Alert archive / Indiana / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 106, NWS Indianapolis, IN

July 11, 1986Parke County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 11, 1986, 3:34 PM EST for Parke County, Indiana. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jul 11, 1986, 3:34 PM EST (20:34 UTC)
Expired
Jul 11, 1986, 4:00 PM EST
In force
26 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Parke 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

Salem-Leckrone, IL (KSLO), launched 12:00Z, 8.6 hours before the alert went out and 192 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, Salem-Leckrone, IL at 12:00Z on 1986-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1572 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, Salem-Leckrone, IL at 12:00Z on 1986-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
1572 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
682 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 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 10, 7:10 PM ESTSevere Thunderstorm WarningINDBenton35 min
Jul 11, 2:50 PM ESTSevere Thunderstorm WarningINDWayne30 min
Jul 11, 4:18 PM ESTSevere Thunderstorm WarningINDVigo42 min
Jul 11, 4:40 PM ESTSevere Thunderstorm WarningINDMarion50 min
Jul 11, 4:50 PM ESTSevere Thunderstorm WarningINDHamilton40 min
Jul 11, 5:10 PM ESTSevere Thunderstorm WarningINDHancock35 min
Jul 11, 5:50 PM ESTSevere Thunderstorm WarningINDHenry40 min
Jul 11, 5:58 PM ESTSevere Thunderstorm WarningINDDelaware32 min
Jul 11, 6:13 PM ESTSevere Thunderstorm WarningINDJohnson37 min
Jul 11, 6:13 PM ESTSevere Thunderstorm WarningINDShelby47 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.