Alert archive / Georgia / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 99, NWS Jacksonville, FL

July 10, 1994Long County, Wayne County, Georgia

NWS Jacksonville, FL issued this severe thunderstorm warning at Jul 10, 1994, 6:17 PM EDT for Long County, Wayne County, Georgia. It was in force for 43 min.

The area

The counties it named.

The facts

Issued
Jul 10, 1994, 6:17 PM EDT (22:17 UTC)
Expired
Jul 10, 1994, 7:00 PM EDT
In force
43 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Long County, GA, Wayne County, GA

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 10.3 hours before the alert went out and 129 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 12:00Z on 1994-07-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 875 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 12:00Z on 1994-07-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939Sfc1 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
875 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1013 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jul 9, 8:19 PM EDTSevere Thunderstorm WarningJAXAtkinson41 min
Jul 9, 8:40 PM EDTSevere Thunderstorm WarningJAXCoffee50 min
Jul 9, 9:21 PM EDTSevere Thunderstorm WarningJAXAppling39 min
Jul 10, 5:14 PM EDTSevere Thunderstorm WarningJAXCamden46 min
Jul 10, 7:29 PM EDTSevere Thunderstorm WarningJAXChatham46 min
Jul 10, 7:51 PM EDTSevere Thunderstorm WarningJAXEffingham54 min

Nearby

Severe Thunderstorm Warnings in Georgia, 1994Every severe thunderstorm warning in 1994

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.