Alert archive / South Carolina / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 173, NWS Columbia, SC

July 26, 2010Aiken County, South Carolina

NWS Columbia, SC issued this severe thunderstorm warning at Jul 26, 2010, 9:44 PM EDT for Aiken County, South Carolina. It was in force for 36 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: Jul 26, 2010, 9:44 PM EDT (01:44 UTC)
Expired: Jul 26, 2010, 10:20 PM EDT
In force: 36 min
Issued by: NWS Columbia, SC
Area: Storm-based polygon

County Aiken County, SC

The radar

The Columbia radar (KCAE), 66 km from the middle of the area, began a volume at 01:47 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

Peachtre/Fal Fld, GA (KFFC), launched 00:00Z, 1.7 hours before the alert went out and 266 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: 2438 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1646 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: -17 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 Jul 26, 8:33 PM EDT, 1 hour 11 minutes earlier.

Area forecast discussion, Jul 26, 8:33 PM EDT, 1 hour 11 minutes before

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Hazardous weather outlook, Jul 26, 5:32 AM EDT, 16 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE COLUMBIA SC
532 AM EDT MON JUL 26 2010

GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-270945-
LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD-
MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON-
RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON-
BAMBERG-
532 AM EDT MON JUL 26 2010

...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS
EVENING...

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.

   HEAT ADVISORY.

ISOLATED SEVERE THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND
EARLY THIS EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Local storm report, Jul 26, 8:04 PM EDT, 1 hour 40 minutes before

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Special weather statement, Jul 26, 8:07 PM EDT, 1 hour 37 minutes before

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Local storm report, Jul 26, 8:14 PM EDT, 1 hour 30 minutes before

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Local storm report, Jul 26, 8:34 PM EDT, 1 hour 10 minutes before

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Local storm report, Jul 26, 9:06 PM EDT, 38 minutes before

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Local storm report, Jul 26, 9:18 PM EDT, 26 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
Jul 26, 8:29 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Lancaster	46 min
Jul 26, 9:11 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun	49 min
Jul 27, 4:00 AM EDT	Heat Advisory	CAE	Aiken, Bamberg, Barnwell, Calhoun, Clarendon, Edgefield and 5 more	14 hr
Jul 27, 3:29 PM EDT	Severe Thunderstorm Warning	CAE	Edgefield, McCormick	31 min
Jul 27, 3:42 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lee	48 min
Jul 27, 4:19 PM EDT	Severe Thunderstorm Warning	CAE	Lee	41 min
Jul 27, 4:44 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Barnwell, Calhoun, Lexington, Orangeburg	46 min
Jul 27, 4:51 PM EDT	Severe Thunderstorm Warning	CAE	Richland	39 min
Jul 27, 4:53 PM EDT	Severe Thunderstorm Warning	CAE	Lee, Sumter	52 min
Jul 27, 5:15 PM EDT	Severe Thunderstorm Warning	CAE	Lexington, Richland	45 min
Jul 27, 5:31 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	59 min
Jul 27, 5:34 PM EDT	Severe Thunderstorm Warning	CAE	Kershaw, Richland	41 min
Jul 27, 5:37 PM EDT	Severe Thunderstorm Warning	CAE	Richland	53 min
Jul 27, 5:49 PM EDT	Severe Thunderstorm Warning	CAE	Clarendon, Sumter	56 min
Jul 27, 6:04 PM EDT	Severe Thunderstorm Warning	CAE	Calhoun	56 min
Jul 27, 6:22 PM EDT	Severe Thunderstorm Warning	CAE	Aiken, Bamberg, Barnwell, Calhoun, Clarendon, Orangeburg and 1 more	68 min
Jul 27, 6:40 PM EDT	Severe Thunderstorm Warning	CAE	Aiken	65 min
Jul 27, 7:27 PM EDT	Severe Thunderstorm Warning	CAE	Bamberg, Clarendon, Orangeburg	32 min
Jul 27, 7:40 PM EDT	Severe Thunderstorm Warning	CAE	Chesterfield, Kershaw, Lee	50 min
Jul 27, 6:01 PM EDT	Severe Thunderstorm Warning	CAE	Columbia, McDuffie	59 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2010 Every severe thunderstorm warning in 2010

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.