Alert archive / Texas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 197, NWS Amarillo, TX

June 27, 2016Ochiltree County, Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 27, 2016, 10:38 PM CDT for Ochiltree County, Texas; Beaver County, Oklahoma. 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: Jun 27, 2016, 10:38 PM CDT (03:38 UTC)
Expired: Jun 27, 2016, 11:21 PM CDT
In force: 43 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Beaver County, OK, Ochiltree County, TX

The radar

The Dodge City radar (KDDC), 151 km from the middle of the area, began a volume at 03:39 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

Dodge City, (KDDC), launched 00:00Z, 3.6 hours before the alert went out and 155 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: 2058 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 1835 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: -3 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Amarillo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 27, 7:22 PM CDT, 3 hours 16 minutes earlier.

Area forecast discussion, Jun 27, 7:22 PM CDT, 3 hours 16 minutes before

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Hazardous weather outlook, Jun 27, 3:55 PM CDT, 6 hours 43 minutes before

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In the hours before

Special weather statement, Jun 27, 10:08 PM CDT, 30 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 28, 12:20 AM CDT	Special Weather Statement	AMA	Hemphill	25 min
Jun 28, 2:51 PM CDT	Special Weather Statement	AMA	Lipscomb	39 min
Jun 28, 3:33 PM CDT	Special Weather Statement	AMA	Lipscomb	42 min
Jun 28, 5:06 PM CDT	Special Weather Statement	AMA	Hemphill	39 min
Jun 27, 10:08 PM CDT	Special Weather Statement	AMA	Beaver	52 min
Jun 28, 4:39 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2016 Severe Thunderstorm Warnings in Oklahoma, 2016 Every severe thunderstorm warning in 2016

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.