Alert archive / South Carolina / Tornado Warnings in 1999
Tornado Warning 13, NWS Columbia, SC
NWS Columbia, SC issued this tornado warning at Jun 15, 1999, 11:14 PM EDT for Edgefield County, South Carolina. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 15, 1999, 11:14 PM EDT (03:14 UTC)
- Expired
- Jun 16, 1999, 12:00 AM EDT
- In force
- 46 min
- Issued by
- NWS Columbia, SC
- Area
- Whole counties
County Edgefield County, SC
The radar
The Columbia radar (KCAE), 81 km from the middle of the area, began a volume at 03:14 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 |
|---|---|---|---|
| Jun 15, 11:20 PM EDT | Tornado F0 | Colliers, SC | An F0 took some tops out of trees and took down a fence on a horse farm. |
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, 3.2 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
- 2017 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 805 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
284 WFUS1 KCAE 160313 RRA TORCAE SCC037-160400- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE COLUMBIA SC 1114 PM EDT TUE JUN 15 1999 THE NATIONAL WEATHER SERVICE IN COLUMBIA SC HAS ISSUED A * TORNADO WARNING FOR... EASTERN EDGEFIELD COUNTY IN SOUTH CAROLINA * UNTIL 1200 AM EDT * AT 11:10 PM WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO ABOUT 10 MILES SOUTHWEST OF TRENTON. THIS STORM IS MOVING NORTHEAST ABOUT 15 MPH. DO NOT STAY IN A CAR OR MOBILE HOME DURING A TORNADO. GO TO A STRONG BUILDING. IF NO STRUCTURE IS NEARBY...SEEK SHELTER IN A DITCH OR LOW SPOT.
The office that day
Everything else NWS Columbia, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 15, 11:36 PM EDT | Tornado Warning | CAE | Aiken | 39 min |
| Jun 16, 3:47 PM EDT | Severe Thunderstorm Warning | CAE | Aiken, Lexington | 43 min |
| Jun 16, 6:33 PM EDT | Severe Thunderstorm Warning | CAE | Calhoun | 42 min |
Nearby
Tornado Warnings in South Carolina, 1999Every tornado warning in 1999Tornadoes in 1999
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.