Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 16, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Apr 5, 2011, 1:21 AM EDT for 5 counties in South Carolina; Columbia County, Lincoln County, McDuffie County, Georgia. It was in force for 54 min. 5 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
- Apr 5, 2011, 1:21 AM EDT (05:21 UTC)
- Expired
- Apr 5, 2011, 2:15 AM EDT
- In force
- 54 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Columbia County, GA, Lincoln County, GA, McDuffie County, GA, Edgefield County, SC, Fairfield County, SC, McCormick County, SC, Newberry County, SC, Saluda County, SC
The radar
The Columbia radar (KCAE), 88 km from the middle of the area, began a volume at 05:23 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 |
|---|---|---|---|
| Apr 5, 1:50 AM EDT | TSTM WND DMG | 2 Wnw Whitmire, SC | TREE DOWN IN ROADWAY. |
| Apr 5, 2:00 AM EDT | TSTM WND DMG | Lincolnton, GA | POWER OUTAGES DUE TO TREES AND LARGE LIMBS DOWN ON LINES. |
| Apr 5, 2:10 AM EDT | TSTM WND DMG | 4 N Newberry, SC | SHERIFF DISPATCH REPORTED TREES DOWN AT INTERSTATE 26 AND HIGHWAY 121. |
| Apr 5, 2:10 AM EDT | TSTM WND DMG | 5 N Newberry, SC | SHERIFF DISPATCH REPORTED TREES DOWN ALONG HIGHWAY 121. |
| Apr 5, 2:11 AM EDT | TSTM WND DMG | 2 Ne Mccormick, SC | SHERIFF DISPATCH REPORTED TREES DOWN ALONG HIGHWAY 221 JUST NORTH OF MCCORMICK. |
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 |
|---|---|---|---|
| Apr 5, 12:48 AM EDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 5.4 hours before the alert went out and 229 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
- 106 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 1161 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
241
WUUS52 KCAE 050521
SVRCAE
GAC073-181-189-SCC037-039-065-071-081-050615-
/O.NEW.KCAE.SV.W.0016.110405T0521Z-110405T0615Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
121 AM EDT TUE APR 5 2011
THE NATIONAL WEATHER SERVICE IN COLUMBIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
MCDUFFIE COUNTY IN EAST CENTRAL GEORGIA
LINCOLN COUNTY IN EAST CENTRAL GEORGIA
COLUMBIA COUNTY IN EAST CENTRAL GEORGIA
EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
WESTERN FAIRFIELD COUNTY IN CENTRAL SOUTH CAROLINA
MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA
NEWBERRY COUNTY IN CENTRAL SOUTH CAROLINA
SALUDA COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 215 AM EDT
* AT 120 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 28 MILES WEST OF NEWBERRY TO 23 MILES WEST OF LINCOLNTON...OR
ALONG A LINE EXTENDING FROM 11 MILES SOUTH OF LAURENS TO 8 MILES
WEST OF WASHINGTON...AND MOVING EAST AT 50 MPH.
* SOME COMMUNITIES IN THE WARNING AREA INCLUDE THOMSON...MARTINEZ...
LINCOLNTON...HARLEM...GROVETOWN...EVANS...WHITMIRE...SALUDA...RIDGE
SPRING...PROSPERITY...NEWBERRY...MCCORMICK...JOHNSTON AND EDGEFIELD
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
REPORT LARGE HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY
SHERIFF...OR CALL THE NATIONAL WEATHER SERVICE...TOLL FREE 1 877 6 3
3...6 7 7 2.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT TUESDAY MORNING
FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA.
&&
LAT...LON 3365 8251 3365 8249 3397 8264 3406 8253
3406 8233 3397 8229 3402 8224 3395 8202
3413 8186 3419 8193 3429 8188 3453 8163
3444 8153 3449 8142 3457 8142 3454 8106
3387 8160 3332 8236 3336 8256 3361 8265
TIME...MOT...LOC 0520Z 269DEG 42KT 3436 8202 3376 8281
$$
SJNThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 1:55 AM EDT | Severe Thunderstorm Warning | CAE | Fairfield, Kershaw, Lancaster | 50 min |
| Apr 5, 2:21 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Chesterfield, Edgefield, Fairfield, Kershaw, Lancaster and 5 more | 54 min |
| Apr 5, 3:14 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Barnwell, Chesterfield, Edgefield, Fairfield, Kershaw and 5 more | 61 min |
| Apr 5, 4:00 AM EDT | Severe Thunderstorm Warning | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Fairfield and 7 more | 60 min |
| Apr 5, 4:57 AM EDT | Severe Thunderstorm Warning | CAE | Bamberg, Calhoun, Clarendon, Lee, Orangeburg, Richland and 1 more | 63 min |
| Apr 5, 3:11 PM EDT | Frost Advisory | CAE | Chesterfield, Edgefield, Fairfield, Kershaw, Lee, McCormick and 2 more | 18 hr |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2011Severe Thunderstorm Warnings in Georgia, 2011Every severe thunderstorm warning in 2011
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.