Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 94, NWS Louisville, KY

July 28, 1993Floyd County, Harrison County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 28, 1993, 7:57 PM EDT for Floyd County, Harrison County, Indiana. It was in force for 33 min.

The area

The counties it named.

The facts

Issued
Jul 28, 1993, 7:57 PM EDT (23:57 UTC)
Expired
Jul 28, 1993, 8:30 PM EDT
In force
33 min
Issued by
NWS Louisville, KY
Area
Whole counties

Counties Floyd County, IN, Harrison County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 12.0 hours before the alert went out and 240 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, Dayton/James M C, OH at 12:00Z on 1993-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1376 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, Dayton/James M C, OH at 12:00Z on 1993-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 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
1376 J/kg
Mixed-layer CIN
-81 J/kg
Mixed-layer LCL
1186 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

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 Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 6:19 PM EDTSevere Thunderstorm WarningLMKOrange56 min
Jul 28, 7:13 PM EDTSevere Thunderstorm WarningLMKWashington32 min
Jul 28, 7:13 PM EDTSevere Thunderstorm WarningLMKCrawford47 min
Jul 28, 7:20 PM EDTSevere Thunderstorm WarningLMKOrange25 min
Jul 28, 7:57 PM EDTSevere Thunderstorm WarningLMKCrawford18 min

Nearby

Severe 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.