Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 87, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jun 1, 2012, 4:59 PM EDT for Berkeley County, Colleton County, Dorchester County, South Carolina. It was in force for 61 min. 2 reports 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 1, 2012, 4:59 PM EDT (20:59 UTC)
- Expired
- Jun 1, 2012, 6:00 PM EDT
- In force
- 61 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), 80 km from the middle of the area, began a volume at 20:59 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 1, 5:25 PM EDT | HAIL 0.25 | 2 E Harleyville, SC | |
| Jun 1, 5:56 PM EDT | TSTM WND DMG | 3 Wnw Round O, SC | TREE DOWN AT WELCH CREEK ROAD AND NEDA CIRCLE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 1, 2:13 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 9.0 hours before the alert went out and 41 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
- 415 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted, in the capitals the NWS used until 2016.
848 WUUS52 KCHS 012059 SVRCHS SCC015-029-035-012200- /O.NEW.KCHS.SV.W.0087.120601T2059Z-120601T2200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 459 PM EDT FRI JUN 1 2012 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA... NORTHEASTERN COLLETON COUNTY IN SOUTHEAST SOUTH CAROLINA... CENTRAL DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA... * UNTIL 600 PM EDT * AT 459 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM CANADYS TO WALTERBORO...MOVING EAST AT 25 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... CANADYS...WALTERBORO...ROUND O...COTTAGEVILLE...DORCHESTER... GIVHANS FERRY STATE PARK... 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 3328 8011 3288 8020 3290 8074 3316 8068 TIME...MOT...LOC 2059Z 258DEG 24KT 3312 8059 3294 8067 $$
3 follow-up statements
208 WWUS52 KCHS 012115 SVSCHS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 515 PM EDT FRI JUN 1 2012 SCC015-029-035-012200- /O.CON.KCHS.SV.W.0087.000000T0000Z-120601T2200Z/ DORCHESTER SC-BERKELEY SC-COLLETON SC- 515 PM EDT FRI JUN 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL COLLETON...WEST CENTRAL BERKELEY AND CENTRAL DORCHESTER COUNTIES... AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM PREGNALL TO HIOTTS...MOVING EAST AT 30 MPH. PREPARE NOW FOR THE FOLLOWING HAZARDS... DAMAGING WINDS IN EXCESS OF 60 MPH... HAIL UP TO QUARTER SIZE... TORRENTIAL RAIN WHICH MAY PRODUCE LOCALIZED FLOODING... SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CANADYS... COTTAGEVILLE...DORCHESTER...GIVHANS...GIVHANS FERRY STATE PARK... JEDBURG...KNIGHTSVILLE...RIDGEVILLE...ROUND O...SLANDS BRIDGE... SUMMERVILLE AND WALTERBORO. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS THUNDERSTORM IS CAPABLE OF PRODUCING VERY HEAVY RAIN...WHICH MAY FLOOD ROADS...DITCHES AND LOW-LYING AREAS. AVOID FLOOD PRONE AREAS AND DO NOT DRIVE INTO PLACES WHERE WATER COVERS THE ROAD. FREQUENT LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. MOVE INDOORS IMMEDIATELY. IF THERE IS NO SAFE SHELTER AVAILABLE...STAY AWAY FROM ISOLATED HIGH OBJECTS AND BODIES OF WATER. IF YOU CAN HEAR THUNDER... YOU ARE WITHIN STRIKING DISTANCE. TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO CHS.SKYWARN@NOAA.GOV. && LAT...LON 3328 8011 3289 8020 3290 8074 3316 8063 TIME...MOT...LOC 2115Z 258DEG 24KT 3314 8046 3296 8055 $$
770 WWUS52 KCHS 012132 SVSCHS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 532 PM EDT FRI JUN 1 2012 SCC015-029-035-012200- /O.CON.KCHS.SV.W.0087.000000T0000Z-120601T2200Z/ DORCHESTER SC-BERKELEY SC-COLLETON SC- 532 PM EDT FRI JUN 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL COLLETON...WEST CENTRAL BERKELEY AND CENTRAL DORCHESTER COUNTIES... AT 533 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM PRINGLETOWN TO NORMAN LANDING...MOVING EAST AT 30 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 OR NEAR THE PATH OF THIS STORM INCLUDE...CANADYS... COTTAGEVILLE...DORCHESTER...GIVHANS...GIVHANS FERRY STATE PARK... JEDBURG...KNIGHTSVILLE...RIDGEVILLE...ROUND O...SLANDS BRIDGE... SUMMERVILLE AND WALTERBORO. 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. 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 3328 8011 3289 8020 3290 8074 3317 8053 TIME...MOT...LOC 2133Z 258DEG 24KT 3316 8032 3298 8041 $$
042 WWUS52 KCHS 012153 SVSCHS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHARLESTON SC 553 PM EDT FRI JUN 1 2012 SCC015-029-035-012200- /O.CON.KCHS.SV.W.0087.000000T0000Z-120601T2200Z/ DORCHESTER SC-BERKELEY SC-COLLETON SC- 553 PM EDT FRI JUN 1 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EDT FOR CENTRAL COLLETON...WEST CENTRAL BERKELEY AND CENTRAL DORCHESTER COUNTIES... AT 553 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM NEW HOPE TO KNIGHTSVILLE...MOVING EAST AT 30 MPH. PREPARE NOW FOR THE FOLLOWING HAZARDS... DAMAGING WINDS IN EXCESS OF 60 MPH... HAIL UP TO QUARTER SIZE... PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO CHS.SKYWARN@NOAA.GOV. && LAT...LON 3328 8011 3289 8025 3290 8074 3317 8048 TIME...MOT...LOC 2153Z 258DEG 24KT 3318 8016 3301 8025 $$
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 3:59 AM EDT | Lake Wind Advisory | CHS | Berkeley | 12 hr |
| Jun 1, 2:59 PM EDT | Special Weather Statement | CHS | Allendale | 31 min |
| Jun 1, 3:09 PM EDT | Severe Thunderstorm Warning | CHS | Allendale, Hampton | 39 min |
| Jun 1, 4:47 PM EDT | Special Weather Statement | CHS | Dorchester | 28 min |
| Jun 1, 5:17 PM EDT | Special Weather Statement | CHS | Colleton | 28 min |
| Jun 1, 5:24 PM EDT | Severe Thunderstorm Warning | CHS | Colleton, Hampton | 66 min |
| Jun 1, 5:30 PM EDT | Special Weather Statement | CHS | Berkeley | 30 min |
| Jun 1, 5:51 PM EDT | Special Weather Statement | CHS | Jasper | 39 min |
| Jun 1, 6:00 PM EDT | Special Weather Statement | CHS | Berkeley | 60 min |
| Jun 1, 6:04 PM EDT | Special Weather Statement | CHS | Dorchester | 26 min |
| Jun 1, 6:28 PM EDT | Special Weather Statement | CHS | Beaufort, Jasper | 32 min |
| Jun 1, 6:58 PM EDT | Special Weather Statement | CHS | Berkeley | 47 min |
| Jun 1, 7:01 PM EDT | Special Weather Statement | CHS | Charleston | 44 min |
| Jun 1, 7:44 PM EDT | Special Weather Statement | CHS | Charleston | 46 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.