Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 39, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Mar 24, 2012, 10:03 PM EDT for Allendale County, Hampton County, Jasper County, South Carolina; Effingham County, Screven County, Georgia. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 24, 2012, 10:03 PM EDT (02:03 UTC)
- Expired
- Mar 24, 2012, 11:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Effingham County, GA, Screven County, GA, Allendale County, SC, Hampton County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 19 km from the middle of the area, began a volume at 02:04 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 24, 8:43 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 2.1 hours before the alert went out and 119 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
- 218 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 911 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 205 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
683
WUUS52 KCHS 250203
SVRCHS
GAC103-251-SCC005-049-053-250300-
/O.NEW.KCHS.SV.W.0039.120325T0203Z-120325T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
1003 PM EDT SAT MAR 24 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
EXTREME EAST CENTRAL SCREVEN COUNTY IN SOUTHEAST GEORGIA...
SOUTH CENTRAL ALLENDALE COUNTY IN SOUTHEAST SOUTH CAROLINA...
HAMPTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTHWESTERN JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 1100 PM EDT
* AT 1003 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM 8 MILES WEST OF
ESTILL TO EGYPT...MOVING EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
* SOME LOCATIONS IN THE WARNING INCLUDE...
EGYPT...SHAWNEE...LURAY...GIFFORD...LAKE WARREN STATE PARK...
LENA...HAMPTON...BRUNSON...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024.
&&
LAT...LON 3243 8154 3274 8116 3275 8146 3293 8132
3293 8100 3291 8099 3283 8090 3272 8085
3244 8110 3239 8153 3242 8154
TIME...MOT...LOC 0203Z 251DEG 33KT 3275 8134 3263 8146
3250 8149
$$4 follow-up statements
068
WWUS52 KCHS 250214
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1014 PM EDT SAT MAR 24 2012
GAC103-251-SCC005-049-053-250300-
/O.CON.KCHS.SV.W.0039.000000T0000Z-120325T0300Z/
SCREVEN GA-ALLENDALE SC-EFFINGHAM GA-HAMPTON SC-JASPER SC-
1014 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN JASPER...HAMPTON...NORTHERN EFFINGHAM...SOUTH
CENTRAL ALLENDALE AND EXTREME EAST CENTRAL SCREVEN COUNTIES...
AT 1014 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
ESTILL TO BRIGHTON TO ARDMORE...MOVING EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO THE SIZE OF HALF DOLLARS...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CLYO...
EGYPT...SHAWNEE...ALMEDA INTERSECTION...BARTON...BRUNSON...
CROCKETVILLE...CUMMINGS...EARLY BRANCH...ESTILL...FURMAN...GARNETT...
GIFFORD...GILLISONVILLE...GRAYS...HAMPTON...LAKE WARREN STATE PARK...
LENA...LURAY...MCPHERSONVILLE...PINELAND...ROBERTVILLE...TARBORO...
TILLMAN AND VARNVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3243 8154 3274 8116 3275 8146 3293 8132
3293 8100 3291 8099 3283 8090 3272 8085
3244 8110 3239 8153 3242 8154
TIME...MOT...LOC 0214Z 251DEG 33KT 3278 8123 3267 8129
3253 8138
$$361
WWUS52 KCHS 250226
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1026 PM EDT SAT MAR 24 2012
GAC251-SCC005-250237-
/O.CAN.KCHS.SV.W.0039.000000T0000Z-120325T0300Z/
SCREVEN GA-ALLENDALE SC-
1026 PM EDT SAT MAR 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL ALLENDALE AND
EXTREME EAST CENTRAL SCREVEN COUNTIES HAS BEEN CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SUNDAY
MORNING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3274 8116 3275 8133 3291 8118 3293 8100
3290 8099 3283 8090 3272 8085 3244 8110
3251 8143
TIME...MOT...LOC 0227Z 251DEG 33KT 3282 8112 3271 8116
3253 8123
$$
GAC103-SCC049-053-250300-
/O.CON.KCHS.SV.W.0039.000000T0000Z-120325T0300Z/
EFFINGHAM GA-HAMPTON SC-JASPER SC-
1026 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN JASPER...HAMPTON AND NORTH CENTRAL EFFINGHAM
COUNTIES...
