Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 554, NWS Norman, OK

September 6, 1992Cleveland County, McClain County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Sep 6, 1992, 12:27 AM CDT for Cleveland County, McClain County, Oklahoma. It was in force for 63 min.

The area

The counties it named.

The facts

Issued: Sep 6, 1992, 12:27 AM CDT (05:27 UTC)
Expired: Sep 6, 1992, 1:30 AM CDT
In force: 63 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Cleveland County, OK, McClain County, OK

The radar

The Norman radar (KTLX), 27 km from the middle of the area, began a volume at 05:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.5 hours before the alert went out and 13 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: 3499 J/kg
Mixed-layer CIN: -12 J/kg
Mixed-layer LCL: 1333 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 87 m²/s²
0-3 km storm-relative helicity: 203 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.4

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 Sep 5, 9:38 PM CDT, 2 hours 49 minutes earlier.

Area forecast discussion, Sep 5, 9:38 PM CDT, 2 hours 49 minutes before

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In the hours before

Special weather statement, Sep 5, 10:59 PM CDT, 1 hour 28 minutes before

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Local storm report, Sep 5, 11:30 PM CDT, 57 minutes before

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Local storm report, Sep 6, 12:01 AM CDT, 26 minutes before

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Special weather statement, Sep 6, 12:01 AM CDT, 26 minutes before

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Local storm report, Sep 6, 12:24 AM CDT, 3 minutes before

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Local storm report, Sep 6, 12:26 AM CDT, 1 minute 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
Sep 5, 7:15 PM CDT	Tornado Warning	OUN	Major	60 min
Sep 5, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Dewey, Garfield, Major	64 min
Sep 5, 7:41 PM CDT	Severe Thunderstorm Warning	OUN	Custer	64 min
Sep 5, 7:53 PM CDT	Tornado Warning	OUN	Dewey	52 min
Sep 5, 7:59 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Roger Mills	61 min
Sep 5, 8:20 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Washita	40 min
Sep 5, 8:23 PM CDT	Tornado Warning	OUN	Custer, Washita	37 min
Sep 5, 8:26 PM CDT	Tornado Warning	OUN	Dewey	49 min
Sep 5, 8:27 PM CDT	Tornado Warning	OUN	Beckham	33 min
Sep 5, 8:40 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Noble	50 min
Sep 5, 8:56 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer	64 min
Sep 5, 9:11 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	49 min
Sep 5, 9:19 PM CDT	Severe Thunderstorm Warning	OUN	Washita	56 min
Sep 5, 9:35 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan, Noble	55 min
Sep 5, 9:59 PM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Kiowa	61 min
Sep 5, 9:59 PM CDT	Severe Thunderstorm Warning	OUN	Washita	61 min
Sep 5, 10:59 PM CDT	Severe Thunderstorm Warning	OUN	Greer, Jackson, Kiowa	61 min
Sep 5, 10:59 PM CDT	Severe Thunderstorm Warning	OUN	Washita	61 min
Sep 5, 11:12 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher, Logan, Oklahoma, Payne	63 min
Sep 5, 11:32 PM CDT	Severe Thunderstorm Warning	OUN	Caddo	58 min
Sep 5, 11:55 PM CDT	Severe Thunderstorm Warning	OUN	Kiowa	65 min
Sep 6, 12:03 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma	57 min
Sep 6, 12:03 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Grady	57 min
Sep 6, 12:42 AM CDT	Severe Thunderstorm Warning	OUN	Comanche	63 min
Sep 6, 12:54 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma, Pottawatomie	66 min
Sep 6, 1:16 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	59 min
Sep 6, 1:31 AM CDT	Severe Thunderstorm Warning	OUN	Seminole	59 min
Sep 6, 1:52 AM CDT	Severe Thunderstorm Warning	OUN	Pontotoc	68 min
Sep 6, 2:00 AM CDT	Severe Thunderstorm Warning	OUN	Hughes	60 min
Sep 6, 3:26 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Oklahoma	64 min
Sep 6, 3:49 AM CDT	Severe Thunderstorm Warning	OUN	Logan	56 min
Sep 6, 4:30 AM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	60 min
Sep 6, 4:48 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Pottawatomie	57 min
Sep 6, 6:41 AM CDT	Severe Thunderstorm Warning	OUN	Pontotoc	64 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 1992 Every severe thunderstorm warning in 1992

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; radar from the NEXRAD Level II archive.