Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 119, NWS Indianapolis, IN

July 12, 1986Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 12, 1986, 1:57 PM EST for Jennings County, Indiana. It was in force for 18 min.

The area

The counties it named.

The facts

Issued
Jul 12, 1986, 1:57 PM EST (18:57 UTC)
Expired
Jul 12, 1986, 2:15 PM EST
In force
18 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Jennings County, IN

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.0 hours before the alert went out and 158 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 1986-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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 1986-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 97 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
101 J/kg
Mixed-layer CIN
-40 J/kg
Mixed-layer LCL
612 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
97 m²/s²
0-3 km storm-relative helicity
105 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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 Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 7:35 PM ESTSevere Thunderstorm WarningINDDecatur, Jennings40 min
Jul 12, 12:30 PM ESTSevere Thunderstorm WarningINDBartholomew, Shelby30 min
Jul 12, 12:53 PM ESTSevere Thunderstorm WarningINDDecatur, Rush37 min
Jul 12, 1:20 PM ESTSevere Thunderstorm WarningINDFayette35 min
Jul 12, 2:55 PM ESTSevere Thunderstorm WarningINDWhite35 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1986Every severe thunderstorm warning in 1986

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.