Alert archive / Texas / Winter Storm Warnings in 2007

Winter Storm Warning 6, NWS Amarillo, TX

December 14, 20078 counties in Texas; Beaver County, Oklahoma

NWS Amarillo, TX issued this winter storm warning at Dec 14, 2007, 12:05 PM CST for 8 counties in Texas; Beaver County, Oklahoma. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 14, 2007, 12:05 PM CST (18:05 UTC)
Expired: Dec 15, 2007, 5:46 AM CST
In force: 18 hr
Issued by: NWS Amarillo, TX

Counties Beaver County, OK, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 121 km from the middle of the area, began a volume at 18:05 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, 6.1 hours before the alert went out and 232 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1532 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 174 m²/s²
0-3 km storm-relative helicity: 272 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 winter storm 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 winter storm warning went out at Dec 14, 5:38 AM CST, 6 hours 27 minutes earlier.

Area forecast discussion, Dec 14, 5:38 AM CST, 6 hours 27 minutes before

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Hazardous weather outlook, Dec 13, 10:08 PM CST, 13 hours 57 minutes before

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In the hours before

Local storm report, Dec 14, 11:34 AM CST, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE AMARILLO TX
1134 AM CST FRI DEC 14 2007

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

1129 AM     FREEZING RAIN    BEAVER                  36.81N 100.52W
12/14/2007  E0.01 INCH       BEAVER             OK   LAW ENFORCEMENT

&&

EVENT NUMBER 00129

NUNEZ

The office that day

Everything else NWS Amarillo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 13, 10:34 PM CST	Dense Fog Advisory	AMA	Armstrong, Carson, Collingsworth, Deaf Smith, Donley, Gray and 6 more	6 hr
Dec 14, 4:16 AM CST	Heavy Snow Warning	AMA	Collingsworth, Donley, Gray, Hemphill, Lipscomb, Ochiltree and 2 more	8 hr
Dec 14, 4:16 AM CST	Snow Advisory	AMA	Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more	8 hr
Dec 14, 4:30 AM CST	Freezing Fog Advisory	AMA	Armstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more	8 hr
Dec 14, 12:05 PM CST	Winter Weather Advisory	AMA	Armstrong, Carson, Dallam, Deaf Smith, Hansford, Hartley and 6 more	18 hr

Nearby

Winter Storm Warnings in Texas, 2007 Winter Storm Warnings in Oklahoma, 2007 Every winter storm 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.