Alert archive / South Carolina / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Charleston, SC
NWS Charleston, SC issued this severe thunderstorm warning at Jan 21, 2012, 5:13 PM EST for Allendale County, Hampton County, South Carolina; Screven County, Georgia. It was in force for 47 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
- Jan 21, 2012, 5:13 PM EST (22:13 UTC)
- Expired
- Jan 21, 2012, 6:00 PM EST
- In force
- 47 min
- Issued by
- NWS Charleston, SC
- Area
- Storm-based polygon
Counties Screven County, GA, Allendale County, SC, Hampton County, SC
The radar
The Charleston,SC radar (KCLX), 32 km from the middle of the area, began a volume at 22:13 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 |
|---|---|---|---|
| Jan 21, 5:34 PM EST | TSTM WND DMG | 1 E Scotia, SC | A TREE WAS BLOWN DOWN ONTO POWER LINES ALONG SCOTIA-FURMAN HIGHWAY. |
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 |
|---|---|---|---|
| Jan 21, 12:28 PM EST | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 10.2 hours before the alert went out and 124 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1099 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 230 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
821
WUUS52 KCHS 212213
SVRCHS
GAC251-SCC005-049-212300-
/O.NEW.KCHS.SV.W.0002.120121T2213Z-120121T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
513 PM EST SAT JAN 21 2012
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN SCREVEN COUNTY IN SOUTHEAST GEORGIA...
SOUTHERN ALLENDALE COUNTY IN SOUTHEAST SOUTH CAROLINA...
WESTERN HAMPTON COUNTY IN SOUTHEAST SOUTH CAROLINA...
* UNTIL 600 PM EST
* AT 513 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM...6 MILES NORTHWEST OF HUNTERS...MOVING EAST AT
50 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...
HUNTERS...NEWINGTON...SHIRLEY...SCOTIA...BARTON...ESTILL...LENA...
LAKE WARREN STATE PARK...HAMPTON...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES SUDDENLY...SOMETIMES WITH LITTLE OR NO WARNING. IF YOU SEE
OR HEAR A TORNADO...MOVE QUICKLY TO AN INTERIOR ROOM IN A STURDY
STRUCTURE.
&&
LAT...LON 3302 8116 3276 8101 3266 8121 3255 8158
3282 8156 3287 8157
TIME...MOT...LOC 2213Z 262DEG 44KT 3274 8153
$$2 follow-up statements
511
WWUS52 KCHS 212234
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
534 PM EST SAT JAN 21 2012
GAC251-212244-
/O.CAN.KCHS.SV.W.0002.000000T0000Z-120121T2300Z/
SCREVEN GA-
534 PM EST SAT JAN 21 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SCREVEN COUNTY HAS
BEEN CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST SATURDAY EVENING
FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
LAT...LON 3302 8116 3276 8101 3266 8121 3260 8140
3263 8142 3265 8139 3269 8140 3270 8143
3275 8140 3277 8143 3277 8142 3284 8142
3285 8146 3287 8145 3288 8148 3290 8148
TIME...MOT...LOC 2234Z 265DEG 45KT 3275 8120
$$
SCC005-049-212300-
/O.CON.KCHS.SV.W.0002.000000T0000Z-120121T2300Z/
ALLENDALE SC-HAMPTON SC-
534 PM EST SAT JAN 21 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM EST
FOR WESTERN HAMPTON AND SOUTHERN ALLENDALE COUNTIES...
AT 534 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM NEAR ESTILL...MOVING EAST AT 50 MPH.
PREPARE NOW FOR THE FOLLOWING HAZARDS...
DAMAGING WINDS IN EXCESS OF 60 MPH...
SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...BARTON...
BRUNSON...ESTILL...FAIRFAX...FURMAN...GIFFORD...HAMPTON...LAKE WARREN
STATE PARK...LENA...LURAY...SCOTIA...SHIRLEY AND VARNVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EST SATURDAY EVENING
FOR SOUTHEAST GEORGIA AND SOUTHEAST SOUTH CAROLINA.
&&
LAT...LON 3302 8116 3276 8101 3266 8121 3260 8140
3263 8142 3265 8139 3269 8140 3270 8143
3275 8140 3277 8143 3277 8142 3284 8142
3285 8146 3287 8145 3288 8148 3290 8148
TIME...MOT...LOC 2234Z 265DEG 45KT 3275 8120
$$
BSH070
WWUS52 KCHS 212251
SVSCHS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
551 PM EST SAT JAN 21 2012
SCC005-049-212301-
/O.EXP.KCHS.SV.W.0002.000000T0000Z-120121T2300Z/
ALLENDALE SC-HAMPTON SC-
551 PM EST SAT JAN 21 2012
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN HAMPTON AND SOUTHERN
ALLENDALE COUNTIES WILL EXPIRE AT 600 PM EST...
AT 551 PM EST...RADAR INDICATED THAT THE THUNDERSTORM WHICH PROMPTED
THE WARNING HAD WEAKENED...THUS THE SEVERE THUNDERSTORM WARNING HAS
BEEN ALLOWED TO EXPIRE.
TO REPORT SEVERE WEATHER SUCH AS HAIL...DOWNED TREES...LIMBS...AND
POWER LINES...PLEASE CONTACT THE CHARLESTON NATIONAL WEATHER SERVICE
TOLL FREE AT 1-888-383-2024 OR EMAIL YOUR REPORTS TO
CHS.SKYWARN@NOAA.GOV.
LAT...LON 3302 8116 3276 8101 3266 8121 3260 8140
3263 8142 3265 8139 3269 8140 3270 8143
3275 8140 3277 8143 3277 8142 3284 8142
3285 8146 3287 8145 3288 8148 3290 8148
TIME...MOT...LOC 2251Z 261DEG 41KT 3276 8101
$$The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 4:07 PM EST | Special Weather Statement | CHS | Allendale | 38 min |
| Jan 21, 4:47 PM EST | Special Weather Statement | CHS | Bamberg | 28 min |
| Jan 21, 3:39 PM EST | Special Weather Statement | CHS | Jenkins | 51 min |
| Jan 21, 4:30 PM EST | Special Weather Statement | CHS | Jenkins | 30 min |
| Jan 21, 4:40 PM EST | Severe Thunderstorm Warning | CHS | Bulloch, Candler, Jenkins, Screven | 50 min |
| Jan 21, 6:39 PM EST | Special Weather Statement | CHS | Bulloch, Evans | 36 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2012Severe Thunderstorm Warnings in Georgia, 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.