Alert archive / Florida / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 99, NWS Jacksonville, FL

May 19, 1995Nassau County, Florida

NWS Jacksonville, FL issued this severe thunderstorm warning at May 19, 1995, 5:00 PM EDT for Nassau County, Florida. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
May 19, 1995, 5:00 PM EDT (21:00 UTC)
Expired
May 19, 1995, 5:45 PM EDT
In force
45 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

County Nassau County, FL

The nearest sounding before it

Jacksonville, FL (KJAX), launched 12:00Z, 9.0 hours before the alert went out and 14 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 1995-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 759 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 1995-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
759 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
104 m²/s²
Significant tornado parameter
0.2
Supercell composite
5.0

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
May 19, 7:50 PM EDTSevere Thunderstorm WarningJAXDuval55 min
May 19, 12:33 PM EDTSevere Thunderstorm WarningJAXBulloch, Candler42 min
May 19, 1:38 PM EDTSevere Thunderstorm WarningJAXBulloch, Evans52 min
May 19, 2:04 PM EDTSevere Thunderstorm WarningJAXLanier, Lowndes41 min
May 19, 4:18 PM EDTSevere Thunderstorm WarningJAXAtkinson, Bacon, Coffee, Ware42 min
May 19, 5:49 PM EDTSevere Thunderstorm WarningJAXMcIntosh41 min
May 19, 6:10 PM EDTSevere Thunderstorm WarningJAXAtkinson35 min
May 19, 6:53 PM EDTSevere Thunderstorm WarningJAXCamden37 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.