Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 73, NWS Jacksonville, FL

May 11, 1995Columbia County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at May 11, 1995, 12:21 PM EDT for Columbia County, Florida. It was in force for 69 min.

The area

The counties it named.

The facts

Issued
May 11, 1995, 12:21 PM EDT (16:21 UTC)
Expired
May 11, 1995, 1:30 PM EDT
In force
69 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Columbia County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 4.4 hours before the alert went out and 94 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 1995-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1658 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 1995-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.19395878Sfc1 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
1658 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
549 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
193 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

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
May 11, 11:18 AM EDTSevere Thunderstorm WarningJAXLafayette, Suwannee57 min
May 11, 11:18 AM EDTSevere Thunderstorm WarningJAXHamilton57 min
May 11, 11:47 AM EDTTornado WarningJAXLafayette43 min
May 11, 1:00 PM EDTSevere Thunderstorm WarningJAXAlachua, Gilchrist60 min
May 11, 1:14 PM EDTSevere Thunderstorm WarningJAXClay61 min
May 11, 1:38 PM EDTTornado WarningJAXClay, Saint Johns67 min
May 11, 2:31 PM EDTTornado WarningJAXPutnam59 min
May 11, 9:30 AM EDTSevere Thunderstorm WarningJAXBerrien60 min
May 11, 9:46 AM EDTSevere Thunderstorm WarningJAXClinch, Lanier59 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.