Alert archive / Texas / Freeze Warnings in 2011

Freeze Warning 6, NWS Amarillo, TX

October 26, 20119 counties in Texas; Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this freeze warning at Oct 26, 2011, 3:53 AM CDT for 9 counties in Texas; Cimarron County, Texas County, Oklahoma. It took effect at Oct 26, 2011, 10:00 PM CDT. It was in force for 12 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: Oct 26, 2011, 3:53 AM CDT (08:53 UTC)
In effect from: Oct 26, 2011, 10:00 PM CDT
Expired: Oct 27, 2011, 10:00 AM CDT
In force: 12 hr
Issued by: NWS Amarillo, TX

Counties Cimarron County, OK, Texas County, OK, Dallam County, TX, Deaf Smith County, TX, Hansford County, TX, Hartley County, TX, Moore County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 82 km from the middle of the area, began a volume at 08:59 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, 8.9 hours before the alert went out and 288 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: 2612 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: -36 m²/s²
0-3 km storm-relative helicity: 152 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 freeze 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 freeze warning went out at Oct 25, 11:53 PM CDT, 4 hours earlier.

Area forecast discussion, Oct 25, 11:53 PM CDT, 4 hours before

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Hazardous weather outlook, Oct 25, 10:46 PM CDT, 5 hours 7 minutes before

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In the hours before

Special weather statement, Oct 25, 10:44 PM CDT, 5 hours 9 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
Oct 26, 4:02 AM CDT	Winter Weather Advisory	AMA	Armstrong, Carson, Dallam, Deaf Smith, Hartley, Hutchinson and 5 more	33 hr

Nearby

Freeze Warnings in Texas, 2011 Freeze Warnings in Oklahoma, 2011 Every freeze warning in 2011

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.