTY-COASTAL MCINTOSH- 1113 PM EDT FRI AUG 22 2008 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... ...WIND ADVISORY IN EFFECT UNTIL 5 AM EDT SATURDAY... ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT SATURDAY... ...MODERATE RISK FOR RIP CURRENTS IN EFFECT FROM 6 AM EDT SATURDAY THROUGH SATURDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. WIND ADVISORY. FLASH FLOOD WATCH. HIGH SURF ADVISORY. SEVERE WEATHER...ISOLATED TORNADOES WILL BE POSSIBLE WITHIN RAIN SQUALLS THAT MOVE ONSHORE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. MODERATE RISK FOR RIP CURRENTS. COASTAL FLOODING...SHALLOW COASTAL FLOODING IS POSSIBLE AROUND THE TIME OF HIGH TIDE EARLY SATURDAY AFTERNOON. HEAVY RAINFALL...OUTER RAIN BANDS FROM TROPICAL CYCLONE FAY WILL CONTINUE TO AFFECT THE AREA ON SATURDAY. HEAVY RAINFALL COULD RESULT IN LOCALIZED FLOODING...ESPECIALLY IN POOR DRAINAGE AREAS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ047-231000- INLAND JASPER- 1113 PM EDT FRI AUG 22 2008 ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. SEVERE WEATHER...ISOLATED TORNADOES WILL BE POSSIBLE WITHIN RAIN SQUALLS THAT MOVE ONSHORE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. SCZ048>051-231000- BEAUFORT-COASTAL COLLETON-CHARLESTON-COASTAL JASPER- 1113 PM EDT FRI AUG 22 2008 ...HIGH SURF ADVISORY IN EFFECT UNTIL 6 AM EDT SATURDAY... ...FLASH FLOOD WATCH IN EFFECT UNTIL 6 AM EDT SATURDAY... ...MODERATE RISK FOR RIP CURRENTS IN EFFECT FROM 6 AM EDT SATURDAY THROUGH SATURDAY AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. HIGH SURF ADVISORY. SEVERE WEATHER...ISOLATED TORNADOES WILL BE POSSIBLE WITHIN RAIN SQUALLS THAT MOVE ONSHORE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. MODERATE RISK FOR RIP CURRENTS. COASTAL FLOODING...SHALLOW COASTAL FLOODING IS POSSIBLE AROUND THE TIME OF HIGH TIDE EARLY SATURDAY AFTERNOON. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. GAZ087-088-SCZ040-042>045-231000- JENKINS-SCREVEN-ALLENDALE-HAMPTON-INLAND COLLETON-DORCHESTER- BERKELEY- 1113 PM EDT FRI AUG 22 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...TONIGHT. SEVERE WEATHER...ISOLATED TORNADOES WILL BE POSSIBLE WITHIN RAIN SQUALLS THAT MOVE ONSHORE. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ330-350-352-231000- 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- 1113 PM EDT FRI AUG 22 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. SEVERE WEATHER...ISOLATED WATERSPOUTS WILL BE POSSIBLE WITHIN RAIN SQUALLS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. AMZ354-374-231000- 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- 1113 PM EDT FRI AUG 22 2008 ...GALE WARNING IN EFFECT UNTIL 6 AM EDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. GALE WARNING. SEVERE WEATHER...ISOLATED WATERSPOUTS WILL BE POSSIBLE WITHIN RAIN SQUALLS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Aug 22, 11:27 PM EDT, 3 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
1127 PM EDT FRI AUG 22 2008
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1044 PM MARINE TSTM WIND 2 ENE FOLLY BEACH 32.68N 79.89W
08/22/2008 E38 MPH AMZ350 SC C-MAN STATION
REPORT FROM FBIS1 C-MAN SITE.
