Alert archive / South Carolina / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 109, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Aug 14, 2013, 5:07 PM EDT for Beaufort County, Colleton County, Jasper County, South Carolina. It was in force for 53 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 14, 2013, 5:07 PM EDT (21:07 UTC)
- Expired
- Aug 14, 2013, 6:00 PM EDT
- In force
- 53 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Beaufort County, SC, Colleton County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 27 km from the middle of the area, began a volume at 21:08 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, 9.1 hours before the alert went out and 84 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
- 1304 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 777 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 45 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 14, 3:50 PM EDT, 1 hour 17 minutes earlier.
Area forecast discussion, Aug 14, 3:50 PM EDT, 1 hour 17 minutes before
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</html>Hazardous weather outlook, Aug 14, 4:00 PM EDT, 1 hour 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHARLESTON SC 400 PM EDT WED AUG 14 2013 SCZ044-045-050-052-151000- DORCHESTER-INLAND BERKELEY-CHARLESTON-TIDAL BERKELEY- 400 PM EDT WED AUG 14 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. HEAVY RAIN...WIDESPREAD SHOWERS AND THUNDERSTORMS THROUGH THIS EVENING WILL BE CAPABLE OF PRODUCING HEAVY RAINFALL AND LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HEAVY RAIN...A COLD FRONT WILL STALL ACROSS THE REGION ON THURSDAY AND LINGER THROUGH THE UPCOMING WEEKEND. PERIODS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED DURING THIS TIME. LOCALLY HEAVY RAINFALL AND FLASH FLOODING COULD OCCUR FROM THURSDAY INTO THE WEEKEND...AND FLASH FLOOD WATCHES AND WARNINGS MAY EVENTUALLY BE NECESSARY. .SPOTTER INFORMATION STATEMENT... REPORTS OF FLOODING CAN BE SENT TO THE NATIONAL WEATHER SERVICE IN CHARLESTON AT 1-888-383-2024. YOU CAN ALSO EMAIL YOUR REPORT TO CHS.SKYWARN@NOAA.GOV OR SEND A TWEET TO @NWSCHARLESTONSC. AMZ330-350-352-354-374-151000- 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- 400 PM EDT WED AUG 14 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR ATLANTIC COASTAL WATERS. .DAY ONE...THIS AFTERNOON AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ASSISTANCE IS NOT ANTICIPATED AT THIS TIME. GAZ087-088-099>101-114>119-137>141-SCZ040-042-043-047>049-051-151000- 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-INLAND JASPER-BEAUFORT- COASTAL COLLETON-COASTAL JASPER- 400 PM EDT WED AUG 14 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT. SEVERE THUNDERSTORMS...A FEW SEVERE STORMS ARE POSSIBLE INTO THIS EVENING AHEAD OF A SOUTHWARD MOVNING COLD FRONT. DAMAGING WINDS WILL BE THE MAIN HAZARD...ALTHOUGH EXCESSIVE CLOUD TO GROUND LIGHTNING IS ALSO EXPECTED. HEAVY RAIN...WIDESPREAD SHOWERS AND THUNDERSTORMS THROUGH THIS EVENING WILL BE CAPABLE OF PRODUCING HEAVY RAINFALL AND LOCALIZED FLASH FLOODING. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. HEAVY RAIN...A COLD FRONT WILL STALL ACROSS THE REGION ON THURSDAY AND LINGER THROUGH THE UPCOMING WEEKEND. PERIODS OF SHOWERS AND THUNDERSTORMS ARE EXPECTED DURING THIS TIME. LOCALLY HEAVY RAINFALL AND FLASH FLOODING COULD OCCUR FROM THURSDAY INTO THE WEEKEND...AND FLASH FLOOD WATCHES AND WARNINGS MAY EVENTUALLY BE NECESSARY. .SPOTTER INFORMATION STATEMENT... REPORTS OF FLOODING...WIND DAMAGE OR HAIL CAN BE SENT TO THE NATIONAL WEATHER SERVICE IN CHARLESTON AT 1-888-383-2024. YOU CAN ALSO EMAIL YOUR REPORT TO CHS.SKYWARN@NOAA.GOV OR SEND A TWEET TO @NWSCHARLESTONSC.
In the hours before
Local storm report, Aug 14, 4:32 PM EDT, 35 minutes before
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</html>Local storm report, Aug 14, 4:36 PM EDT, 31 minutes before
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</html>Local storm report, Aug 14, 4:48 PM EDT, 19 minutes before
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</html>Local storm report, Aug 14, 4:51 PM EDT, 16 minutes before
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</html>Special weather statement, Aug 14, 4:53 PM EDT, 14 minutes before
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</html>Special weather statement, Aug 14, 5:02 PM EDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
502 PM EDT WED AUG 14 2013
SCZ042-043-047>049-051-142130-
BEAUFORT-COASTAL COLLETON-COASTAL JASPER-HAMPTON-INLAND
COLLETON-INLAND JASPER-
502 PM EDT WED AUG 14 2013
...STRONG THUNDERSTORMS WILL IMPACT PORTIONS OF EFFINGHAM...
