Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 70, NWS Amarillo, TX

June 17, 2014Deaf Smith County, Oldham County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 17, 2014, 11:41 PM CDT for Deaf Smith County, Oldham County, 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 17, 2014, 11:41 PM CDT (04:41 UTC)
Expired: Jun 18, 2014, 12:45 AM CDT
In force: 64 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Deaf Smith County, TX, Oldham County, TX

The radar

The Amarillo radar (KAMA), 81 km from the middle of the area, began a volume at 04:44 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

Midland Regional, TX (KMAF), launched 00:00Z, 4.7 hours before the alert went out and 362 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: 1195 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 2580 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 119 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

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 17, 6:30 PM CDT, 5 hours 11 minutes earlier.

Area forecast discussion, Jun 17, 6:30 PM CDT, 5 hours 11 minutes before

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Hazardous weather outlook, Jun 17, 11:07 PM CDT, 34 minutes before

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In the hours before

Special weather statement, Jun 17, 11:31 PM CDT, 10 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 17, 11:31 PM CDT	Special Weather Statement	AMA	Deaf Smith	59 min
Jun 18, 12:22 AM CDT	Special Weather Statement	AMA	Moore	38 min
Jun 18, 2:38 PM CDT	Special Weather Statement	AMA	Potter	52 min
Jun 18, 4:04 PM CDT	Special Weather Statement	AMA	Hansford	41 min
Jun 18, 4:17 PM CDT	Special Weather Statement	AMA	Deaf Smith	43 min
Jun 18, 4:20 PM CDT	Special Weather Statement	AMA	Moore	40 min
Jun 18, 4:23 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	67 min
Jun 18, 4:37 PM CDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson, Moore, Potter	53 min
Jun 18, 4:40 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.