Alert archive / Kentucky / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 96, NWS Louisville, KY

July 28, 1993Jefferson County, Kentucky; Clark County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 28, 1993, 8:09 PM EDT for Jefferson County, Kentucky; Clark County, Indiana. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1993, 8:09 PM EDT (00:09 UTC)
Expired
Jul 28, 1993, 9:00 PM EDT
In force
51 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Clark County, IN, Jefferson County, KY

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 0.2 hours before the alert went out and 258 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, Nashville Metro, TN at 00:00Z on 1993-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3431 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, Nashville Metro, TN at 00:00Z on 1993-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
3431 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
1339 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

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 Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 8:25 PM EDTSevere Thunderstorm WarningLMKLaurel50 min
Jul 28, 8:42 PM EDTSevere Thunderstorm WarningLMKMeade48 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1993Severe Thunderstorm Warnings in Indiana, 1993Every severe thunderstorm warning in 1993

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.