Alert archive / Georgia / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 230, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Oct 25, 2010, 11:06 AM EDT for Columbia County, McDuffie County, Richmond County, Georgia. It was in force for 54 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
- Oct 25, 2010, 11:06 AM EDT (15:06 UTC)
- Expired
- Oct 25, 2010, 12:00 PM EDT
- In force
- 54 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
Counties Columbia County, GA, McDuffie County, GA, Richmond County, GA
The radar
The Columbia radar (KCAE), 120 km from the middle of the area, began a volume at 15:09 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Oct 25, 8:23 AM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.1 hours before the alert went out and 207 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
- 324 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 221 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
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 Oct 25, 7:09 AM EDT, 3 hours 57 minutes earlier.
Area forecast discussion, Oct 25, 7:09 AM EDT, 3 hours 57 minutes before
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</html>Hazardous weather outlook, Oct 25, 8:34 AM EDT, 2 hours 32 minutes before
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Special weather statement, Oct 25, 9:17 AM EDT, 1 hour 49 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 917 AM EDT MON OCT 25 2010 GAZ040-063>065-077-SCZ018-025-026-030-035-251430- AIKEN-BARNWELL-BURKE-COLUMBIA-EDGEFIELD-LINCOLN-MCCORMICK-MCDUFFIE- RICHMOND-SALUDA- 917 AM EDT MON OCT 25 2010 ...STRONG THUNDERSTORMS APPROACHING THE CENTRAL SAVANNAH RIVER AREA... AT 915 AM NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS APPROACHING THE CENTRAL SAVANNAH RIVER AREA FROM THE WEST. THE STORMS SHOULD REACH MUCH OF THE CENTRAL SAVANNAH RIVER AREA BETWEEN 1000 AM AND NOON. THE LAKE THURMOND AREA WILL LIKELY BE AFFECTED AROUND 1000 AM...AND THE AUGUSTA AREA BETWEEN 1100 AM AND NOON. THE THUNDERSTORMS WILL LIKELY CONTAIN FREQUENT LIGHTNING...WIND GUSTS NEAR 40 MPH...AND HEAVY DOWNPOURS. STRONGER THUNDERSTORMS COULD POSSIBLY OCCUR. LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Oct 25, 10:12 AM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 1012 AM EDT MON OCT 25 2010 GAZ040-063>065-077-SCZ018-025-030-035-251545- AIKEN-BARNWELL-BURKE-COLUMBIA-EDGEFIELD-LINCOLN-MCCORMICK-MCDUFFIE- RICHMOND- 1012 AM EDT MON OCT 25 2010 ...STRONG THUNDERSTORMS MOVING INTO PARTS OF THE CENTRAL SAVANNAH RIVER AREA... AT 1000 AM...NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS APPROACHING THE CENTRAL SAVANNAH RIVER AREA FROM THE WEST. THE STORMS SHOULD REACH MUCH OF THE CENTRAL SAVANNAH RIVER AREA BEFORE 100 PM. THE LAKE THURMOND AREA WILL LIKELY BE AFFECTED BY 1100 AM...AND THE AUGUSTA BEGINNING AROUND NOON. THE THUNDERSTORMS WILL LIKELY CONTAIN FREQUENT LIGHTNING...WIND GUSTS NEAR 40 MPH...AND HEAVY DOWNPOURS. STRONGER THUNDERSTORMS COULD POSSIBLY OCCUR. LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Oct 25, 10:47 AM EDT, 19 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBIA SC 1047 AM EDT MON OCT 25 2010 GAZ040-063>065-077-SCZ018-025-030-035-251600- AIKEN-BARNWELL-BURKE-COLUMBIA-EDGEFIELD-LINCOLN-MCCORMICK-MCDUFFIE- RICHMOND- 1047 AM EDT MON OCT 25 2010 ...STRONG THUNDERSTORMS MOVING INTO THE CENTRAL SAVANNAH RIVER AREA... AT 1040 AM...NATIONAL WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS AND THUNDERSTORMS EXTENDING FROM THE LAKE THURMOND AREA SOUTHWESTWARD THROUGH SPARTA. MOVEMENT WAS EASTWARD AND THESE STORMS WILL OVERSPREAD ALL OF THE CENTRAL SAVANNAH RIVER AREA. THE STORMS WILL LIKELY REACH THE THOMSON AREAS AROUND 1130 AM... AND THE AUGUSTA AND WAYNESBORO AREAS AROUND NOON. THE THUNDERSTORMS WILL LIKELY CONTAIN FREQUENT LIGHTNING...WIND GUSTS NEAR 40 MPH...AND HEAVY DOWNPOURS. STRONGER THUNDERSTORMS COULD POSSIBLY OCCUR. LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 2:29 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg | 46 min |
| Oct 25, 3:01 PM EDT | Severe Thunderstorm Warning | CAE | Burke, Richmond | 29 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2010Every 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.