Alert archive / South Carolina / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 117, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Aug 18, 2005, 5:38 PM EDT for Charleston County, Colleton County, South Carolina. It was in force for 37 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 18, 2005, 5:38 PM EDT (21:38 UTC)
- Expired
- Aug 18, 2005, 6:15 PM EDT
- In force
- 37 min
- Issued by
- NWS Charleston, SC
- Area
- Counties, with a storm outline in the text
Counties Charleston County, SC, Colleton County, SC
The radar
The Charleston,SC radar (KCLX), 72 km from the middle of the area, began a volume at 21:40 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, 9.6 hours before the alert went out and 30 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
- 1014 J/kg
- Mixed-layer CIN
- -56 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 18, 3:40 PM EDT, 1 hour 58 minutes earlier.
Area forecast discussion, Aug 18, 3:40 PM EDT, 1 hour 58 minutes before
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</html>Hazardous weather outlook, Aug 18, 4:50 AM EDT, 12 hours 48 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 450 AM EDT THU AUG 18 2005 AMZ330-350-352-354-374-GAZ087-088-099>101-114>119-137>141-SCZ040- 042>045-047>051-191000- 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-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- 450 AM EDT THU AUG 18 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA... SOUTHEAST GEORGIA AND THE ADJACENT COASTAL WATERS FROM THE SOUTH SANTEE RIVER SOUTH CAROLINA TO ALTAMAHA SOUND GEORGIA. .DAY ONE...TODAY AND TONIGHT. .HEAT INDICES...HIGHS IN THE 90S WITH HIGH HUMIDITY WILL RESULT IN HEAT INDEX VALUES OF 105 TO 110 ACROSS SOUTHEAST GEORGIA AND EXTREME SOUTHERN SOUTH CAROLINA THIS AFTERNOON. THEREFORE...A HEAT ADVISORY IS IN EFFECT FOR THOSE AREAS. REFER TO THE LATEST NON-PRECIPITATION STATEMENT FOR DETAILS. .STRONG THUNDERSTORMS...A FRONTAL BOUNDARY ACROSS THE AREA AND AFTERNOON HEATING WILL PROVIDE A FOCUS FOR CLUSTERS OF THUNDERSTORMS. A FEW OF THESE STORMS COULD BECOME STRONG WITH GUSTY WINDS TO 40 MPH...EXCESSIVE CLOUD-TO-GROUND LIGHTNING...SMALL HAIL AND TORRENTIAL RAINS. .RIVER FLOODING...RIVER FLOOD WARNINGS ARE IN EFFECT FOR THE SAVANNAH RIVER AT CLYO AND BURTONS FERRY...AND FOR THE OHOOPEE RIVER AT REIDSVILLE. PLEASE REFER TO THE LATEST RIVER FLOOD STATEMENT FOR ADDITIONAL INFORMATION. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. .HEAT INDICES...ANOTHER HEAT ADVISORY MAY BE REQUIRED FOR PORTIONS OF THE AREA ON FRIDAY DUE TO HIGHS IN THE LOWER 90S AND HIGH HUMIDITY VALUES. REFER TO THE LATEST FORECAST FOR DETAILS. .RIVER FLOODING...MINOR FLOODING WILL CONTINUE ALONG THE SAVANNAH RIVER AT CLYO AND BURTONS FERRY...AND FOR THE OHOOPEE RIVER AT REIDSVILLE. REFER TO THE LATEST RIVER FLOOD STATEMENT FOR ADDITIONAL INFORMATION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT. JRL
In the hours before
