Alert archive / South Carolina / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 119, NWS Columbia, SC

June 2, 2011Calhoun County, Lexington County, Richland County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jun 2, 2011, 7:47 PM EDT for Calhoun County, Lexington County, Richland County, South Carolina. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2011, 7:47 PM EDT (23:47 UTC)
Expired: Jun 2, 2011, 8:45 PM EDT
In force: 58 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

Counties Calhoun County, SC, Lexington County, SC, Richland County, SC

The radar

The Columbia radar (KCAE), 15 km from the middle of the area, began a volume at 23:46 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.

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 11.8 hours before the alert went out and 265 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2456 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Columbia, SC wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 2, 4:28 PM EDT, 3 hours 19 minutes earlier.

Area forecast discussion, Jun 2, 4:28 PM EDT, 3 hours 19 minutes before

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Hazardous weather outlook, Jun 2, 4:34 AM EDT, 15 hours 13 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
434 AM EDT THU JUN 2 2011

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-030845-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
434 AM EDT THU JUN 2 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND
CENTRAL SOUTH CAROLINA.

.DAY ONE...TODAY AND TONIGHT.

THERE IS A CHANCE FOR ISOLATED SEVERE THUNDERSTORMS LATE THIS
AFTERNOON AS A FRONTAL BOUNDARY STALLS OVER THE REGION.

HEAT INDICES WILL APPROACH 100 DEGREES THIS AFTERNOON.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Jun 2, 6:22 PM EDT, 1 hour 25 minutes before

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Local storm report, Jun 2, 7:16 PM EDT, 31 minutes before

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Local storm report, Jun 2, 7:24 PM EDT, 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE COLUMBIA SC
724 PM EDT THU JUN 02 2011

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0715 PM     HAIL             DENTSVILLE              34.08N 80.96W
06/02/2011  E0.50 INCH       RICHLAND           SC   PUBLIC

            1/4 TO 1/2 INCH HAIL REPORTED BY PUBLIC

0720 PM     HAIL             LITTLE MOUNTAIN         34.19N 81.41W
06/02/2011  E0.50 INCH       NEWBERRY           SC   LAW ENFORCEMENT

            GUMBALL SIZED HAIL REPORTED BY NEWBERRY COUNTY SHERIFF.

&&

KILMER

The office that day

Everything else NWS Columbia, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 6:22 PM EDT	Special Weather Statement	CAE	Aiken, Calhoun, Edgefield, Fairfield, Kershaw, Lee and 6 more	53 min
Jun 2, 7:06 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun, Lexington, Richland	39 min
Jun 2, 7:11 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Lexington, Newberry, Richland, Saluda	49 min
Jun 2, 7:35 PM EDT	Severe Thunderstorm Warning	CAE	Lancaster	40 min
Jun 2, 7:58 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw, Lexington, Newberry, Richland	62 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2011 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.