Alert archive / Georgia / Tornado Warnings in 1999
Tornado Warning 9, NWS Charleston, SC
NWS Charleston, SC issued this tornado warning at Apr 15, 1999, 3:29 PM EDT for Effingham County, Screven County, Georgia. It was in force for 46 min. 3 reports 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
- Apr 15, 1999, 3:29 PM EDT (19:29 UTC)
- Expired
- Apr 15, 1999, 4:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Charleston, SC
- Area
- Whole counties
Counties Effingham County, GA, Screven County, GA
The radar
The Charleston,SC radar (KCLX), 42 km from the middle of the area, began a volume at 19:17 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 |
|---|---|---|---|
| Apr 15, 3:39 PM EDT | Hail 1 | Newington, GA | Dime to quarter sized hail covered the ground for a couple of hours. |
| Apr 15, 3:55 PM EDT | Thunderstorm Wind 50 | Springfield, GA | Power lines down. |
| Apr 15, 4:10 PM EDT | Thunderstorm Wind 50 | Clyo, GA | Power lines down. |
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 12:00Z, 7.5 hours before the alert went out and 143 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
- 148 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 695 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 347 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KCHS 151930 RRA TORCHS GAC103-251-152015- BULLETIN...EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE CHARLESTON SC 329 PM EDT THU APR 15 1999 THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A * TORNADO WARNING FOR... NORTHERN EFFINGHAM COUNTY IN SOUTHEASTERN GEORGIA SOUTHERN SCREVEN COUNTY IN SOUTHEASTERN GEORGIA * UNTIL 415 PM EDT * AT 330 PM... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A TORNADO IN EASTERN BULLOCH COUNTY NEAR HIGHWAY 24 EAST OF STATESBORO...MOVING EAST-NORTHEAST AT 35 MPH. * THE TORNADO IS EXPECTED TO BE NEAR... OLIVER AT 345 PM SHAWNEE AT 355 PM CLYO AT 410 PM ABANDON MOBILE HOMES GO IN A NEARBY STURDY BUILDING. AS A LAST RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD. SLB/TJR
The office that day
Everything else NWS Charleston, SC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 12:40 PM EDT | Tornado Warning | CHS | Candler | 35 min |
| Apr 15, 1:00 PM EDT | Tornado Warning | CHS | Bulloch | 45 min |
| Apr 15, 1:18 PM EDT | Tornado Warning | CHS | Screven | 47 min |
| Apr 15, 2:35 PM EDT | Severe Thunderstorm Warning | CHS | Candler | 30 min |
| Apr 15, 2:54 PM EDT | Tornado Warning | CHS | Candler | 31 min |
| Apr 15, 3:00 PM EDT | Tornado Warning | CHS | Bulloch | 30 min |
Nearby
Tornado Warnings in Georgia, 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.