Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 33, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Mar 23, 2012, 6:55 PM EDT for Beaufort County, Hampton County, Jasper County, South Carolina; Effingham County, Georgia. It was in force for 33 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 23, 2012, 6:55 PM EDT (22:55 UTC)
- Expired
- Mar 23, 2012, 7:28 PM EDT
- In force
- 33 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Effingham County, GA, Beaufort County, SC, Hampton County, SC, Jasper County, SC
The radar
The Charleston,SC radar (KCLX), 5 km from the middle of the area, began a volume at 22:57 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, 10.9 hours before the alert went out and 101 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
- 392 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 587 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- -10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
048
WUUS52 KCHS 232255
SVRCHS
GAC103-SCC013-049-053-240000-
/O.NEW.KCHS.SV.W.0033.120323T2255Z-120324T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
655 PM EDT FRI MAR 23 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN EFFINGHAM COUNTY IN SOUTHEAST GEORGIA...
NORTHWESTERN BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...
HAMPTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTHERN JASPER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 800 PM EDT
* AT 655 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM FURMAN TO 14
MILES SOUTH OF TARBORO...MOVING EAST AT 20 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...
FURMAN...ROBERTVILLE...VARNVILLE...ALMEDA INTERSECTION...GRAYS...
GILLISONVILLE...CUMMINGS...
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 3289 8103 3275 8090 3255 8084 3243 8122
3271 8128
TIME...MOT...LOC 2255Z 264DEG 17KT 3268 8117 3234 8115
$$2 follow-up statements
996
WWUS52 KCHS 232317
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
717 PM EDT FRI MAR 23 2012
GAC103-SCC013-232327-
/O.CAN.KCHS.SV.W.0033.000000T0000Z-120324T0000Z/
EFFINGHAM GA-BEAUFORT SC-
717 PM EDT FRI MAR 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR BEAUFORT AND EFFINGHAM
COUNTIES HAS BEEN CANCELLED...
LAT...LON 3254 8109 3271 8128 3289 8103 3275 8090
3255 8084
TIME...MOT...LOC 2317Z 226DEG 19KT 3266 8108
$$
SCC049-053-240000-
/O.CON.KCHS.SV.W.0033.000000T0000Z-120324T0000Z/
HAMPTON SC-JASPER SC-
717 PM EDT FRI MAR 23 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHERN JASPER AND HAMPTON COUNTIES...
AT 717 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR GRAYS...MOVING NORTHEAST AT 20
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...COOSAWHATCHIE...CUMMINGS...EARLY BRANCH...FURMAN...
GILLISONVILLE...GRAYS...LENA...MCPHERSONVILLE...SCOTIA AND VARNVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
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 3254 8109 3271 8128 3289 8103 3275 8090
3255 8084
TIME...MOT...LOC 2317Z 226DEG 19KT 3266 8108
$$849
WWUS52 KCHS 232328
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
728 PM EDT FRI MAR 23 2012
SCC049-053-232339-
/O.CAN.KCHS.SV.W.0033.000000T0000Z-120324T0000Z/
HAMPTON SC-JASPER SC-
728 PM EDT FRI MAR 23 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN JASPER AND HAMPTON
COUNTIES HAS BEEN CANCELLED...
AT 729 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM THAT PROMPTED
THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN CANCELED.
ALTHOUGH THE IMMEDIATE THREAT FOR DAMAGING WINDS AND LARGE HAIL HAS
ENDED...THUNDERSTORMS ARE STILL PRODUCING FREQUENT CLOUD TO GROUND
LIGHTNING STRIKES. THE SAFEST COURSE OF ACTION IS TO REMAIN INDOORS
UNTIL THE STORMS HAVE PASSED.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
LAT...LON 3254 8109 3271 8128 3289 8103 3275 8090
3255 8084
TIME...MOT...LOC 2329Z 226DEG 19KT 3270 8103
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 6:34 PM EDT | Special Weather Statement | CHS | Hampton | 56 min |
| Mar 23, 4:04 PM EDT | Special Weather Statement | CHS | Jenkins | 26 min |
| Mar 23, 4:14 PM EDT | Special Weather Statement | CHS | Evans, Tattnall | 31 min |
| Mar 23, 4:29 PM EDT | Special Weather Statement | CHS | Jenkins, Screven | 46 min |
| Mar 23, 6:02 PM EDT | Special Weather Statement | CHS | Bryan | 28 min |
| Mar 23, 6:13 PM EDT | Severe Thunderstorm Warning | CHS | Evans, Tattnall | 62 min |
| Mar 23, 6:27 PM EDT | Special Weather Statement | CHS | Bulloch | 63 min |
| Mar 23, 6:45 PM EDT | Special Weather Statement | CHS | Bryan | 30 min |
| Mar 23, 6:48 PM EDT | Severe Thunderstorm Warning | CHS | Bryan, Effingham | 26 min |
| Mar 23, 7:35 PM EDT | Special Weather Statement | CHS | Long, McIntosh | 25 min |
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.