Alert archive / Texas / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 11, NWS Norman, OK

February 21, 1994Clay County, Wichita County, Texas

NWS Norman, OK issued this severe thunderstorm warning at Feb 21, 1994, 3:12 PM CST for Clay County, Wichita County, Texas. It was in force for 48 min.

The area

The counties it named.

The facts

Issued: Feb 21, 1994, 3:12 PM CST (21:12 UTC)
Expired: Feb 21, 1994, 4:00 PM CST
In force: 48 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Clay County, TX, Wichita County, TX

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 9.2 hours before the alert went out and 177 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 918 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 103 m²/s²
0-3 km storm-relative helicity: 116 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.

NWS Norman, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Feb 21, 3:09 PM CST, 3 minutes earlier.

Area forecast discussion, Feb 21, 3:09 PM CST, 3 minutes before

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In the hours before

Local storm report, Feb 21, 2:51 PM CST, 21 minutes before

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Local storm report, Feb 21, 2:55 PM CST, 17 minutes before

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<head>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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The office that day

Everything else NWS Norman, OK issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 21, 4:08 PM CST	Severe Thunderstorm Warning	OUN	Jefferson	67 min
Feb 21, 2:16 PM CST	Severe Thunderstorm Warning	OUN	Wichita, Wilbarger	59 min
Feb 21, 4:48 PM CST	Severe Thunderstorm Warning	OUN	Wichita	57 min

Nearby

Severe Thunderstorm Warnings in Texas, 1994 Every severe thunderstorm warning in 1994

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.