Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 28, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Mar 16, 2012, 6:00 PM EDT for 4 counties in South Carolina. It was in force for 60 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 16, 2012, 6:00 PM EDT (22:00 UTC)
- Expired
- Mar 16, 2012, 7:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Berkeley County, SC, Charleston County, SC, Colleton County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 76 km from the middle of the area, began a volume at 22:01 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, 10.0 hours before the alert went out and 26 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
- 473 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 920 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 37 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
701 WUUS52 KCHS 162200 SVRCHS SCC015-019-029-035-162300- /O.NEW.KCHS.SV.W.0028.120316T2200Z-120316T2300Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 600 PM EDT FRI MAR 16 2012 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA... WESTERN CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA... SOUTHEASTERN COLLETON COUNTY IN SOUTHEAST SOUTH CAROLINA... SOUTHEASTERN DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA... * UNTIL 700 PM EDT * AT 600 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM SANGAREE TO RITTER...MOVING SOUTHEAST AT 10 MPH. PREPARE NOW FOR THE FOLLOWING HAZARDS... DAMAGING WINDS IN EXCESS OF 60 MPH... HAIL UP TO QUARTER SIZE... TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING... * SOME LOCATIONS IN THE WARNING INCLUDE... SUMMERVILLE...KNIGHTSVILLE...SLANDS BRIDGE...COLLEGE PARK... CROWFIELD PLANTATION...LADSON... 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 3247 8040 3289 8072 3317 8004 3297 7970 TIME...MOT...LOC 2200Z 306DEG 8KT 3305 8008 3282 8061 $$
2 follow-up statements
520
WWUS52 KCHS 162235
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
635 PM EDT FRI MAR 16 2012
SCC015-019-029-035-162300-
/O.CON.KCHS.SV.W.0028.000000T0000Z-120316T2300Z/
DORCHESTER SC-CHARLESTON SC-BERKELEY SC-COLLETON SC-
635 PM EDT FRI MAR 16 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHEASTERN COLLETON...SOUTH CENTRAL BERKELEY...WESTERN
CHARLESTON AND SOUTHEASTERN DORCHESTER COUNTIES...
AT 635 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
DELEMAR CROSSROADS TO ADAMS RUN TO ASHEPOO...MOVING SOUTHEAST AT 20
MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS
IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM
ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER...
YOU ARE WITHIN STRIKING DISTANCE.
&&
LAT...LON 3297 7981 3273 8004 3247 8040 3280 8065
3292 8042 3310 8007 3316 8003 3304 7983
TIME...MOT...LOC 2235Z 308DEG 17KT 3283 8021 3273 8031
3271 8048
$$655
WWUS52 KCHS 162251
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
651 PM EDT FRI MAR 16 2012
SCC015-019-029-035-162302-
/O.EXP.KCHS.SV.W.0028.000000T0000Z-120316T2300Z/
DORCHESTER SC-CHARLESTON SC-BERKELEY SC-COLLETON SC-
651 PM EDT FRI MAR 16 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN COLLETON...SOUTH
CENTRAL BERKELEY...WESTERN CHARLESTON AND SOUTHEASTERN DORCHESTER
COUNTIES WILL EXPIRE AT 700 PM EDT...
AT 652 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
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.
LAT...LON 3297 7981 3273 8004 3247 8040 3280 8065
3292 8042 3310 8007 3316 8003 3304 7983
TIME...MOT...LOC 2252Z 308DEG 17KT 3276 8024 3268 8030
3265 8045
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 3:11 PM EDT | Special Weather Statement | CHS | Allendale | 34 min |
| Mar 16, 3:45 PM EDT | Special Weather Statement | CHS | Allendale | 30 min |
| Mar 16, 4:06 PM EDT | Special Weather Statement | CHS | Hampton | 24 min |
| Mar 16, 4:13 PM EDT | Special Weather Statement | CHS | Dorchester | 32 min |
| Mar 16, 4:22 PM EDT | Severe Thunderstorm Warning | CHS | Dorchester | 68 min |
| Mar 16, 4:25 PM EDT | Severe Thunderstorm Warning | CHS | Hampton, Jasper | 65 min |
| Mar 16, 4:34 PM EDT | Special Weather Statement | CHS | Bamberg | 26 min |
| Mar 16, 4:41 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Hampton | 64 min |
| Mar 16, 4:57 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley | 63 min |
| Mar 16, 5:11 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Dorchester | 64 min |
| Mar 16, 5:16 PM EDT | Severe Thunderstorm Warning | CHS | Colleton | 59 min |
| Mar 16, 5:26 PM EDT | Severe Thunderstorm Warning | CHS | Allendale, Hampton, Jasper | 64 min |
| Mar 16, 5:50 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Jasper | 55 min |
| Mar 16, 6:47 PM EDT | Special Weather Statement | CHS | Colleton | 28 min |
| Mar 16, 6:48 PM EDT | Special Weather Statement | CHS | Jasper | 42 min |
| Mar 16, 7:14 PM EDT | Special Weather Statement | CHS | Jasper | 31 min |
| Mar 16, 7:43 PM EDT | Special Weather Statement | CHS | Beaufort | 47 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 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.