AT 1027 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
LAKE WARREN STATE PARK TO FURMAN TO TUCKASEE KING...MOVING EAST AT 40
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CLYO...
ALMEDA INTERSECTION...CROCKETVILLE...CUMMINGS...EARLY BRANCH...
ESTILL...FURMAN...GARNETT...GILLISONVILLE...GRAYS...HAMPTON...LAKE
WARREN STATE PARK...LENA...LURAY...MCPHERSONVILLE...PINELAND...
ROBERTVILLE...TARBORO...TILLMAN AND VARNVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3274 8116 3275 8133 3291 8118 3293 8100
3290 8099 3283 8090 3272 8085 3244 8110
3251 8143
TIME...MOT...LOC 0227Z 251DEG 33KT 3282 8112 3271 8116
3253 8123
$$834
WWUS52 KCHS 250240
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1040 PM EDT SAT MAR 24 2012
GAC103-250250-
/O.CAN.KCHS.SV.W.0039.000000T0000Z-120325T0300Z/
EFFINGHAM GA-
1040 PM EDT SAT MAR 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL EFFINGHAM COUNTY
HAS BEEN CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM EDT SUNDAY
MORNING FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3274 8116 3285 8108 3290 8099 3283 8090
3272 8085 3248 8106 3254 8122
TIME...MOT...LOC 0240Z 251DEG 33KT 3281 8099 3273 8102
3256 8109
$$
SCC049-053-250300-
/O.CON.KCHS.SV.W.0039.000000T0000Z-120325T0300Z/
HAMPTON SC-JASPER SC-
1040 PM EDT SAT MAR 24 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM EDT
FOR NORTHWESTERN JASPER AND EASTERN HAMPTON COUNTIES...
AT 1040 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
CAMP BRANCH TO GRAYS TO TARBORO...MOVING EAST AT 40 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...ALMEDA
INTERSECTION...CUMMINGS...EARLY BRANCH...GILLISONVILLE...GRAYS...
MCPHERSONVILLE...PINELAND...ROBERTVILLE...TARBORO AND VARNVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3274 8116 3285 8108 3290 8099 3283 8090
3272 8085 3248 8106 3254 8122
TIME...MOT...LOC 0240Z 251DEG 33KT 3281 8099 3273 8102
3256 8109
$$485
WWUS52 KCHS 250251
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
1051 PM EDT SAT MAR 24 2012
SCC049-053-250301-
/O.EXP.KCHS.SV.W.0039.000000T0000Z-120325T0300Z/
HAMPTON SC-JASPER SC-
1051 PM EDT SAT MAR 24 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN JASPER AND
EASTERN HAMPTON COUNTIES WILL EXPIRE AT 1100 PM EDT...
AT 1051 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
LAT...LON 3274 8116 3285 8108 3290 8099 3283 8090
3272 8085 3248 8106 3254 8122
TIME...MOT...LOC 0251Z 251DEG 33KT 3284 8088 3276 8091
3259 8098
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 9:37 PM EDT | Severe Thunderstorm Warning | CHS | Hampton | 53 min |
| Mar 24, 10:30 PM EDT | Special Weather Statement | CHS | Orangeburg | 30 min |
| Mar 24, 10:53 PM EDT | Special Weather Statement | CHS | Dorchester | 22 min |
| Mar 24, 11:19 PM EDT | Special Weather Statement | CHS | Berkeley | 26 min |
| Mar 25, 1:49 PM EDT | Special Weather Statement | CHS | Berkeley | 56 min |
| Mar 25, 4:08 PM EDT | Special Weather Statement | CHS | Berkeley | 22 min |
| Mar 24, 8:51 PM EDT | Special Weather Statement | CHS | Candler | 24 min |
| Mar 24, 9:16 PM EDT | Special Weather Statement | CHS | Bulloch, Candler, Screven | 29 min |
| Mar 24, 10:11 PM EDT | Special Weather Statement | CHS | Candler | 34 min |
| Mar 25, 12:13 AM EDT | Special Weather Statement | CHS | Bryan | 32 min |
| Mar 25, 1:31 AM EDT | Special Marine Warning | CHS | 89 min | |
| Mar 25, 12:39 PM EDT | Small Craft Advisory | CHS | 5 hr |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2012Severe Thunderstorm Warnings in Georgia, 2012Every severe thunderstorm warning in 2012
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.