Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 113, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 13, 2012, 6:28 PM EDT for Berkeley County, Colleton County, Dorchester County, South Carolina. It was in force for 62 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 13, 2012, 6:28 PM EDT (22:28 UTC)
- Expired
- Jun 13, 2012, 7:30 PM EDT
- In force
- 62 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Berkeley County, SC, Colleton County, SC, Dorchester County, SC
The radar
The Charleston,SC radar (KCLX), 105 km from the middle of the area, began a volume at 22:29 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 13, 6:59 PM EDT | TSTM WND DMG | 3 E Saint Stephen, SC | PUBLIC REPORTED ONE TREE DOWN IN SAINT STEPHEN. TIME ESTIMATED BY RADAR. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 10.5 hours before the alert went out and 46 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
- 567 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 594 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
018
WUUS52 KCHS 132228
SVRCHS
SCC015-029-035-132330-
/O.NEW.KCHS.SV.W.0113.120613T2228Z-120613T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
628 PM EDT WED JUN 13 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTHWESTERN COLLETON COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTHERN DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 730 PM EDT
* AT 628 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM SAINT STEPHEN TO
HARLEYVILLE TO 6 MILES NORTHWEST OF REEVESVILLE...MOVING SOUTH AT
15 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...
HARLEYVILLE...NORTHERN LAKE MOULTRIE...BONNEAU BEACH...SOUTHERN
LAKE MOULTRIE...BONNEAU...SAINT GEORGE...REEVESVILLE...PINOPOLIS...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE SHELTER AS THUNDERSTORMS APPROACH.
REPORT HAIL...DOWNED TREES...LIMBS...AND POWER LINES DIRECTLY TO THE
CHARLESTON NATIONAL WEATHER SERVICE AT 1-888-383-2024...WHEN IT IS
SAFE TO DO SO.
&&
LAT...LON 3313 7991 3301 8032 3296 8073 3308 8090
3314 8089 3331 8055 3326 8043 3328 8035
3327 8030 3330 8026 3344 8023 3346 8015
3350 8013 3350 7996 3344 7986 3341 7985
3338 7979 3333 7975 3332 7971
TIME...MOT...LOC 2228Z 339DEG 14KT 3337 7994 3319 8040
3327 8069
$$2 follow-up statements
066
WWUS52 KCHS 132256
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
656 PM EDT WED JUN 13 2012
SCC015-029-035-132330-
/O.CON.KCHS.SV.W.0113.000000T0000Z-120613T2330Z/
DORCHESTER SC-BERKELEY SC-COLLETON SC-
656 PM EDT WED JUN 13 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR NORTHWESTERN COLLETON...NORTHERN BERKELEY AND NORTHERN DORCHESTER
COUNTIES...
AT 654 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT ISOLATED SEVERE THUNDERSTORMS BETWEEN PINEVILLE AND SAINT
STEPHEN AND FROM NEAR CAT HOLE TO CANADYS...MOVING SOUTH AT 15 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
&&
LAT...LON 3313 7991 3301 8032 3296 8073 3308 8090
3314 8089 3323 8071 3323 8053 3326 8043
3324 8035 3326 8028 3330 8026 3344 8023
3346 8015 3350 8013 3350 7996 3344 7986
3341 7985 3338 7979 3333 7975 3332 7971
TIME...MOT...LOC 2253Z 339DEG 14KT 3344 7996 3325 8021
3315 8045 3299 8064
$$596
WWUS52 KCHS 132327
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
727 PM EDT WED JUN 13 2012
SCC015-029-035-132337-
/O.EXP.KCHS.SV.W.0113.000000T0000Z-120613T2330Z/
DORCHESTER SC-BERKELEY SC-COLLETON SC-
727 PM EDT WED JUN 13 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN COLLETON...
NORTHERN BERKELEY AND NORTHERN DORCHESTER COUNTIES WILL EXPIRE AT 730
PM EDT...
AT 727 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 SEVERE THUNDERSTORM WARNING IS NO LONGER IN
EFFECT...THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING FREQUENT
LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE OF ACTION IS TO
REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.
LAT...LON 3313 7991 3301 8032 3296 8073 3308 8090
3314 8089 3323 8071 3323 8053 3326 8043
3324 8035 3326 8028 3330 8026 3344 8023
3346 8015 3350 8013 3350 7996 3344 7986
3341 7985 3338 7979 3333 7975 3332 7971
TIME...MOT...LOC 2327Z 339DEG 14KT 3332 7990 3313 8015
3303 8039 3287 8058
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 3:06 PM EDT | Special Weather Statement | CHS | Charleston | 24 min |
| Jun 13, 3:31 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston, Dorchester | 59 min |
| Jun 13, 3:38 PM EDT | Areal Flood Advisory | CHS | Charleston | 60 min |
| Jun 13, 4:52 PM EDT | Special Weather Statement | CHS | Berkeley | 23 min |
| Jun 13, 4:57 PM EDT | Special Weather Statement | CHS | Beaufort | 33 min |
| Jun 13, 6:00 PM EDT | Special Weather Statement | CHS | Colleton | 30 min |
| Jun 13, 6:15 PM EDT | Special Weather Statement | CHS | Berkeley | 30 min |
| Jun 13, 7:08 PM EDT | Areal Flood Advisory | CHS | Berkeley | 85 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.