Alert archive / Georgia / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 51, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at May 20, 2008, 3:08 PM EDT for McDuffie County, Georgia. 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 counties it named.
The facts
- Issued
- May 20, 2008, 3:08 PM EDT (19:08 UTC)
- Expired
- May 20, 2008, 4:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Columbia, SC
- Area
- Storm-based polygon
County McDuffie County, GA
The radar
The Robins AFB radar (KJGX), 121 km from the middle of the area, began a volume at 19:08 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 |
|---|---|---|---|
| May 20, 2:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 7.1 hours before the alert went out and 188 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
- 572 J/kg
- Mixed-layer CIN
- -199 J/kg
- Mixed-layer LCL
- 979 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
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 May 20, 1:36 PM EDT, 1 hour 32 minutes earlier.
Area forecast discussion, May 20, 1:36 PM EDT, 1 hour 32 minutes before
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</html>Hazardous weather outlook, May 20, 3:04 PM EDT, 4 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE COLUMBIA SC 304 PM EDT TUE MAY 20 2008 GAZ040-063>065-077-SCZ015-016-018-020>022-025>031-035>038-041-211000- LINCOLN-MCDUFFIE-COLUMBIA-RICHMOND-BURKE-LANCASTER-CHESTERFIELD- MCCORMICK-NEWBERRY-FAIRFIELD-KERSHAW-EDGEFIELD-SALUDA-LEXINGTON- RICHLAND-LEE-AIKEN-SUMTER-BARNWELL-ORANGEBURG-CALHOUN-CLARENDON- BAMBERG- 304 PM EDT TUE MAY 20 2008 ...LAKE WIND ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING... ...SEVERE THUNDERSTORM WATCH 328 IN EFFECT UNTIL 10 PM EDT THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL GEORGIA AND CENTRAL SOUTH CAROLINA. .DAY ONE...THIS AFTERNOON AND TONIGHT PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. LAKE WIND ADVISORY. SEVERE THUNDERSTORM WATCH. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL LIKELY BE NEEDED.
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 3:50 AM EDT | Lake Wind Advisory | CAE | Aiken, Bamberg, Barnwell, Calhoun, Chesterfield, Clarendon and 10 more | 16 hr |
| May 20, 3:47 PM EDT | Severe Thunderstorm Warning | CAE | Aiken | 58 min |
| May 20, 4:17 PM EDT | Severe Thunderstorm Warning | CAE | Barnwell | 58 min |
| May 20, 4:34 PM EDT | Severe Thunderstorm Warning | CAE | Bamberg | 56 min |
| May 20, 4:40 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Lexington, Orangeburg | 65 min |
| May 20, 5:02 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun, Clarendon, Richland, Sumter | 48 min |
| May 20, 5:04 PM EDT | Tornado Warning | CAE | Bamberg, Barnwell | 41 min |
| May 20, 6:19 PM EDT | Severe Thunderstorm Warning | CAE | Barnwell | 41 min |
| May 20, 7:00 PM EDT | Severe Thunderstorm Warning | CAE | Saluda | 60 min |
| May 20, 7:19 PM EDT | Severe Thunderstorm Warning | CAE | Edgefield, McCormick | 41 min |
| May 20, 7:34 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Newberry, Richland | 41 min |
| May 20, 7:56 PM EDT | Severe Thunderstorm Warning | CAE | Lexington, Saluda | 49 min |
| May 20, 3:23 PM EDT | Severe Thunderstorm Warning | CAE | Columbia | 35 min |
| May 20, 3:39 PM EDT | Severe Thunderstorm Warning | CAE | Richmond | 35 min |
| May 20, 5:23 PM EDT | Severe Thunderstorm Warning | CAE | McDuffie | 37 min |
| May 20, 5:33 PM EDT | Severe Thunderstorm Warning | CAE | Columbia, Richmond | 42 min |
| May 20, 5:44 PM EDT | Severe Thunderstorm Warning | CAE | Burke, Richmond | 46 min |
| May 20, 6:31 PM EDT | Tornado Warning | CAE | Burke | 44 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2008Every severe thunderstorm warning in 2008
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.