Alert archive / South Carolina / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 15, NWS Columbia, SC
NWS Columbia, SC issued this severe thunderstorm warning at Mar 20, 2001, 10:44 AM EST for Edgefield County, McCormick County, South Carolina; Columbia County, Richmond County, Georgia. It was in force for 46 min. 1 report 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
- Mar 20, 2001, 10:44 AM EST (15:44 UTC)
- Expired
- Mar 20, 2001, 11:30 AM EST
- In force
- 46 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, McCormick County, SC
The radar
The Columbia radar (KCAE), 89 km from the middle of the area, began a volume at 15:44 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 |
|---|---|---|---|
| Mar 20, 11:00 AM EST | Thunderstorm Wind 50 E | Countywide, SC | Sheriff reported scattered trees and powerlines down throughout county. |
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
Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 3.7 hours before the alert went out and 237 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
- 3 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 457 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 1027 m²/s²
- 0-3 km storm-relative helicity
- 1597 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS52 KCAE 201546 SVRCAE GAC073-245-SCC003-011-037-065-201630- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 1044 AM EST TUE MAR 20 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHWESTERN EDGEFIELD COUNTY IN CENTRAL SOUTH CAROLINA WESTERN BARNWELL COUNTY IN CENTRAL SOUTH CAROLINA AIKEN COUNTY IN CENTRAL SOUTH CAROLINA NORTHEASTERN COLUMBIA COUNTY IN EAST CENTRAL GEORGIA SOUTHEASTERN MCCORMICK COUNTY IN CENTRAL SOUTH CAROLINA * UNTIL 1130 AM EST. * AT 1040 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE STORMS ALONG THE SAVANNAH RIVER MOVING NORTHWARD AT 40 MPH. THIS STORM WILL PRODUCE DAMAGING WINDS IN EXCESS OF 55 MPH. STAY INDOORS AWAY FROM WINDOWS. REPORT ANY HAIL...DAMAGING WINDS OR FLOODING TO YOUR COUNTY SHERIFF OR TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. LAT...LON 3362 8234 3313 8162 3345 8127 3391 8218 LV
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 20, 10:44 AM EST | Severe Thunderstorm Warning | CAE | Aiken, Barnwell | 46 min |
| Mar 20, 11:12 AM EST | Severe Thunderstorm Warning | CAE | Bamberg | 48 min |
| Mar 20, 11:27 AM EST | Severe Thunderstorm Warning | CAE | Aiken | 48 min |
Nearby
Severe Thunderstorm Warnings in South Carolina, 2001Severe Thunderstorm Warnings in Georgia, 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.