Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 110, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 11, 2012, 6:02 PM EDT for Beaufort County, Charleston County, Colleton County, South Carolina. It was in force for 58 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 11, 2012, 6:02 PM EDT (22:02 UTC)
- Expired
- Jun 11, 2012, 7:00 PM EDT
- In force
- 58 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Beaufort County, SC, Charleston County, SC, Colleton County, SC
The radar
The Charleston,SC radar (KCLX), 73 km from the middle of the area, began a volume at 22:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 11, 6:08 PM EDT | TSTM WND DMG | 5 Ese Dale, SC | THE PUBLIC REPORTED A TREE DOWN ON WITSELL ROAD. |
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, 10.0 hours before the alert went out and 42 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
- 389 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 772 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 113 m²/s²
- 0-3 km storm-relative helicity
- 158 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
513
WUUS52 KCHS 112202
SVRCHS
SCC013-019-029-112300-
/O.NEW.KCHS.SV.W.0110.120611T2202Z-120611T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
602 PM EDT MON JUN 11 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...
SOUTHWESTERN CHARLESTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
SOUTHEASTERN COLLETON COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 700 PM EDT
* AT 602 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM DALE TO LADYS
ISLAND...MOVING EAST AT 35 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
* SOME LOCATIONS IN THE WARNING INCLUDE...
DALE...LADYS ISLAND...GREEN POND...BENNETTS POINT...ASHEPOO...
EDISTO BEACH...JACKSONBORO...EDISTO ISLAND...
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 3268 7988 3260 7999 3255 8020 3247 8035
3243 8035 3245 8037 3249 8036 3246 8040
3248 8047 3243 8046 3241 8042 3236 8044
3225 8063 3268 8076 3285 8032 3282 8016
3287 8018 3289 8009 3295 8007 3273 7986
TIME...MOT...LOC 2202Z 248DEG 29KT 3258 8068 3254 8059
3244 8058
$$3 follow-up statements
535
WWUS52 KCHS 112237
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
637 PM EDT MON JUN 11 2012
SCC013-112247-
/O.CAN.KCHS.SV.W.0110.000000T0000Z-120611T2300Z/
BEAUFORT SC-
637 PM EDT MON JUN 11 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BEAUFORT COUNTY HAS
BEEN CANCELLED...
LAT...LON 3268 7988 3260 7999 3259 8011 3247 8035
3243 8035 3245 8037 3247 8035 3249 8036
3246 8040 3249 8043 3248 8047 3269 8041
3283 8033 3282 8016 3287 8018 3289 8009
3295 8007 3277 7990 3276 7991 3273 7986
TIME...MOT...LOC 2237Z 248DEG 29KT 3261 8036 3257 8027
3247 8026
$$
SCC019-029-112300-
/O.CON.KCHS.SV.W.0110.000000T0000Z-120611T2300Z/
CHARLESTON SC-COLLETON SC-
637 PM EDT MON JUN 11 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR EXTREME SOUTHEASTERN COLLETON AND SOUTHWESTERN CHARLESTON
COUNTIES...
AT 637 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 6
MILES NORTHWEST OF EDISTO ISLAND TO EDISTO ISLAND TO EDISTO BEACH...
MOVING EAST AT 35 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS
AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD.
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 3268 7988 3260 7999 3259 8011 3247 8035
3243 8035 3245 8037 3247 8035 3249 8036
3246 8040 3249 8043 3248 8047 3269 8041
3283 8033 3282 8016 3287 8018 3289 8009
3295 8007 3277 7990 3276 7991 3273 7986
TIME...MOT...LOC 2237Z 248DEG 29KT 3261 8036 3257 8027
3247 8026
$$573
WWUS52 KCHS 112251
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
651 PM EDT MON JUN 11 2012
SCC029-112301-
/O.CAN.KCHS.SV.W.0110.000000T0000Z-120611T2300Z/
COLLETON SC-
651 PM EDT MON JUN 11 2012
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN COLLETON
COUNTY HAS BEEN CANCELLED...
