Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 222, NWS Indianapolis, IN

July 18, 1993Vermillion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 18, 1993, 5:10 PM EST for Vermillion County, Indiana. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 18, 1993, 5:10 PM EST (22:10 UTC)
Expired
Jul 18, 1993, 5:45 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Vermillion County, IN

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 10.2 hours before the alert went out and 328 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, Paducah/Barkley, KY at 12:00Z on 1993-07-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3775 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, Paducah/Barkley, KY at 12:00Z on 1993-07-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.1939Sfc1 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
3775 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
971 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
-4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

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The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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.