HAMPTON...JASPER...COLLETON AND BEAUFORT COUNTIES THROUGH 530 PM
EDT...
AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS...ALONG A LINE EXTENDING FROM BLAKE TO
TILLMAN...MOVING SOUTHEAST AT 20 MPH.
SOME LOCATIONS THAT WILL BE AFFECTED INCLUDE...
BASHAN...TILLMAN...RICETOWN...GREEN POND...NEMOURS PLANTATION...
MITCHELLVILLE...GRAHAMVILLE...SWITZERLAND...MURAD...
PREPARE NOW FOR THE FOLLOWING HAZARDS...
STRONG WINDS OF 45 TO 55 MPH...
DIME SIZE HAIL...
FREQUENT CLOUD TO GROUND LIGHTNING...
TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD DITCHES AND LOW-LYING AREAS. REDUCE VEHICLE SPEED TO LOWER THE
RISK OF HYDROPLANING. DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE
ROAD. SEEK AN ALTERNATE ROUTE.
BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS AS STORMS APPROACH.
BE READY TO TAKE IMMEDIATE ACTION IN CASE A SEVERE THUNDERSTORM
WARNING IS ISSUED FOR YOUR LOCATION.
&&
LAT...LON 3286 8074 3267 8047 3222 8108 3233 8114
3234 8113 3235 8115 3245 8120 3246 8119
3248 8121 3261 8128
TIME...MOT...LOC 2102Z 308DEG 17KT 3268 8071 3243 8116The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 9:22 PM EDT | Special Marine Warning | CHS | 83 min | |
| Aug 13, 10:42 PM EDT | Special Marine Warning | CHS | 2 hr | |
| Aug 14, 12:27 PM EDT | Areal Flood Advisory | CHS | Berkeley, Charleston | 93 min |
| Aug 14, 1:51 PM EDT | Areal Flood Advisory | CHS | Berkeley, Charleston | 84 min |
| Aug 14, 2:00 PM EDT | Special Marine Warning | CHS | 90 min | |
| Aug 14, 2:23 PM EDT | Flash Flood Warning | CHS | Berkeley, Charleston | 4 hr |
| Aug 14, 3:22 PM EDT | Areal Flood Advisory | CHS | Berkeley, Charleston | 83 min |
| Aug 14, 3:29 PM EDT | Areal Flood Advisory | CHS | Charleston | 91 min |
| Aug 14, 3:44 PM EDT | Areal Flood Advisory | CHS | Allendale, Hampton | 91 min |
| Aug 14, 3:46 PM EDT | Special Weather Statement | CHS | Hampton | 29 min |
| Aug 14, 3:52 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Hampton | 53 min |
| Aug 14, 4:22 PM EDT | Areal Flood Advisory | CHS | Charleston, Colleton | 83 min |
| Aug 14, 4:26 PM EDT | Special Weather Statement | CHS | Hampton | 34 min |
| Aug 14, 5:02 PM EDT | Special Weather Statement | CHS | Jasper | 28 min |
| Aug 14, 5:03 PM EDT | Areal Flood Advisory | CHS | Beaufort, Colleton, Hampton, Jasper | 87 min |
| Aug 14, 5:35 PM EDT | Special Marine Warning | CHS | 115 min | |
| Aug 14, 5:39 PM EDT | Areal Flood Advisory | CHS | Beaufort, Charleston, Colleton, Jasper | 111 min |
| Aug 14, 6:02 PM EDT | Special Weather Statement | CHS | Beaufort | 43 min |
| Aug 14, 7:20 PM EDT | Special Marine Warning | CHS | 115 min | |
| Aug 13, 8:04 PM EDT | Special Weather Statement | CHS | McIntosh | 26 min |
| Aug 13, 8:50 PM EDT | Special Weather Statement | CHS | Chatham, Liberty, McIntosh | 25 min |
| Aug 13, 9:20 PM EDT | Special Weather Statement | CHS | Chatham | 25 min |
| Aug 13, 9:42 PM EDT | Special Weather Statement | CHS | Chatham | 33 min |
| Aug 14, 3:57 PM EDT | Special Weather Statement | CHS | Effingham | 33 min |
| Aug 14, 4:53 PM EDT | Special Weather Statement | CHS | Evans, Tattnall | 52 min |
| Aug 14, 5:25 PM EDT | Special Weather Statement | CHS | Effingham | 35 min |
| Aug 14, 6:35 PM EDT | Areal Flood Advisory | CHS | Evans, Tattnall | 3 hr |
| Aug 14, 6:55 PM EDT | Areal Flood Advisory | CHS | Chatham | 50 min |
| Aug 14, 7:28 PM EDT | Special Weather Statement | CHS | Liberty, Long, McIntosh | 62 min |
| Aug 14, 7:39 PM EDT | Severe Thunderstorm Warning | CHS | McIntosh | 66 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2013Every severe thunderstorm warning in 2013
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.