Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 63, NWS Jacksonville, FL

April 11, 1995Union County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at Apr 11, 1995, 9:30 PM EDT for Union County, Florida. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Apr 11, 1995, 9:30 PM EDT (01:30 UTC)
Expired
Apr 11, 1995, 10:30 PM EDT
In force
60 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Union County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 1.5 hours before the alert went out and 82 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 1995-04-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 226 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 1995-04-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
226 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
679 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
Apr 11, 8:45 PM EDTSevere Thunderstorm WarningJAXGilchrist60 min
Apr 11, 9:00 PM EDTSevere Thunderstorm WarningJAXColumbia60 min
Apr 11, 9:20 PM EDTSevere Thunderstorm WarningJAXAlachua70 min
Apr 11, 9:50 PM EDTSevere Thunderstorm WarningJAXBaker55 min
Apr 11, 9:55 PM EDTSevere Thunderstorm WarningJAXBradford65 min

Nearby

Severe Thunderstorm Warnings in Florida, 1995Every severe thunderstorm warning in 1995

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.