Alert archive / Georgia / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 138, NWS Jacksonville, FL

June 5, 1998Atkinson County, Coffee County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jun 5, 1998, 8:22 PM EDT for Atkinson County, Coffee County, Georgia. It was in force for 63 min. 2 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
Jun 5, 1998, 8:22 PM EDT (00:22 UTC)
Expired
Jun 5, 1998, 9:25 PM EDT
In force
63 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Atkinson County, GA, Coffee County, GA

What was reported inside it

TimeReportWhereRemark
Jun 5, 8:30 PM EDTThunderstorm WindPearson, GALarge trees and power lines were blown down.
Jun 5, 8:38 PM EDTThunderstorm WindDouglas, GALarge trees 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 5, 7:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 0.4 hours before the alert went out and 151 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.

Skew-T log-pSkew-T log-p diagram, Jacksonville, FL at 00:00Z on 1998-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 867 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jacksonville, FL at 00:00Z on 1998-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
867 J/kg
Mixed-layer CIN
-71 J/kg
Mixed-layer LCL
1790 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 5, 8:22 PM EDTSevere Thunderstorm WarningJAXClinch63 min
Jun 5, 8:33 PM EDTSevere Thunderstorm WarningJAXJeff Davis62 min
Jun 5, 9:16 PM EDTSevere Thunderstorm WarningJAXAppling, Bacon59 min
Jun 5, 9:23 PM EDTSevere Thunderstorm WarningJAXWare62 min
Jun 5, 9:29 PM EDTSevere Thunderstorm WarningJAXPierce61 min
Jun 5, 9:37 PM EDTSevere Thunderstorm WarningJAXBrantley, Wayne63 min
Jun 5, 9:56 PM EDTSevere Thunderstorm WarningJAXCamden, Glynn79 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.