Special weather statement, Aug 18, 4:33 PM EDT, 1 hour 5 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 433 PM EDT THU AUG 18 2005 SCZ048-049-182100- BEAUFORT-COASTAL COLLETON- 433 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORMS WILL IMPACT BEAUFORT COUNTY AND COLLETON COUNTY THROUGH 500 PM EDT... AT 433 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 10 MILES NORTHEAST OF HUNTING ISLAND TO 4 MILES EAST OF FROGMORE...OR ALONG A LINE EXTENDING FROM EDISTO BEACH TO 9 MILES EAST OF BEAUFORT...MOVING SOUTHEAST AT 10 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND FROGMORE...FRIPP ISLAND AND HUNTING ISLAND THROUGH 500 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...VERY HEAVY RAINS WILL ALSO OCCUR...WITH UP TO 1 INCH OF RAIN IN LESS THAN AN HOURS TIME. MINOR FLOODING WILL RESULT. MOVE INSIDE A SAFE LOCATION IF STORMS APPROACH WHILE YOU ARE OUTSIDE. 33
Special weather statement, Aug 18, 4:36 PM EDT, 1 hour 2 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 436 PM EDT THU AUG 18 2005 SCZ044-050-182100- CHARLESTON-DORCHESTER- 436 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORMS WILL IMPACT DORCHESTER COUNTY AND CHARLESTON COUNTY THROUGH 500 PM EDT... AT 436 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 2 MILES EAST OF NORTH CHARLESTON TO GREGGS LANDING...OR ALONG A LINE EXTENDING FROM 5 MILES NORTH OF CHARLESTON TO 6 MILES SOUTH OF SUMMERVILLE...MOVING SOUTHWEST AT 10 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND WILSONVILLE...WILDWOOD...SCANLONVILLE...REMLEYS POINT...NORTH CHARLESTON...OAKBROOK...NORTHWOODS MALL...WEST ASHLEY...MIDLAND PARK...HOBCAW POINT AND HANAHAN THROUGH 500 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...VERY HEAVY RAINS WILL ALSO OCCUR...WITH UP TO 1 INCH OF RAIN IN LESS THAN AN HOURS TIME. MINOR FLOODING WILL RESULT. MOVE INSIDE A SAFE LOCATION IF STORMS APPROACH WHILE YOU ARE OUTSIDE. 33
Special weather statement, Aug 18, 4:39 PM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 439 PM EDT THU AUG 18 2005 GAZ117-137>141-182130- COASTAL BRYAN-COASTAL LIBERTY-COASTAL MCINTOSH-INLAND LIBERTY-INLAND MCINTOSH-LONG- 439 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORMS WILL IMPACT LONG COUNTY...MCINTOSH COUNTY... BRYAN COUNTY AND LIBERTY COUNTY THROUGH 530 PM EDT... AT 439 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 7 MILES EAST OF SUNBURY TO 7 MILES SOUTHWEST OF LUDOWICI...OR ALONG A LINE EXTENDING FROM 13 MILES SOUTHEAST OF RICHMOND HILL TO 5 MILES EAST OF JESUP...MOVING SOUTHEAST AT 10 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND SUNBURY...SCREVEN FORK...RICEBORO...LUDOWICI...CROSSROADS... SEABROOK...RETREAT...LECOUNT...HALFMOON LANDING AND JONES THROUGH 530 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...VERY HEAVY RAINS MAY ALSO OCCUR...WITH UP TO 1 INCH OF RAIN IN LESS THAN AN HOURS TIME. MINOR FLOODING WILL RESULT. MOVE INSIDE A SAFE LOCATION IF STORMS APPROACH WHILE YOU ARE OUTSIDE. 33
