Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 548, NWS Norman, OK

August 17, 1994Stephens County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Aug 17, 1994, 6:24 PM CDT for Stephens County, Oklahoma. It was in force for 66 min.

The area

The counties it named.

The facts

Issued: Aug 17, 1994, 6:24 PM CDT (23:24 UTC)
Expired: Aug 17, 1994, 7:30 PM CDT
In force: 66 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Stephens County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.4 hours before the alert went out and 91 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: 1630 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 203 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 Aug 17, 3:48 PM CDT, 2 hours 36 minutes earlier.

Area forecast discussion, Aug 17, 3:48 PM CDT, 2 hours 36 minutes before

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In the hours before

Local storm report, Aug 17, 3:20 PM CDT, 3 hours 4 minutes before

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Local storm report, Aug 17, 3:30 PM CDT, 2 hours 54 minutes before

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Local storm report, Aug 17, 4:55 PM CDT, 1 hour 29 minutes before

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Local storm report, Aug 17, 4:57 PM CDT, 1 hour 27 minutes before

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Local storm report, Aug 17, 5:45 PM CDT, 39 minutes before

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Local storm report, Aug 17, 5:57 PM CDT, 27 minutes before

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      <p id="message1">
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 17, 1:37 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant	53 min
Aug 17, 2:15 PM CDT	Severe Thunderstorm Warning	OUN	Garfield	45 min
Aug 17, 2:29 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa	31 min
Aug 17, 2:35 PM CDT	Severe Thunderstorm Warning	OUN	Major	40 min
Aug 17, 2:53 PM CDT	Tornado Warning	OUN	Garfield, Major	37 min
Aug 17, 3:05 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	40 min
Aug 17, 3:43 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	62 min
Aug 17, 4:05 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	40 min
Aug 17, 4:28 PM CDT	Severe Thunderstorm Warning	OUN	Grady	62 min
Aug 17, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	47 min
Aug 17, 4:44 PM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	46 min
Aug 17, 5:06 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Woodward	39 min
Aug 17, 5:09 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	51 min
Aug 17, 5:28 PM CDT	Severe Thunderstorm Warning	OUN	Grady	47 min
Aug 17, 5:54 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey	51 min
Aug 17, 5:57 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	48 min
Aug 17, 6:05 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	40 min
Aug 17, 6:08 PM CDT	Severe Thunderstorm Warning	OUN	Comanche	52 min
Aug 17, 6:18 PM CDT	Severe Thunderstorm Warning	OUN	Grady	27 min
Aug 17, 6:30 PM CDT	Severe Thunderstorm Warning	OUN	Washita	45 min
Aug 17, 6:43 PM CDT	Severe Thunderstorm Warning	OUN	Roger Mills	32 min
Aug 17, 6:47 PM CDT	Severe Thunderstorm Warning	OUN	Cotton	58 min
Aug 17, 6:57 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	48 min
Aug 17, 6:58 PM CDT	Severe Thunderstorm Warning	OUN	Jefferson	62 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 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.