Alert archive / South Carolina / Special Weather Statements in 2012

Special Weather Statement, NWS Columbia, SC

March 3, 20125 counties in South Carolina; Burke County, Richmond County, Georgia

NWS Columbia, SC issued this special weather statement at Mar 3, 2012, 7:17 AM EST for 5 counties in South Carolina; Burke County, Richmond County, Georgia. 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 outline as issued.

The facts

Issued: Mar 3, 2012, 7:17 AM EST (12:17 UTC)
Expired: Mar 3, 2012, 8:15 AM EST
In force: 58 min
Issued by: NWS Columbia, SC

Counties Burke County, GA, Richmond County, GA, Bamberg County, SC, Barnwell County, SC, Calhoun County, SC, Clarendon County, SC, Orangeburg County, SC

The radar

The Charleston,SC radar (KCLX), 77 km from the middle of the area, began a volume at 12:18 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, 0.3 hours before the alert went out and 137 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: 279 J/kg
Mixed-layer CIN: -77 J/kg
Mixed-layer LCL: 685 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 181 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.4

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 Mar 3, 6:53 AM EST, 24 minutes earlier.

Area forecast discussion, Mar 3, 6:53 AM EST, 24 minutes before

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Hazardous weather outlook, Mar 3, 4:50 AM EST, 2 hours 27 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
450 AM EST SAT MAR 3 2012

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-041000-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
450 AM EST SAT MAR 3 2012

...SEVERE THUNDERSTORM WATCH 67 IN EFFECT UNTIL 9 AM EST THIS
MORNING...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

BREEZY CONDITIONS ARE EXPECTED FOR SUNDAY AND MONDAY...A LAKE WIND
ADVISORY MAY BE NECESSARY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL LIKELY BE NEEDED.

In the hours before

Local storm report, Mar 3, 6:27 AM EST, 50 minutes before

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Local storm report, Mar 3, 6:37 AM EST, 40 minutes before

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Local storm report, Mar 3, 6:55 AM EST, 22 minutes before

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Local storm report, Mar 3, 6:58 AM EST, 19 minutes before

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Local storm report, Mar 3, 7:03 AM EST, 14 minutes before

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Special weather statement, Mar 3, 7:17 AM EST, 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
Mar 3, 4:03 AM EST	Severe Thunderstorm Warning	CAE	McCormick	61 min
Mar 3, 4:24 AM EST	Severe Thunderstorm Warning	CAE	Edgefield, Newberry, Saluda	60 min
Mar 3, 4:52 AM EST	Severe Thunderstorm Warning	CAE	Aiken, Fairfield, Lexington, Newberry, Richland	83 min
Mar 3, 5:23 AM EST	Severe Thunderstorm Warning	CAE	Calhoun, Fairfield, Kershaw, Lancaster, Lexington, Orangeburg and 2 more	67 min
Mar 3, 5:32 AM EST	Tornado Warning	CAE	Kershaw, Richland	13 min
Mar 3, 5:55 AM EST	Severe Thunderstorm Warning	CAE	Calhoun, Chesterfield, Clarendon, Kershaw, Lee, Orangeburg and 1 more	80 min
Mar 3, 8:16 AM EST	Severe Thunderstorm Warning	CAE	Barnwell	44 min
Mar 3, 8:54 AM EST	Severe Thunderstorm Warning	CAE	Bamberg, Barnwell, Orangeburg	51 min
Mar 3, 9:44 AM EST	Severe Thunderstorm Warning	CAE	Bamberg, Orangeburg	46 min

Nearby

Special Weather Statements in South Carolina, 2012 Special Weather Statements in Georgia, 2012 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.