Alert archive / Georgia / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 89, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Dec 17, 2001, 7:56 PM EST for Columbia County, Richmond County, Georgia; Edgefield County, South Carolina. It was in force for 49 min. 3 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Dec 17, 2001, 7:56 PM EST (00:56 UTC)
- Expired
- Dec 17, 2001, 8:45 PM EST
- In force
- 49 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Columbia County, GA, Richmond County, GA, Edgefield County, SC
The radar
The Columbia radar (KCAE), 88 km from the middle of the area, began a volume at 00:58 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 17, 8:12 PM EST | Thunderstorm Wind 50 E | Colliers, SC | Sheriff reported some trees down near hwys 230 and 23. |
| Dec 17, 8:22 PM EST | Thunderstorm Wind 50 E | Martinez, GA | SKYWARN spotter reported powerlines and large branches down. |
| Dec 17, 8:22 PM EST | Thunderstorm Wind 50 E | North Augusta, SC | Highway Patrol reported a couple of trees down near North Augusta on I-20. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Charleston AFB, SC (KCHS), launched 00:00Z, 0.9 hours before the alert went out and 205 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
- 34 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 759 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
712
WUUS52 KCAE 180058
SVRCAE
GAC073-245-SCC037-180145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBIA SC
756 PM EST MON DEC 17 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN RICHMOND COUNTY IN EAST CENTRAL GEORGIA
SOUTHEASTERN COLUMBIA COUNTY IN EAST CENTRAL GEORGIA
SOUTHERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA
* UNTIL 845 PM EST.
* AT 748 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS FROM 8 MILES NORTHEAST OF EDGEFIELD TO
EVANS...OR FROM 26 MILES SOUTHEAST OF GREENWOOD TO 8 MILES WEST OF
AUGUSTA...MOVING EAST AT 35 MPH.
* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
AUGUSTA.
THIS STORM COULD PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH.
LAT...LON 3384 8201 3343 8224 3340 8199 3380 8180
BLPThe office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 8:18 PM EST | Severe Thunderstorm Warning | CAE | Aiken, Lexington | 27 min |
| Dec 17, 8:33 PM EST | Severe Thunderstorm Warning | CAE | Lexington, Richland | 42 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 2001Severe Thunderstorm Warnings in South Carolina, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.