Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 82, NWS Amarillo, TX

June 7, 20135 counties in Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 7, 2013, 8:56 PM CDT for 5 counties in Texas. It was in force for 64 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 7, 2013, 8:56 PM CDT (01:56 UTC)
Expired: Jun 7, 2013, 10:00 PM CDT
In force: 64 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Hartley County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 72 km from the middle of the area, began a volume at 01:59 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 7, 3:09 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 1.9 hours before the alert went out and 72 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: 181 J/kg
Mixed-layer CIN: -85 J/kg
Mixed-layer LCL: 2246 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -5 m²/s²
0-3 km storm-relative helicity: 123 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

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 Jun 7, 6:03 PM CDT, 2 hours 53 minutes earlier.

Area forecast discussion, Jun 7, 6:03 PM CDT, 2 hours 53 minutes before

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Hazardous weather outlook, Jun 7, 8:49 PM CDT, 7 minutes before

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In the hours before

Local storm report, Jun 7, 7:25 PM CDT, 1 hour 31 minutes before

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Local storm report, Jun 7, 7:36 PM CDT, 1 hour 20 minutes before

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Special weather statement, Jun 7, 7:42 PM CDT, 1 hour 14 minutes before

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Local storm report, Jun 7, 7:52 PM CDT, 1 hour 4 minutes before

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Special weather statement, Jun 7, 8:03 PM CDT, 53 minutes before

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Special weather statement, Jun 7, 8:31 PM CDT, 25 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
Jun 7, 7:22 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	38 min
Jun 7, 7:41 PM CDT	Areal Flood Advisory	AMA	Hansford, Hutchinson, Moore, Sherman	3 hr
Jun 7, 7:42 PM CDT	Special Weather Statement	AMA	Dallam	63 min
Jun 7, 7:47 PM CDT	Areal Flood Advisory	AMA	Ochiltree, Roberts	3 hr
Jun 7, 7:54 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	66 min
Jun 7, 8:03 PM CDT	Special Weather Statement	AMA	Hutchinson	57 min
Jun 7, 8:31 PM CDT	Special Weather Statement	AMA	Moore	59 min
Jun 7, 8:51 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Roberts	54 min
Jun 7, 9:42 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Deaf Smith, Oldham, Potter, Randall	63 min
Jun 7, 10:01 PM CDT	Special Weather Statement	AMA	Hutchinson	29 min
Jun 7, 10:30 PM CDT	Special Weather Statement	AMA	Hutchinson	30 min
Jun 7, 10:31 PM CDT	Areal Flood Advisory	AMA	Hansford, Hutchinson, Ochiltree, Roberts	3 hr
Jun 7, 10:40 PM CDT	Areal Flood Advisory	AMA	Armstrong, Carson, Potter, Randall	110 min
Jun 7, 10:45 PM CDT	Special Weather Statement	AMA	Carson, Potter, Randall	30 min
Jun 7, 11:14 PM CDT	Special Weather Statement	AMA	Armstrong, Carson	31 min
Jun 8, 3:09 PM CDT	Special Weather Statement	AMA	Sherman	66 min
Jun 8, 4:13 PM CDT	Special Weather Statement	AMA	Dallam	62 min
Jun 8, 5:38 PM CDT	Special Weather Statement	AMA	Oldham	52 min
Jun 8, 6:09 PM CDT	Special Weather Statement	AMA	Sherman	51 min
Jun 8, 6:34 PM CDT	Special Weather Statement	AMA	Deaf Smith	41 min
Jun 8, 5:48 PM CDT	Special Weather Statement	AMA	Beaver	57 min
Jun 8, 6:13 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	62 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.