Alert archive / Oklahoma / Tornado Warnings in 1993

Tornado Warning 28, NWS Norman, OK

May 7, 1993Ellis County, Woodward County, Oklahoma

NWS Norman, OK issued this tornado warning at May 7, 1993, 6:47 PM CDT for Ellis County, Woodward County, Oklahoma. It was in force for 43 min.

The area

The counties it named.

The facts

Issued: May 7, 1993, 6:47 PM CDT (23:47 UTC)
Expired: May 7, 1993, 7:30 PM CDT
In force: 43 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Ellis County, OK, Woodward County, OK

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.8 hours before the alert went out and 165 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: 2163 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 97 m²/s²
0-3 km storm-relative helicity: 136 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

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 tornado 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 tornado warning went out at May 7, 3:40 PM CDT, 3 hours 7 minutes earlier.

Area forecast discussion, May 7, 3:40 PM CDT, 3 hours 7 minutes before

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In the hours before

Special weather statement, May 7, 3:15 PM CDT, 3 hours 32 minutes before

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Local storm report, May 7, 4:40 PM CDT, 2 hours 7 minutes before

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Local storm report, May 7, 4:41 PM CDT, 2 hours 6 minutes before

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Local storm report, May 7, 5:43 PM CDT, 1 hour 4 minutes before

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Local storm report, May 7, 5:45 PM CDT, 1 hour 2 minutes before

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Local storm report, May 7, 6:47 PM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 7:15 PM CDT	Flash Flood Warning	OUN	Bryan	5 hr
May 7, 3:55 PM CDT	Severe Thunderstorm Warning	OUN	Harper	50 min
May 7, 4:49 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	41 min
May 7, 5:30 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper, Woods	60 min
May 7, 5:47 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Roger Mills	58 min
May 7, 5:55 PM CDT	Tornado Warning	OUN	Ellis	50 min
May 7, 6:21 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	39 min
May 7, 6:55 PM CDT	Severe Thunderstorm Warning	OUN	Beckham	50 min

Nearby

Tornado Warnings in Oklahoma, 1993 Every tornado warning in 1993 Tornadoes 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.