Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 232, NWS Norman, OK

April 8, 2008Lincoln County, Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Apr 8, 2008, 12:27 AM CDT for Lincoln County, Oklahoma. It was in force for 48 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 8, 2008, 12:27 AM CDT (05:27 UTC)
Expired: Apr 8, 2008, 1:15 AM CDT
In force: 48 min
Issued by: NWS Norman, OK
Area: Storm-based polygon

County Lincoln County, OK

The radar

The Norman radar (KTLX), 55 km from the middle of the area, began a volume at 05:27 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 7, 7:28 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 5.5 hours before the alert went out and 71 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: 560 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1836 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 391 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 7.1

Open this sounding in Storm Lab

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 Apr 7, 9:04 PM CDT, 3 hours 23 minutes earlier.

Area forecast discussion, Apr 7, 9:04 PM CDT, 3 hours 23 minutes before

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Hazardous weather outlook, Apr 7, 10:30 PM CDT, 1 hour 57 minutes before

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In the hours before

Local storm report, Apr 7, 11:48 PM CDT, 39 minutes before

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Special weather statement, Apr 8, 12:02 AM CDT, 25 minutes before

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Special weather statement, Apr 8, 12:09 AM CDT, 18 minutes before

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Local storm report, Apr 8, 12:12 AM CDT, 15 minutes before

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Special weather statement, Apr 8, 12:17 AM CDT, 10 minutes before

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Local storm report, Apr 8, 12:19 AM CDT, 8 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
Apr 7, 7:00 PM CDT	Severe Thunderstorm Warning	OUN	Payne	45 min
Apr 7, 7:27 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Tillman	44 min
Apr 7, 7:35 PM CDT	Severe Thunderstorm Warning	OUN	Payne	40 min
Apr 7, 7:47 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher, Logan	43 min
Apr 7, 7:56 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	49 min
Apr 7, 7:57 PM CDT	Severe Thunderstorm Warning	OUN	Comanche, Cotton	33 min
Apr 7, 8:10 PM CDT	Severe Thunderstorm Warning	OUN	Payne	20 min
Apr 7, 8:14 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Payne	46 min
Apr 7, 8:18 PM CDT	Severe Thunderstorm Warning	OUN	Stephens	42 min
Apr 7, 8:46 PM CDT	Severe Thunderstorm Warning	OUN	Garvin, Grady, Stephens	25 min
Apr 7, 10:01 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	44 min
Apr 7, 10:27 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	29 min
Apr 7, 10:36 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	24 min
Apr 7, 10:58 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Logan, Oklahoma	47 min
Apr 7, 11:13 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Logan, Payne	40 min
Apr 7, 11:39 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	51 min
Apr 7, 11:44 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma	46 min
Apr 8, 12:24 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Noble, Payne	51 min
Apr 8, 12:30 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan, Noble	30 min
Apr 8, 12:58 AM CDT	Severe Thunderstorm Warning	OUN	Payne	32 min
Apr 8, 1:04 AM CDT	Severe Thunderstorm Warning	OUN	Woods	11 min
Apr 8, 1:14 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Payne	16 min
Apr 8, 1:27 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Payne	33 min
Apr 8, 1:55 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Payne	35 min
Apr 8, 1:57 AM CDT	Severe Thunderstorm Warning	OUN	Payne	18 min
Apr 8, 1:59 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant, Kay, Noble	46 min
Apr 8, 2:29 AM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	16 min
Apr 8, 2:44 AM CDT	Severe Thunderstorm Warning	OUN	Logan, Noble, Payne	46 min
Apr 8, 3:31 AM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Payne	44 min
Apr 7, 7:02 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor	43 min
Apr 7, 7:25 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Wichita	50 min
Apr 7, 7:46 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	44 min
Apr 7, 8:28 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Clay	62 min

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2008 Every severe thunderstorm warning in 2008

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.