Alert archive / Indiana / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 30, NWS Northern Indiana

July 11, 1993Adams County, Wells County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Jul 11, 1993, 4:07 PM EST for Adams County, Wells County, Indiana. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1993, 4:07 PM EST (21:07 UTC)
Expired
Jul 11, 1993, 5:00 PM EST
In force
53 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Adams County, IN, Wells County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 9.1 hours before the alert went out and 119 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 1993-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 593 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 1993-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
593 J/kg
Mixed-layer CIN
-94 J/kg
Mixed-layer LCL
1106 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

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 Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 2:37 PM ESTSevere Thunderstorm WarningIWXAllen, Whitley53 min
Jul 11, 3:19 PM ESTSevere Thunderstorm WarningIWXAdams, Wells41 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.