Alert archive / Georgia / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 45, NWS Jacksonville, FL
NWS Jacksonville, FL issued this severe thunderstorm warning at Feb 28, 1998, 1:52 AM EST for Bacon County, Georgia. It was in force for 33 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
- Feb 28, 1998, 1:52 AM EST (06:52 UTC)
- Expired
- Feb 28, 1998, 2:25 AM EST
- In force
- 33 min
- Issued by
- NWS Jacksonville, FL
- Area
- Whole counties
County Bacon County, GA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 28, 2:05 AM EST | Thunderstorm Wind | Alma, GA | Large tress and power lines were blown 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
Jacksonville, FL (KJAX), launched 00:00Z, 6.9 hours before the alert went out and 137 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
- 602 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1245 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 43 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Jacksonville, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 27, 9:10 PM EST, 4 hours 42 minutes earlier.
Area forecast discussion, Feb 27, 9:10 PM EST, 4 hours 42 minutes before
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</html>The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 28, 3:45 AM EST | Flash Flood Warning | JAX | Hamilton | 6 hr |
| Feb 28, 4:00 AM EST | Severe Thunderstorm Warning | JAX | Columbia | 35 min |
| Feb 28, 4:22 AM EST | Severe Thunderstorm Warning | JAX | Baker | 33 min |
| Feb 28, 9:45 AM EST | Flash Flood Warning | JAX | Hamilton | 6 hr |
| Feb 28, 1:35 AM EST | Severe Thunderstorm Warning | JAX | Coffee | 30 min |
| Feb 28, 2:05 AM EST | Severe Thunderstorm Warning | JAX | Appling | 30 min |
| Feb 28, 2:29 AM EST | Severe Thunderstorm Warning | JAX | Brantley | 31 min |
Nearby
Severe Thunderstorm Warnings in Georgia, 1998Every severe thunderstorm warning in 1998
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.