Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 129, NWS Norman, OK

June 6, 20146 counties in Oklahoma

NWS Norman, OK issued this severe thunderstorm warning at Jun 6, 2014, 6:51 AM CDT for 6 counties in Oklahoma. It was in force for 39 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: Jun 6, 2014, 6:51 AM CDT (11:51 UTC)
Expired: Jun 6, 2014, 7:30 AM CDT
In force: 39 min
Issued by: NWS Norman, OK
Area: Storm-based polygon
Hail: 1.25 in
Wind: 70.0 mph

Counties Garfield County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Payne County, OK

The radar

The Norman radar (KTLX), 82 km from the middle of the area, began a volume at 11:54 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
Jun 6, 1:43 AM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 11.9 hours before the alert went out and 94 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: 1680 J/kg
Mixed-layer CIN: -224 J/kg
Mixed-layer LCL: 1878 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 166 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.0

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 Jun 6, 6:47 AM CDT, 4 minutes earlier.

Area forecast discussion, Jun 6, 6:47 AM CDT, 4 minutes before

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Hazardous weather outlook, Jun 6, 3:50 AM CDT, 3 hours 1 minute before

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In the hours before

Special weather statement, Jun 6, 5:12 AM CDT, 1 hour 39 minutes before

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Special weather statement, Jun 6, 5:56 AM CDT, 55 minutes before

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Special weather statement, Jun 6, 6:22 AM CDT, 29 minutes before

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Special weather statement, Jun 6, 6:28 AM CDT, 23 minutes before

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Local storm report, Jun 6, 6:31 AM CDT, 20 minutes before

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Special weather statement, Jun 6, 6:35 AM CDT, 16 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
Jun 5, 9:50 PM CDT	Special Weather Statement	OUN	Kay	25 min
Jun 5, 10:10 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	35 min
Jun 5, 11:06 PM CDT	Special Weather Statement	OUN	Noble	24 min
Jun 6, 12:59 AM CDT	Special Weather Statement	OUN	Noble	31 min
Jun 6, 1:21 AM CDT	Severe Thunderstorm Warning	OUN	Garfield, Grant	39 min
Jun 6, 2:01 AM CDT	Special Weather Statement	OUN	Noble	29 min
Jun 6, 2:31 AM CDT	Special Weather Statement	OUN	Noble	29 min
Jun 6, 3:07 AM CDT	Special Weather Statement	OUN	Payne	23 min
Jun 6, 3:22 AM CDT	Special Weather Statement	OUN	Beckham, Roger Mills	38 min
Jun 6, 3:27 AM CDT	Severe Thunderstorm Warning	OUN	Payne	29 min
Jun 6, 3:30 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Custer, Roger Mills, Washita	45 min
Jun 6, 4:15 AM CDT	Special Weather Statement	OUN	Custer, Washita	30 min
Jun 6, 4:28 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon	47 min
Jun 6, 4:49 AM CDT	Special Weather Statement	OUN	Woodward	26 min
Jun 6, 5:00 AM CDT	Severe Thunderstorm Warning	OUN	Beckham, Greer, Harmon, Jackson, Kiowa, Washita	45 min
Jun 6, 5:09 AM CDT	Special Weather Statement	OUN	Caddo	36 min
Jun 6, 5:12 AM CDT	Special Weather Statement	OUN	Woodward	33 min
Jun 6, 5:49 AM CDT	Severe Thunderstorm Warning	OUN	Canadian	41 min
Jun 6, 5:51 AM CDT	Areal Flood Advisory	OUN	Ellis, Harper, Woodward	3 hr
Jun 6, 5:56 AM CDT	Special Weather Statement	OUN	Caddo	34 min
Jun 6, 6:05 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	40 min
Jun 6, 6:22 AM CDT	Special Weather Statement	OUN	Comanche	23 min
Jun 6, 6:28 AM CDT	Special Weather Statement	OUN	Oklahoma	32 min
Jun 6, 6:35 AM CDT	Special Weather Statement	OUN	Grady	25 min
Jun 6, 6:40 AM CDT	Severe Thunderstorm Warning	OUN	Caddo, Carter, Comanche, Cotton, Garvin, Grady and 2 more	50 min
Jun 6, 6:43 AM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, Kingfisher, Lincoln, Logan and 3 more	47 min
Jun 6, 7:19 AM CDT	Special Weather Statement	OUN	Alfalfa	26 min
Jun 6, 7:20 AM CDT	Special Weather Statement	OUN	Harmon	25 min
Jun 6, 7:29 AM CDT	Special Weather Statement	OUN	Cleveland, Lincoln, Pottawatomie	46 min
Jun 6, 7:32 AM CDT	Special Weather Statement	OUN	Noble, Payne	43 min
Jun 6, 8:04 AM CDT	Severe Thunderstorm Warning	OUN	Carter, Coal, Garvin, Hughes, Johnston, Murray and 2 more	41 min
Jun 6, 8:12 AM CDT	Special Weather Statement	OUN	Grant	33 min
Jun 6, 8:23 AM CDT	Special Weather Statement	OUN	Hughes, Lincoln, Payne, Seminole	37 min
Jun 6, 8:42 AM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Carter, Coal, Hughes, Johnston and 4 more	48 min
Jun 6, 8:46 AM CDT	Special Weather Statement	OUN	Grant	29 min
Jun 6, 8:51 AM CDT	Severe Thunderstorm Warning	OUN	Grant, Kay	24 min
Jun 6, 9:23 AM CDT	Special Weather Statement	OUN	Comanche	22 min
Jun 6, 9:55 AM CDT	Special Weather Statement	OUN	Garvin	35 min
Jun 6, 10:38 AM CDT	Special Weather Statement	OUN	Johnston	37 min
Jun 6, 11:37 AM CDT	Special Weather Statement	OUN	Johnston, Marshall	23 min
Jun 6, 2:44 PM CDT	Flash Flood Watch	OUN	Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 37 more	3 days

Nearby

Severe Thunderstorm Warnings in Oklahoma, 2014 Every severe thunderstorm warning in 2014

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.