Alert archive / Indiana / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 7, NWS Chicago, IL

April 18, 1995Marshall County, Saint Joseph County, Indiana

NWS Chicago, IL issued this severe thunderstorm warning at Apr 18, 1995, 7:00 PM EST for Marshall County, Saint Joseph County, Indiana. It was in force for 45 min.

The area

The counties it named.

The facts

Issued
Apr 18, 1995, 7:00 PM EST (00:00 UTC)
Expired
Apr 18, 1995, 7:45 PM EST
In force
45 min
Issued by
NWS Chicago, IL
Area
Whole counties

Counties Marshall County, IN, Saint Joseph County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 0.0 hours before the alert went out and 247 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 00:00Z on 1995-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 865 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 1995-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 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
865 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1383 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
470 m²/s²
Significant tornado parameter
0.9
Supercell composite
10.2

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 Chicago, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 7:00 PM ESTSevere Thunderstorm WarningLOTLaPorte, Starke35 min
Apr 18, 8:07 PM ESTSevere Thunderstorm WarningLOTElkhart, Kosciusko28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 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.