Alert archive / Texas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 51, NWS Lake Charles, LA

May 18, 1993Angelina County, Nacogdoches County, Texas

NWS Lake Charles, LA issued this severe thunderstorm warning at May 18, 1993, 12:46 PM CDT for Angelina County, Nacogdoches County, Texas. It was in force for 59 min.

The area

The counties it named.

The facts

Issued: May 18, 1993, 12:46 PM CDT (17:46 UTC)
Expired: May 18, 1993, 1:45 PM CDT
In force: 59 min
Issued by: NWS Lake Charles, LA
Area: Whole counties

Counties Angelina County, TX, Nacogdoches County, TX

The nearest sounding before it

Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.8 hours before the alert went out and 199 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: 420 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 697 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: -79 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.

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, May 18, 12:37 PM CDT, 9 minutes before

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Special weather statement, May 18, 12:37 PM CDT, 9 minutes before

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<body>
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    <section class="card" role="status" aria-live="polite">
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Special weather statement, May 18, 12:44 PM CDT, 2 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Lake Charles, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 2:45 PM CDT	Severe Thunderstorm Warning	LCH	Grant	45 min
May 18, 3:29 PM CDT	Severe Thunderstorm Warning	LCH	Grant	61 min
May 18, 4:10 PM CDT	Severe Thunderstorm Warning	LCH	Allen, Beauregard	65 min
May 18, 4:33 PM CDT	Tornado Warning	LCH	Beauregard	27 min

Nearby

Severe Thunderstorm Warnings in Texas, 1993 Every severe thunderstorm warning in 1993

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.