Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 91, NWS Amarillo, TX

May 25, 2010Hartley County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at May 25, 2010, 4:02 PM CDT for Hartley County, Texas. It was in force for 43 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: May 25, 2010, 4:02 PM CDT (21:02 UTC)
Expired: May 25, 2010, 4:45 PM CDT
In force: 43 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

County Hartley County, TX

The radar

The Amarillo radar (KAMA), 105 km from the middle of the area, began a volume at 21:02 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
May 25, 3:01 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.0 hours before the alert went out and 106 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: 1971 J/kg
Mixed-layer CIN: -25 J/kg
Mixed-layer LCL: 607 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 166 m²/s²
0-3 km storm-relative helicity: 204 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 7.4

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 May 25, 3:32 PM CDT, 30 minutes earlier.

Area forecast discussion, May 25, 3:32 PM CDT, 30 minutes before

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Hazardous weather outlook, May 25, 3:05 PM CDT, 57 minutes before

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In the hours before

Local storm report, May 25, 2:46 PM CDT, 1 hour 16 minutes before

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Local storm report, May 25, 3:00 PM CDT, 1 hour 2 minutes before

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Local storm report, May 25, 3:04 PM CDT, 58 minutes before

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Local storm report, May 25, 3:09 PM CDT, 53 minutes before

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Local storm report, May 25, 3:15 PM CDT, 47 minutes before

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Special weather statement, May 25, 3:42 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
May 24, 7:22 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill, Lipscomb	53 min
May 24, 8:09 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Donley	66 min
May 24, 8:32 PM CDT	Tornado Warning	AMA	Hansford, Ochiltree	28 min
May 24, 8:57 PM CDT	Tornado Warning	AMA	Hansford, Ochiltree	48 min
May 24, 8:59 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Moore, Potter, Randall	61 min
May 24, 9:09 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Collingsworth, Donley, Gray, Wheeler	66 min
May 24, 9:17 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Ochiltree	58 min
May 24, 9:31 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Potter, Roberts	59 min
May 24, 9:38 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Ochiltree, Roberts	67 min
May 24, 10:05 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	55 min
May 24, 10:15 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb, Ochiltree	60 min
May 24, 10:21 PM CDT	Tornado Warning	AMA	Carson, Gray, Hutchinson	24 min
May 24, 10:29 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Potter, Randall	61 min
May 24, 10:37 PM CDT	Tornado Warning	AMA	Carson, Hutchinson	23 min
May 24, 10:53 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Collingsworth, Donley, Gray, Wheeler	67 min
May 24, 10:55 PM CDT	Tornado Warning	AMA	Armstrong, Carson, Donley, Gray	35 min
May 24, 10:57 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson	63 min
May 24, 11:13 PM CDT	Tornado Warning	AMA	Armstrong, Carson, Potter, Randall	32 min
May 24, 11:18 PM CDT	Severe Thunderstorm Warning	AMA	Carson	57 min
May 24, 11:38 PM CDT	Tornado Warning	AMA	Armstrong, Carson, Potter, Randall	22 min
May 24, 11:43 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Potter, Randall	62 min
May 24, 11:51 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Collingsworth, Donley, Gray, Hemphill, Wheeler	54 min
May 24, 11:53 PM CDT	Tornado Warning	AMA	Armstrong, Carson, Potter, Randall	37 min
May 24, 11:59 PM CDT	Tornado Warning	AMA	Carson, Donley, Gray, Roberts	31 min
May 25, 12:03 AM CDT	Tornado Warning	AMA	Potter, Randall	42 min
May 25, 12:09 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Gray, Hutchinson, Randall, Roberts	66 min
May 25, 12:15 AM CDT	Tornado Warning	AMA	Collingsworth, Donley, Wheeler	30 min
May 25, 12:16 AM CDT	Areal Flood Advisory	AMA	Armstrong, Carson, Potter, Randall	4 hr
May 25, 12:28 AM CDT	Tornado Warning	AMA	Armstrong, Carson	32 min
May 25, 12:38 AM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Deaf Smith, Potter, Randall	67 min
May 25, 12:45 AM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Wheeler	35 min
May 25, 12:49 AM CDT	Flash Flood Warning	AMA	Potter, Randall	116 min
May 25, 1:05 AM CDT	Severe Thunderstorm Warning	AMA	Gray, Hemphill, Roberts, Wheeler	55 min
May 25, 1:41 AM CDT	Areal Flood Advisory	AMA	Collingsworth, Donley, Gray, Wheeler	4 hr
May 25, 2:25 AM CDT	Flash Flood Warning	AMA	Potter, Randall	3 hr
May 25, 2:29 AM CDT	Flash Flood Warning	AMA	Carson, Gray	3 hr
May 25, 3:18 AM CDT	Flash Flood Warning	AMA	Armstrong, Carson, Donley, Gray, Potter, Randall	3 hr
May 25, 10:30 AM CDT	Areal Flood Advisory	AMA	Gray	6 hr
May 25, 4:06 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	39 min
May 25, 4:42 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Oldham	63 min
May 25, 4:46 PM CDT	Severe Thunderstorm Warning	AMA	Hartley	59 min
May 25, 5:28 PM CDT	Severe Thunderstorm Warning	AMA	Hartley, Oldham	62 min
May 25, 6:07 PM CDT	Severe Thunderstorm Warning	AMA	Dallam, Hartley	53 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010 Every severe thunderstorm warning in 2010

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.