Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 192, NWS Amarillo, TX

July 19, 2015Dallam County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jul 19, 2015, 6:10 PM CDT for Dallam County, Texas. It was in force for 52 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: Jul 19, 2015, 6:10 PM CDT (23:10 UTC)
Expired: Jul 19, 2015, 7:02 PM CDT
In force: 52 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 65.0 mph

County Dallam County, TX

The radar

The Amarillo radar (KAMA), 141 km from the middle of the area, began a volume at 23:11 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 12:00Z, 11.2 hours before the alert went out and 292 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: 36 J/kg
Mixed-layer CIN: -355 J/kg
Mixed-layer LCL: 2096 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 297 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 Jul 19, 4:26 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jul 19, 4:26 PM CDT, 1 hour 44 minutes before

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Hazardous weather outlook, Jul 19, 4:49 PM CDT, 1 hour 21 minutes before

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In the hours before

Special weather statement, Jul 19, 4:52 PM CDT, 1 hour 18 minutes before

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Special weather statement, Jul 19, 4:59 PM CDT, 1 hour 11 minutes before

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Special weather statement, Jul 19, 5:41 PM CDT, 29 minutes before

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Special weather statement, Jul 19, 5:55 PM CDT, 15 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
Jul 18, 10:00 PM CDT	Special Weather Statement	AMA	Dallam	30 min
Jul 18, 11:30 PM CDT	Special Weather Statement	AMA	Hansford	60 min
Jul 19, 4:52 PM CDT	Special Weather Statement	AMA	Oldham	38 min
Jul 19, 4:59 PM CDT	Special Weather Statement	AMA	Dallam	61 min
Jul 19, 5:41 PM CDT	Special Weather Statement	AMA	Oldham	64 min
Jul 19, 5:55 PM CDT	Special Weather Statement	AMA	Dallam	50 min
Jul 18, 7:22 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	53 min
Jul 18, 7:31 PM CDT	Special Weather Statement	AMA	Texas	29 min
Jul 18, 8:01 PM CDT	Special Weather Statement	AMA	Texas	29 min
Jul 18, 8:25 PM CDT	Severe Thunderstorm Warning	AMA	Texas	50 min
Jul 18, 9:07 PM CDT	Areal Flood Advisory	AMA	Texas	4 hr
Jul 18, 9:14 PM CDT	Severe Thunderstorm Warning	AMA	Texas	46 min
Jul 18, 9:51 PM CDT	Special Weather Statement	AMA	Texas	24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Every severe thunderstorm warning in 2015

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.