Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 79, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at May 22, 2012, 7:00 PM EDT for Berkeley County, Dorchester County, South Carolina. It was in force for 60 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
- May 22, 2012, 7:00 PM EDT (23:00 UTC)
- Expired
- May 22, 2012, 8:00 PM EDT
- In force
- 60 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Berkeley County, SC, Dorchester County, SC
The radar
The Columbia radar (KCAE), 106 km from the middle of the area, began a volume at 23:03 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 |
|---|---|---|---|
| May 22, 7:05 PM EDT | TSTM WND DMG | 5 N Northern Lake Moult, SC | BRANCHES AND SEVERAL LARGE LIMBS DOWN ALONG HIGHWAY 45 NEAR PINEVILLE. TIME ESTIMATED FROM RADAR. |
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 |
|---|---|---|---|
| May 22, 3:32 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 11.0 hours before the alert went out and 55 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
- 831 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1209 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
687
WUUS52 KCHS 222300
SVRCHS
SCC015-035-230000-
/O.NEW.KCHS.SV.W.0079.120522T2300Z-120523T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
700 PM EDT TUE MAY 22 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN BERKELEY COUNTY IN SOUTHEAST SOUTH CAROLINA...
NORTH CENTRAL DORCHESTER COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 800 PM EDT
* AT 700 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
SEVERE THUNDERSTORMS...ALONG A LINE EXTENDING FROM EADYTOWN TO
HARLEYVILLE...MOVING NORTHEAST AT 15 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
EXTREME CLOUD TO GROUND LIGHTNING...
* SOME LOCATIONS IN THE WARNING INCLUDE...
EASTERN LAKE MARION...EADYTOWN...CROSS...
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 3350 7996 3345 7988 3309 8033 3324 8049
3327 8046 3326 8043 3327 8037 3328 8035
3327 8030 3330 8026 3344 8023 3346 8016
3348 8016 3350 8013 3351 8005
TIME...MOT...LOC 2300Z 225DEG 11KT 3349 8011 3320 8038
$$2 follow-up statements
286
WWUS52 KCHS 222322
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
722 PM EDT TUE MAY 22 2012
SCC035-222331-
/O.CAN.KCHS.SV.W.0079.000000T0000Z-120523T0000Z/
DORCHESTER SC-
722 PM EDT TUE MAY 22 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL DORCHESTER
COUNTY HAS BEEN CANCELLED...
HOWEVER...OTHER SEVERE THUNDERSTORM WARNINGS FOR PORTIONS OF CENTRAL
AND SOUTHERN DORCHESTER COUNTY REMAIN IN EFFECT.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR SOUTHEAST SOUTH CAROLINA.
LAT...LON 3350 7996 3345 7989 3313 8029 3317 8031
3318 8029 3320 8033 3327 8037 3328 8035
3327 8030 3330 8026 3344 8023 3346 8015
3348 8016 3350 8013 3351 8005
TIME...MOT...LOC 2321Z 225DEG 11KT 3350 7999 3318 8028
$$
SCC015-230000-
/O.CON.KCHS.SV.W.0079.000000T0000Z-120523T0000Z/
BERKELEY SC-
722 PM EDT TUE MAY 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHWESTERN BERKELEY COUNTY...
AT 721 PM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM
JUDGE TOWN TO SPRING HILL...MOVING NORTHEAST AT 15 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
AT 641 PM EDT...AN OBSERVATION PLATFORM IN PINEVILLE HAD A WIND GUST
TO 59 MPH.
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CROSS...
EADYTOWN...EASTERN LAKE MARION AND NORTHERN LAKE MOULTRIE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE LIGHTNING IS OCCURRING WITH THIS THUNDERSTORM. IF
OUTDOORS... AVOID OPEN SPACES AND REMAIN LOW...KEEPING YOUR DISTANCE
FROM TALL OBJECTS SUCH AS TREES AND UTILITY POLES. IF INDOORS...STAY
AWAY FROM WINDOWS AND PLUMBING. ELECTRICAL APPLIANCES SHOULD BE
UNPLUGGED UNTIL THE THUNDERSTORM IS NO LONGER A THREAT.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3350 7996 3345 7989 3313 8029 3317 8031
3318 8029 3320 8033 3327 8037 3328 8035
3327 8030 3330 8026 3344 8023 3346 8015
3348 8016 3350 8013 3351 8005
TIME...MOT...LOC 2321Z 225DEG 11KT 3350 7999 3318 8028
$$387
WWUS52 KCHS 222338
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
738 PM EDT TUE MAY 22 2012
SCC015-230000-
/O.CON.KCHS.SV.W.0079.000000T0000Z-120523T0000Z/
BERKELEY SC-
738 PM EDT TUE MAY 22 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM EDT
FOR NORTHWESTERN BERKELEY COUNTY...
AT 738 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORMS ALONG A LINE EXTENDING FROM 8
MILES NORTHEAST OF JUDGE TOWN TO 7 MILES SOUTHWEST OF MOOREFIELD...
MOVING NORTHEAST AT 15 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
HAIL UP TO QUARTER SIZE...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...CROSS AND
NORTHERN LAKE MOULTRIE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
TUESDAY EVENING FOR SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3324 8025 3333 8019 3351 8005 3350 7996
3345 7989 3316 8025
TIME...MOT...LOC 2338Z 225DEG 11KT 3354 7995 3322 8024
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 2:57 PM EDT | Special Weather Statement | CHS | Berkeley | 33 min |
| May 22, 3:34 PM EDT | Special Weather Statement | CHS | Berkeley | 26 min |
| May 22, 3:44 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston | 61 min |
| May 22, 5:06 PM EDT | Special Weather Statement | CHS | Hampton | 24 min |
| May 22, 5:14 PM EDT | Special Weather Statement | CHS | Charleston | 31 min |
| May 22, 5:19 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston, Dorchester | 56 min |
| May 22, 5:28 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Jasper | 45 min |
| May 22, 6:16 PM EDT | Special Weather Statement | CHS | Berkeley | 59 min |
| May 22, 6:21 PM EDT | Special Weather Statement | CHS | Colleton | 24 min |
| May 22, 6:33 PM EDT | Severe Thunderstorm Warning | CHS | Beaufort, Charleston, Colleton, Dorchester | 57 min |
| May 22, 6:51 PM EDT | Special Weather Statement | CHS | Berkeley | 54 min |
| May 22, 7:20 PM EDT | Severe Thunderstorm Warning | CHS | Berkeley, Charleston, Dorchester | 55 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.