Alert archive / Indiana / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 48, NWS Louisville, KY

July 30, 1992Orange County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 30, 1992, 3:22 PM EST for Orange County, Indiana. It was in force for 38 min.

The area

The counties it named.

The facts

Issued: Jul 30, 1992, 3:22 PM EST (20:22 UTC)
Expired: Jul 30, 1992, 4:00 PM EST
In force: 38 min
Issued by: NWS Louisville, KY
Area: Whole counties

County Orange County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.4 hours before the alert went out and 249 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 30, 11:01 AM EST, 4 hours 21 minutes before

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Special weather statement, Jul 30, 2:31 PM EST, 51 minutes before

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Special weather statement, Jul 30, 3:09 PM EST, 13 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 30, 5:13 PM EST	Severe Thunderstorm Warning	LMK	Oldham	32 min
Jul 30, 5:23 PM EST	Severe Thunderstorm Warning	LMK	Bullitt, Nelson	37 min
Jul 30, 5:28 PM EST	Severe Thunderstorm Warning	LMK	Jefferson	32 min
Jul 30, 5:39 PM EST	Severe Thunderstorm Warning	LMK	Larue	36 min
Jul 30, 5:59 PM EST	Severe Thunderstorm Warning	LMK	Hardin	31 min
Jul 30, 6:03 PM EST	Severe Thunderstorm Warning	LMK	Boyle, Mercer	42 min
Jul 30, 6:03 PM EST	Severe Thunderstorm Warning	LMK	Anderson	42 min
Jul 30, 6:22 PM EST	Severe Thunderstorm Warning	LMK	Marion, Taylor	38 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1992 Every 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.