Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 218, NWS Amarillo, TX

June 19, 2007Deaf Smith County, Texas

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 19, 2007, 7:00 PM CDT for Deaf Smith County, Texas. It was in force for 75 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 19, 2007, 7:00 PM CDT (00:00 UTC)
Expired: Jun 19, 2007, 8:15 PM CDT
In force: 75 min
Issued by: NWS Amarillo, TX
Area: Counties, with a storm outline in the text

County Deaf Smith County, TX

The radar

The Amarillo radar (KAMA), 87 km from the middle of the area, began a volume at 00:03 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 19, 5:22 PM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.0 hours before the alert went out and 87 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: 3305 J/kg
Mixed-layer CIN: -26 J/kg
Mixed-layer LCL: 1823 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.1

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 19, 5:34 PM CDT, 1 hour 26 minutes earlier.

Area forecast discussion, Jun 19, 5:34 PM CDT, 1 hour 26 minutes before

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Hazardous weather outlook, Jun 19, 6:12 PM CDT, 48 minutes before

TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE AMARILLO TX
612 PM CDT TUE JUN 19 2007

OKZ001>003-TXZ001>020-201100-
ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH-
DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE-
OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER-
612 PM CDT TUE JUN 19 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE TEXAS AND OKLAHOMA
PANHANDLES.

.DAY ONE...

A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 2 AM CDT FOR ALL
OF THE OKLAHOMA AND TEXAS PANHANDLES. LARGE HAIL AND DAMAGING WINDS
ARE EXPECTED TO BE THE PRIMARY THREATS.

.DAYS TWO THROUGH SEVEN...

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER GROUPS AND EMERGENCY MANAGEMENT OFFICIALS ACROSS THE
EASTERN HALF OF THE TEXAS AND OKLAHOMA PANHANDLES SHOULD BE READY
FOR POSSIBLE ACTIVATION THIS AFTERNOON AND TONIGHT.

SCHNEIDER

In the hours before

Local storm report, Jun 19, 6:42 PM CDT, 18 minutes before

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Local storm report, Jun 19, 6:44 PM CDT, 16 minutes before

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Local storm report, Jun 19, 6:45 PM CDT, 15 minutes before

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Local storm report, Jun 19, 6:47 PM CDT, 13 minutes before

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Local storm report, Jun 19, 6:56 PM CDT, 4 minutes before

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Local storm report, Jun 19, 6:59 PM CDT, 1 minute 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 19, 8:05 PM CDT	Severe Thunderstorm Warning	AMA	Potter, Randall	70 min
Jun 19, 8:29 PM CDT	Flash Flood Warning	AMA	Potter, Randall	31 min
Jun 19, 8:36 PM CDT	Flash Flood Warning	AMA	Potter, Randall	2 hr
Jun 19, 8:36 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith	54 min
Jun 19, 9:10 PM CDT	Severe Thunderstorm Warning	AMA	Carson	40 min
Jun 19, 9:53 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	88 min
Jun 19, 10:11 PM CDT	Severe Thunderstorm Warning	AMA	Ochiltree	64 min
Jun 19, 10:28 PM CDT	Flash Flood Warning	AMA	Lipscomb, Ochiltree	3 hr
Jun 19, 10:35 PM CDT	Severe Thunderstorm Warning	AMA	Hemphill	55 min
Jun 19, 11:27 PM CDT	Severe Thunderstorm Warning	AMA	Gray, Wheeler	76 min
Jun 19, 11:35 PM CDT	High Wind Warning	AMA	Armstrong, Carson, Donley	85 min
Jun 19, 11:40 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	95 min
Jun 20, 1:16 AM CDT	High Wind Warning	AMA	Potter, Randall	73 min
Jun 19, 9:01 PM CDT	Severe Thunderstorm Warning	AMA	Texas	59 min
Jun 19, 9:34 PM CDT	Tornado Warning	AMA	Texas	26 min
Jun 19, 9:55 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	51 min
Jun 19, 10:00 PM CDT	Severe Thunderstorm Warning	AMA	Texas	90 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007 Every severe thunderstorm warning in 2007

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.