Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 175, NWS Norman, OK

May 10, 1992Pottawatomie County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at May 10, 1992, 10:18 PM CDT for Pottawatomie County, Oklahoma. It was in force for 57 min.

The area

The counties it named.

The facts

Issued: May 10, 1992, 10:18 PM CDT (03:18 UTC)
Expired: May 10, 1992, 11:15 PM CDT
In force: 57 min
Issued by: NWS Norman, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Pottawatomie County, OK

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 3.3 hours before the alert went out and 41 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: 900 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1285 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 71 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 3.4

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.

In the hours before

Local storm report, May 10, 8:18 PM CDT, 2 hours before

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Local storm report, May 10, 8:27 PM CDT, 1 hour 51 minutes before

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Local storm report, May 10, 8:33 PM CDT, 1 hour 45 minutes before

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Local storm report, May 10, 8:45 PM CDT, 1 hour 33 minutes before

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Special weather statement, May 10, 9:19 PM CDT, 59 minutes before

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Local storm report, May 10, 9:22 PM CDT, 56 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 10, 7:12 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	63 min
May 10, 7:56 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Grady	49 min
May 10, 8:36 PM CDT	Severe Thunderstorm Warning	OUN	Oklahoma	54 min
May 10, 8:42 PM CDT	Severe Thunderstorm Warning	OUN	Garfield	48 min
May 10, 9:24 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	66 min
May 10, 9:30 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	60 min
May 11, 1:15 PM CDT	Severe Thunderstorm Warning	OUN	McClain, Pontotoc, Pottawatomie, Seminole	45 min
May 11, 1:22 PM CDT	Severe Thunderstorm Warning	OUN	Murray	53 min
May 11, 1:29 PM CDT	Tornado Warning	OUN	Garvin, Pontotoc	31 min
May 11, 1:39 PM CDT	Severe Thunderstorm Warning	OUN	Jefferson	51 min
May 11, 1:45 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Payne	60 min
May 11, 1:45 PM CDT	Severe Thunderstorm Warning	OUN	Jefferson	60 min
May 11, 1:55 PM CDT	Tornado Warning	OUN	Pontotoc	50 min
May 11, 2:15 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	60 min
May 11, 2:21 PM CDT	Severe Thunderstorm Warning	OUN	Love	69 min
May 11, 2:37 PM CDT	Severe Thunderstorm Warning	OUN	Johnston, Murray	68 min
May 11, 2:45 PM CDT	Tornado Warning	OUN	Coal, Pontotoc	45 min
May 11, 3:15 PM CDT	Severe Thunderstorm Warning	OUN	Hughes	45 min
May 11, 3:26 PM CDT	Severe Thunderstorm Warning	OUN	Love, Marshall	64 min
May 11, 3:45 PM CDT	Tornado Warning	OUN	Coal	45 min
May 11, 4:19 PM CDT	Tornado Warning	OUN	Atoka	36 min
May 11, 4:27 PM CDT	Tornado Warning	OUN	Bryan	48 min
May 11, 4:30 PM CDT	Severe Thunderstorm Warning	OUN	Coal	60 min
May 11, 4:37 PM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	68 min
May 11, 4:50 PM CDT	Severe Thunderstorm Warning	OUN	Atoka	55 min
May 11, 4:58 PM CDT	Tornado Warning	OUN	Kay	47 min
May 11, 5:03 PM CDT	Tornado Warning	OUN	Bryan	42 min
May 11, 5:06 PM CDT	Severe Thunderstorm Warning	OUN	Marshall	54 min
May 11, 5:21 PM CDT	Severe Thunderstorm Warning	OUN	Pushmataha	69 min
May 11, 5:44 PM CDT	Severe Thunderstorm Warning	OUN	Choctaw	61 min
May 11, 5:45 PM CDT	Severe Thunderstorm Warning	OUN	Kay	30 min
May 11, 5:58 PM CDT	Severe Thunderstorm Warning	OUN	Bryan	47 min
May 11, 6:28 PM CDT	Severe Thunderstorm Warning	OUN	Pushmataha	47 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.