Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 130, NWS Indianapolis, IN

July 30, 1992Hamilton County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 30, 1992, 2:10 PM EST for Hamilton County, Indiana. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jul 30, 1992, 2:10 PM EST (19:10 UTC)
Expired
Jul 30, 1992, 2:45 PM EST
In force
35 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County Hamilton County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.2 hours before the alert went out and 159 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 1992-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 275 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 1992-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 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
275 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1037 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 Indianapolis, IN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 30, 2:45 AM ESTSevere Thunderstorm WarningINDFayette30 min
Jul 30, 2:21 PM ESTTornado WarningINDParke, Vigo39 min
Jul 30, 2:25 PM ESTSevere Thunderstorm WarningINDClay25 min
Jul 30, 2:50 PM ESTSevere Thunderstorm WarningINDDelaware40 min
Jul 30, 2:56 PM ESTSevere Thunderstorm WarningINDMartin34 min
Jul 30, 3:31 PM ESTSevere Thunderstorm WarningINDLawrence29 min
Jul 30, 4:01 PM ESTSevere Thunderstorm WarningINDDaviess, Ohio29 min
Jul 30, 5:12 PM ESTSevere Thunderstorm WarningINDGrayson48 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992Every severe thunderstorm warning in 1992

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.