LAT...LON 3268 7988 3260 7999 3260 8011 3254 8022
3254 8023 3270 8032 3278 8032 3281 8026
3282 8016 3287 8018 3286 8016 3288 8015
3289 8009 3295 8007 3277 7990 3276 7991
3273 7986
TIME...MOT...LOC 2251Z 248DEG 29KT 3263 8022 3257 8011
$$
SCC019-112300-
/O.CON.KCHS.SV.W.0110.000000T0000Z-120611T2300Z/
CHARLESTON SC-
651 PM EDT MON JUN 11 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR CENTRAL CHARLESTON COUNTY...
AT 651 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
BEARS BLUFF TO SEABROOK ISLAND...MOVING EAST AT 35 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ALTHOUGH LITTLE OR NO LIGHTNING IS OCCURRING...THIS STORM IS CAPABLE
OF PRODUCING DAMAGING WINDS OF 60 MPH OR GREATER AND HEAVY RAIN. GO
INSIDE A STURDY SHELTER. MOVE TO AN INTERIOR ROOM AND STAY AWAY FROM
WINDOWS.
THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY
FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS
AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD.
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 3268 7988 3260 7999 3260 8011 3254 8022
3254 8023 3270 8032 3278 8032 3281 8026
3282 8016 3287 8018 3286 8016 3288 8015
3289 8009 3295 8007 3277 7990 3276 7991
3273 7986
TIME...MOT...LOC 2251Z 248DEG 29KT 3263 8022 3257 8011
$$410
WWUS52 KCHS 112300
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
700 PM EDT MON JUN 11 2012
SCC019-112310-
/O.EXP.KCHS.SV.W.0110.000000T0000Z-120611T2300Z/
CHARLESTON SC-
700 PM EDT MON JUN 11 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CHARLESTON COUNTY WILL
EXPIRE AT 700 PM EDT...
AT 700 PM EDT...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
ALTHOUGH THE SEVERE THUNDERSTORM WARNING IS NO LONGER IN
EFFECT...THUNDERSTORMS ARE STILL CAPABLE OF PRODUCING GUSTY
WINDS...FREQUENT LIGHTNING AND HEAVY RAINFALL. THE SAFEST COURSE OF
ACTION IS TO REMAIN INDOORS UNTIL THE STORMS HAVE PASSED.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
LAT...LON 3268 7988 3260 7999 3260 8011 3254 8022
3254 8023 3270 8032 3278 8032 3281 8026
3282 8016 3287 8018 3286 8016 3288 8015
3289 8009 3295 8007 3277 7990 3276 7991
3273 7986
TIME...MOT...LOC 2300Z 248DEG 29KT 3266 8014 3260 8003
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 8:28 PM EDT | Areal Flood Advisory | CHS | Berkeley | 66 min |
| Jun 11, 2:12 AM EDT | Special Weather Statement | CHS | Beaufort | 33 min |
| Jun 11, 3:09 AM EDT | Areal Flood Advisory | CHS | Beaufort | 81 min |
| Jun 11, 5:23 AM EDT | Areal Flood Advisory | CHS | Beaufort | 63 min |
| Jun 11, 2:10 PM EDT | Special Weather Statement | CHS | Hampton | 50 min |
| Jun 11, 2:29 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Colleton, Dorchester, Hampton | 61 min |
| Jun 11, 2:35 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Colleton, Hampton, Jasper | 55 min |
| Jun 11, 3:23 PM EDT | Special Weather Statement | CHS | Allendale | 37 min |
| Jun 11, 3:53 PM EDT | Areal Flood Advisory | CHS | Colleton, Dorchester, Hampton, Jasper | 112 min |
| Jun 11, 4:45 PM EDT | Special Weather Statement | CHS | Jasper | 30 min |
| Jun 11, 5:13 PM EDT | Special Weather Statement | CHS | Jasper | 32 min |
| Jun 11, 5:23 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Jasper | 37 min |
| Jun 11, 5:24 PM EDT | Tornado Warning | CHS | Beaufort, Jasper | 36 min |
| Jun 11, 6:34 PM EDT | Special Weather Statement | CHS | Berkeley | 41 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.