Special weather statement, Aug 18, 4:56 PM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 456 PM EDT THU AUG 18 2005 SCZ044-050-182130- CHARLESTON-DORCHESTER- 456 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORMS WILL IMPACT DORCHESTER COUNTY AND CHARLESTON COUNTY THROUGH 530 PM EDT... AT 456 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF DELEMAR CROSSROADS TO WEST ASHLEY...OR ALONG A LINE EXTENDING FROM 9 MILES SOUTH OF SUMMERVILLE TO 5 MILES NORTHWEST OF CHARLESTON...MOVING SOUTHWEST AT 5 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND SOUTH WINDERMERE...SHADOWMOSS...SAINT ANDREWS...WEST ASHLEY... CITADEL MALL...STONO...CLUBHOUSE CROSSROADS...RED TOP AND RANTOWLES THROUGH 530 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...VERY HEAVY RAINS WILL ALSO OCCUR...WITH UP TO 1 INCH OF RAIN IN LESS THAN AN HOURS TIME. MINOR FLOODING WILL RESULT. MOVE INSIDE A SAFE LOCATION IF STORMS APPROACH WHILE YOU ARE OUTSIDE. 33
Special weather statement, Aug 18, 4:56 PM EDT, 42 minutes before
SPECIAL WEATHER STATEMENT...CORRECTED NATIONAL WEATHER SERVICE CHARLESTON SC 456 PM EDT THU AUG 18 2005 SCZ044-050-182130- CHARLESTON-DORCHESTER- 456 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORMS WILL IMPACT DORCHESTER COUNTY AND CHARLESTON COUNTY THROUGH 530 PM EDT... AT 456 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 6 MILES NORTHEAST OF DELEMAR CROSSROADS TO WEST ASHLEY...OR ALONG A LINE EXTENDING FROM 9 MILES SOUTH OF SUMMERVILLE TO 5 MILES NORTHWEST OF CHARLESTON...MOVING SOUTHWEST AT 5 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND SOUTH WINDERMERE...SHADOWMOSS...SAINT ANDREWS...WEST ASHLEY...CITADEL MALL...STONO...CLUBHOUSE CROSSROADS...RED TOP...RAVENEL...YONGES ISLAND AND RANTOWLES THROUGH 530 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 35 TO 45 MPH CAN BE EXPECTED. IN ADDITION...VERY HEAVY RAINS WILL ALSO OCCUR...WITH UP TO 1 INCH OF RAIN IN LESS THAN AN HOURS TIME. MINOR FLOODING WILL RESULT. MOVE INSIDE A SAFE LOCATION IF STORMS APPROACH WHILE YOU ARE OUTSIDE. 33
Special weather statement, Aug 18, 5:27 PM EDT, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 527 PM EDT THU AUG 18 2005 SCZ050-182200- CHARLESTON- 527 PM EDT THU AUG 18 2005 ...STRONG THUNDERSTORMS WILL IMPACT CHARLESTON COUNTY THROUGH 600 PM EDT... AT 527 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A CLUSTER OF STRONG THUNDERSTORMS CENTERED ALONG A LINE EXTENDING FROM 2 MILES NORTHEAST OF CAPWELLS CROSSROADS TO 3 MILES SOUTHEAST OF RANTOWLES...OR ALONG A LINE EXTENDING FROM 15 MILES SOUTH OF SUMMERVILLE TO 11 MILES WEST OF CHARLESTON...MOVING SOUTHWEST AT 5 MPH. THIS CLUSTER OF STRONG THUNDERSTORMS WILL AFFECT AREAS IN AND AROUND RANTOWLES...BERRY HILL...JOHNS ISLAND...FENWICK CROSSROADS...ADAMS RUN...CAPWELLS CROSSROADS...RAVENEL...JERICHO... HOLLYWOOD...BAPTIST HILL AND YONGES ISLAND THROUGH 600 PM EDT. HAIL UP TO ONE HALF INCH IN DIAMETER...EXCESSIVE CLOUD-TO-GROUND LIGHTNING AND GUSTY WINDS OF 45 TO 55 MPH CAN BE EXPECTED. IN ADDITION...VERY HEAVY RAINS WILL ALSO OCCUR...WITH UP TO 1 INCH OF RAIN IN LESS THAN AN HOURS TIME. MINOR FLOODING WILL RESULT. MOVE INSIDE A SAFE LOCATION IF STORMS APPROACH WHILE YOU ARE OUTSIDE. 33
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 4:34 PM EDT | Special Marine Warning | CHS | 56 min | |
| Aug 18, 4:55 PM EDT | Heat Advisory | CHS | Bulloch, Candler, Effingham, Evans, Jenkins, Long and 2 more | 27 hr |
| Aug 18, 6:21 PM EDT | Special Marine Warning | CHS | 40 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2005Every severe thunderstorm warning in 2005
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.