Alert archive / South Carolina / Special Weather Statements in 2011

Special Weather Statement, NWS Columbia, SC

April 26, 2011Bamberg County, South Carolina

NWS Columbia, SC issued this special weather statement at Apr 26, 2011, 3:08 PM EDT for Bamberg County, South Carolina. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 26, 2011, 3:08 PM EDT (19:08 UTC)
Expired: Apr 26, 2011, 4:00 PM EDT
In force: 52 min
Issued by: NWS Columbia, SC

County Bamberg County, SC

The radar

The Charleston,SC radar (KCLX), 65 km from the middle of the area, began a volume at 19:09 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

Charleston AFB, SC (KCHS), launched 12:00Z, 7.1 hours before the alert went out and 122 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: 2281 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 32 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 26, 2:50 PM EDT, 18 minutes earlier.

Area forecast discussion, Apr 26, 2:50 PM EDT, 18 minutes before

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Hazardous weather outlook, Apr 26, 4:29 AM EDT, 10 hours 39 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
429 AM EDT TUE APR 26 2011

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-271000-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
429 AM EDT TUE APR 26 2011

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

SEVERE THUNDERSTORMS ARE POSSIBLE WEDNESDAY AFTERNOON THROUGH THURSDAY
ASSOCIATED WITH A STRONG COLD FRONT. THE MAIN THREAT WILL BE DAMAGING
WINDS...BUT LARGE HAIL WILL ALSO BE POSSIBLE.

A LAKE WIND ADVISORY MAY BE NEEDED WEDNESDAY AND WEDNESDAY NIGHT
AS WINDS STRENGTHEN AHEAD OF AN APPROACHING COLD FRONT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Apr 26, 2:50 PM EDT, 18 minutes before

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Special weather statement, Apr 26, 3:08 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 26, 2:09 PM EDT	Lake Wind Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more	54 hr
Apr 26, 2:50 PM EDT	Special Weather Statement	CAE	Calhoun, Richland	40 min
Apr 26, 3:17 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Barnwell, Orangeburg	58 min
Apr 26, 3:59 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Richland	46 min
Apr 26, 4:20 PM EDT	Severe Thunderstorm Warning	CAE	Fairfield, Kershaw	40 min
Apr 26, 4:44 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Lancaster	46 min

Nearby

Special Weather Statements in South Carolina, 2011 Every special weather statement 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.