&&
33Special weather statement, Aug 23, 12:08 AM EDT, 2 hours 21 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 1208 AM EDT SAT AUG 23 2008 GAZ101-116-118-119-230500- COASTAL CHATHAM-EFFINGHAM-INLAND BRYAN-INLAND CHATHAM- 1208 AM EDT SAT AUG 23 2008 ...ANOTHER RAINBAND ASSOCIATED WITH TROPICAL STORM FAY MOVING ONSHORE... AT 1204 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF HEAVY SHOWERS CAPABLE OF PRODUCING GUSTY WINDS OF 35 TO 45 MPH. THESE SHOWERS WERE LOCATED ALONG A LINE EXTENDING FROM 12 MILES SOUTHEAST TO 6 MILES SOUTHWEST OF SAVANNAH...MOVING NORTHWEST AT 26 MPH. AREAS IN AND AROUND BLOOMINGDALE...BURROUGHS...EDEN...ELLABELL... GARDEN CITY...ISLE OF HOPE...LANIER...MELDRIM...POOLER...SANDFLY... SAVANNAH...SKIDAWAY ISLAND...THUNDERBOLT...VERNONBURG...WHITE BLUFF...WILMINGTON ISLAND...WINDSOR FOREST AND SAVANNAH AIRPORT WILL BE IMPACTED THROUGH 100 AM EDT. THERE HAS BEEN INDICATIONS OF WEAK ROTATION WITH A FEW OF THESE SHOWERS...AND THE SITUATION IS BEING CLOSELY MONITORED FOR A POSSIBLE TORNADO. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM WARNING OR TORNADO WARNING IS ISSUED FOR YOUR LOCATION. 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. 33
Special weather statement, Aug 23, 12:45 AM EDT, 1 hour 44 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 1245 AM EDT SAT AUG 23 2008 GAZ100-101-116-118-119-SCZ047-048-051-230545- BEAUFORT-BULLOCH-COASTAL CHATHAM-COASTAL JASPER-EFFINGHAM-INLAND BRYAN-INLAND CHATHAM-INLAND JASPER- 1245 AM EDT SAT AUG 23 2008 ...A RAINBAND ASSOCIATED WITH TROPICAL STORM FAY WILL IMPACT SOUTH CENTRAL JASPER...NORTHERN CHATHAM...SOUTHWESTERN BEAUFORT...NORTH CENTRAL BRYAN...BULLOCH AND SOUTHERN EFFINGHAM COUNTIES THROUGH 145 AM EDT... AT 1241 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A RAINBAND ASSOCIATED WITH TROPICAL STORM FAY AND CAPABLE OF PRODUCING STRONG WINDS OF 40 TO 50 MPH. THIS RAINBAND WAS LOCATED ALONG A LINE EXTENDING FROM SOMERSET TO TYBEE ISLAND...OR ALONG A LINE EXTENDING FROM STATESBORO TO 10 MILES EAST OF SAVANNAH...MOVING NORTHWEST AT 40 MPH. AREAS IN AND AROUND HARDEEVILLE...PRITCHARDVILLE...PURYSBURGH... BLITCHTON...BLOOMINGDALE...BROOKLET...DENMARK...EDEN...GARDEN CITY... GEORGIA SOUTHERN...GUYTON...HOPEULIKIT...LEEFIELD...MARLOW... MEINHARD...MELDRIM...MONTEITH...NEVILS...PINEORA...POOLER...PORT WENTWORTH...PORTAL...RINCON...RIVERSIDE...SPRINGFIELD...STATESBORO... STILSON...TYBEE ISLAND AND SAVANNAH AIRPORT WILL BE IMPACTED THROUGH 145 AM EDT. IN ADDITION THERE ARE SIGNS OF WEAK ROTATION WITH SOME OF THE HEAVIER RAIN SHOWERS WITHIN THE RAINBAND. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS THE RAINBAND APPROACHES. BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM WARNING OR TORNADO WARNING IS ISSUED FOR YOUR LOCATION. THIS RAINBAND IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY FLOOD DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD. 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. 33
Special weather statement, Aug 23, 1:36 AM EDT, 53 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 136 AM EDT SAT AUG 23 2008 SCZ043-044-230600- DORCHESTER-INLAND COLLETON- 136 AM EDT SAT AUG 23 2008 ...A HEAVY SHOWER WITH WEAK ROTATION WILL IMPACT CENTRAL COLLETON AND WEST CENTRAL DORCHESTER COUNTIES THROUGH 200 AM EDT... AT 132 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A HEAVY SHOWER WITH WEAK ROTATION CAPABLE OF PRODUCING GUSTY WINDS OF 35 TO 45 MPH. THIS SHOWER WAS LOCATED NEAR GLOVERVILLE...OR ABOUT 12 MILES EAST OF WALTERBORO...MOVING NORTHWEST AT 17 MPH. AREAS IN AND AROUND CANADYS...COTTAGEVILLE...GLOVERVILLE...ROUND O...THAYER AND WALTERBORO WILL BE IMPACTED THROUGH 200 AM EDT. BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH. BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM WARNING OR TORNADO WARNING IS ISSUED FOR YOUR LOCATION. 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. 33
Special weather statement, Aug 23, 1:53 AM EDT, 36 minutes before
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</html>Special weather statement, Aug 23, 2:23 AM EDT, 6 minutes before
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</html>The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 10:33 PM EDT | Special Marine Warning | CHS | 87 min | |
| Aug 23, 12:47 AM EDT | Special Marine Warning | CHS | 118 min | |
| Aug 23, 1:42 AM EDT | Tornado Warning | CHS | Colleton, Dorchester | 48 min |
| Aug 23, 2:45 AM EDT | Special Marine Warning | CHS | 72 min | |
| Aug 23, 7:37 AM EDT | Special Marine Warning | CHS | 113 min | |
| Aug 23, 10:07 AM EDT | Areal Flood Advisory | CHS | Beaufort, Charleston, Colleton, Hampton | 113 min |
| Aug 23, 11:05 AM EDT | Coastal Flood Statement | CHS | 9 hr | |
| Aug 23, 12:49 AM EDT | Tornado Warning | CHS | Bryan, Bulloch | 41 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2008Severe 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.