Alert archive / South Carolina / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 126, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Jun 30, 2007, 3:38 PM EDT for Calhoun County, South Carolina. It was in force for 29 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 30, 2007, 3:38 PM EDT (19:38 UTC)
- Expired
- Jun 30, 2007, 4:07 PM EDT
- In force
- 29 min
- Issued by
- NWS Columbia, SC
- Area
- Counties, with a storm outline in the text
County Calhoun County, SC
The radar
The Columbia radar (KCAE), 44 km from the middle of the area, began a volume at 19:39 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 30, 2:46 PM EDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 12:00Z, 7.6 hours before the alert went out and 113 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
- 1065 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 728 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 30, 3:31 PM EDT, 7 minutes earlier.
Area forecast discussion, Jun 30, 3:31 PM EDT, 7 minutes before
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</html>Hazardous weather outlook, Jun 30, 5:25 AM EDT, 10 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE COLUMBIA SC 525 AM EDT SAT JUN 30 2007 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-011000- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 525 AM EDT SAT JUN 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...TODAY AND TONIGHT A COLD FRONT ACROSS VIRGINIA INTO TENNESSEE WILL MOVE SLOWLY SOUTH TODAY AND APPROACH SOUTH CAROLINA THIS AFTERNOON. NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP AHEAD OF THE FRONT. A FEW SEVERE STORMS ARE POSSIBLE THIS AFTERNOON AND EVENING. DAMAGING WINDS WILL BE THE MAIN THREAT FROM THE STRONGER STORMS ALONG WITH VERY HEAVY RAIN. LOCALIZED FLOODING THIS AFTERNOON INTO TONIGHT WILL BE A CONCERN. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH THURSDAY THE COLD FRONT WILL CONTINUE TO PUSH SLOWLY ACROSS THE AREA SUNDAY THEN MOVE SOUTH OF THE AREA BY MONDAY. SCATTERED THUNDERSTORMS ARE EXPECTED DURING THE DAY. ONCE AGAIN...THUNDERSTORMS WILL PRODUCE LOCALLY HEAVY RAIN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED.
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 3:49 PM EDT | Severe Thunderstorm Warning | CAE | Orangeburg | 41 min |
| Jun 30, 5:32 PM EDT | Severe Thunderstorm Warning | CAE | Newberry | 58 min |
| Jun 30, 6:32 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield | 43 min |
| Jun 30, 3:29 PM EDT | Severe Thunderstorm Warning | CAE | Burke | 30 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2007Every severe thunderstorm warning in 2007
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.