Alert archive / Indiana / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 33, NWS Northern Indiana

August 2, 1987Adams County, Jay County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at Aug 2, 1987, 10:19 PM EST for Adams County, Jay County, Indiana. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1987, 10:19 PM EST (03:19 UTC)
Expired
Aug 2, 1987, 11:00 PM EST
In force
41 min
Issued by
NWS Northern Indiana
Area
Whole counties

Counties Adams County, IN, Jay 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 00:00Z, 3.3 hours before the alert went out and 101 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 1987-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3437 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 1987-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
3437 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1193 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
89 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 Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 2, 8:53 PM ESTSevere Thunderstorm WarningIWXHuntington, Wells37 min
Aug 2, 9:40 PM ESTSevere Thunderstorm WarningIWXHuntington, Wells50 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1987Every severe thunderstorm warning in 1987

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.