Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 130, NWS Amarillo, TX

June 17, 20084 counties in Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this severe thunderstorm warning at Jun 17, 2008, 4:51 PM CDT for 4 counties in Texas; Cimarron County, Oklahoma. It was in force for 84 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, 2008, 4:51 PM CDT (21:51 UTC)
Expired: Jun 17, 2008, 6:15 PM CDT
In force: 84 min
Issued by: NWS Amarillo, TX
Area: Storm-based polygon

Counties Cimarron County, OK, Dallam County, TX, Hartley County, TX, Moore County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 120 km from the middle of the area, began a volume at 21:52 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 17, 1:59 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.9 hours before the alert went out and 120 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: 252 J/kg
Mixed-layer CIN: -496 J/kg
Mixed-layer LCL: 752 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 138 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.1

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 17, 3:33 PM CDT, 1 hour 18 minutes earlier.

Area forecast discussion, Jun 17, 3:33 PM CDT, 1 hour 18 minutes before

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Hazardous weather outlook, Jun 17, 4:35 PM CDT, 16 minutes before

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In the hours before

Local storm report, Jun 17, 3:25 PM CDT, 1 hour 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
325 PM CDT TUE JUN 17 2008

..TIME..    ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE..    ....MAG....     ..COUNTY LOCATION.. ST.. ...SOURCE....
            ..REMARKS..

0324 PM     HAIL             KENTON                  36.90N 102.97W
06/17/2008  E1.75 INCH       CIMARRON           OK   PUBLIC

&&

EVENT NUMBER 00604

DRILLETTE

Special weather statement, Jun 17, 4:32 PM CDT, 19 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, 5:08 PM CDT	Severe Thunderstorm Warning	AMA	Deaf Smith, Hartley, Moore, Oldham, Potter, Randall	97 min
Jun 17, 6:08 PM CDT	Areal Flood Advisory	AMA	Dallam, Hartley	2 hr
Jun 17, 6:43 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Carson, Deaf Smith, Hartley, Hutchinson, Moore and 3 more	92 min
Jun 17, 3:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	60 min
Jun 17, 4:15 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008 Severe Thunderstorm Warnings in Oklahoma, 2008 Every severe thunderstorm warning in 2008

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.