Alert archive / Oklahoma / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 203, NWS Amarillo, TX

August 13, 2008Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Aug 13, 2008, 8:57 PM CDT for Cimarron County, Oklahoma. It was in force for 63 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: Aug 13, 2008, 8:57 PM CDT (01:57 UTC)
Expired: Aug 13, 2008, 10:00 PM CDT
In force: 63 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

County Cimarron County, OK

The radar

The Amarillo radar (KAMA), 183 km from the middle of the area, began a volume at 01:58 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.0 hours before the alert went out and 184 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: 398 J/kg
Mixed-layer CIN: -145 J/kg
Mixed-layer LCL: 1953 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.6

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 13, 6:07 PM CDT, 2 hours 50 minutes earlier.

Area forecast discussion, Aug 13, 6:07 PM CDT, 2 hours 50 minutes before

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Hazardous weather outlook, Aug 13, 3:19 PM CDT, 5 hours 38 minutes before

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In the hours before

Special weather statement, Aug 13, 4:17 PM CDT, 4 hours 40 minutes before

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Special weather statement, Aug 13, 5:16 PM CDT, 3 hours 41 minutes before

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Special weather statement, Aug 13, 5:50 PM CDT, 3 hours 7 minutes before

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Special weather statement, Aug 13, 6:33 PM CDT, 2 hours 24 minutes before

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Special weather statement, Aug 13, 7:30 PM CDT, 1 hour 27 minutes before

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Special weather statement, Aug 13, 8:37 PM CDT, 20 minutes before

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The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 14, 4:20 PM CDT	Severe Thunderstorm Warning	AMA	Sherman	55 min
Aug 14, 5:22 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	53 min
Aug 14, 5:32 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Sherman	58 min
Aug 14, 5:37 PM CDT	Severe Thunderstorm Warning	AMA	Oldham, Potter	53 min
Aug 14, 5:42 PM CDT	Flash Flood Warning	AMA	Lipscomb	63 min
Aug 14, 5:46 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	59 min
Aug 14, 5:51 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	54 min
Aug 14, 6:13 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	62 min
Aug 14, 6:14 PM CDT	Areal Flood Advisory	AMA	Hutchinson	3 hr
Aug 14, 6:23 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill	67 min
Aug 14, 6:53 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham, Potter, Randall	67 min
Aug 14, 6:55 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Wheeler	65 min
Aug 14, 4:37 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	53 min
Aug 14, 5:20 PM CDT	Severe Thunderstorm Warning	AMA	Texas	55 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.