Alert archive / Kentucky / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 276, NWS Louisville, KY

July 7, 1996Jefferson County, Oldham County, Kentucky; Clark County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jul 7, 1996, 8:46 PM EDT for Jefferson County, Oldham County, Kentucky; Clark County, Indiana. It was in force for 59 min. 4 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jul 7, 1996, 8:46 PM EDT (00:46 UTC)
Expired: Jul 7, 1996, 9:45 PM EDT
In force: 59 min
Issued by: NWS Louisville, KY
Area: Whole counties

Counties Clark County, IN, Jefferson County, KY, Oldham County, KY

What was reported inside it

Time	Report	Where
Jul 7, 8:55 PM EDT	Thunderstorm Wind 50	New Washington, IN
Jul 7, 9:00 PM EDT	Thunderstorm Wind 52	La Grange, KY
Jul 7, 9:05 PM EDT	Thunderstorm Wind 50	Pewee Vly, KY
Jul 7, 9:10 PM EDT	Thunderstorm Wind 50	Louisville, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 0.8 hours before the alert went out and 197 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: 3214 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 850 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 65 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 5.9

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

Local storm report, Jul 7, 7:40 PM EDT, 1 hour 6 minutes before

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Local storm report, Jul 7, 7:44 PM EDT, 1 hour 2 minutes before

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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <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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      <p id="message2">
        Please try again in a few minutes.
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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 7, 9:30 PM EDT	Severe Thunderstorm Warning	LMK	Bullitt, Spencer	45 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1996 Severe Thunderstorm Warnings in Indiana, 1996 Every severe thunderstorm warning in 1996

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.