Alert archive / Texas / Freeze Warnings in 2014

Freeze Warning 4, NWS Amarillo, TX

May 12, 20148 counties in Texas; Cimarron County, Oklahoma

NWS Amarillo, TX issued this freeze warning at May 12, 2014, 2:57 PM CDT for 8 counties in Texas; Cimarron County, Oklahoma. It took effect at May 13, 2014, 12:00 AM CDT. It was in force for 8 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: May 12, 2014, 2:57 PM CDT (19:57 UTC)
In effect from: May 13, 2014, 12:00 AM CDT
Expired: May 13, 2014, 7:50 AM CDT
In force: 8 hr
Issued by: NWS Amarillo, TX

Counties Cimarron County, OK, Dallam County, TX, Deaf Smith 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), 77 km from the middle of the area, began a volume at 19:55 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, 8.0 hours before the alert went out and 309 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 479 m above ground
0-6 km bulk shear: 85 kt
0-1 km storm-relative helicity: 315 m²/s²
0-3 km storm-relative helicity: 415 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 May 12, 2:46 PM CDT, 11 minutes earlier.

Area forecast discussion, May 12, 2:46 PM CDT, 11 minutes before

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Hazardous weather outlook, May 12, 4:00 AM CDT, 10 hours 57 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
May 11, 8:23 PM CDT	Special Weather Statement	AMA	Lipscomb	37 min
May 11, 8:27 PM CDT	Severe Thunderstorm Warning	AMA	Lipscomb	63 min
May 11, 10:42 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	63 min
May 11, 11:07 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Gray, Hemphill, Roberts, Wheeler	38 min
May 11, 11:40 PM CDT	Severe Thunderstorm Warning	AMA	Armstrong, Collingsworth, Donley, Gray, Hemphill, Lipscomb and 2 more	95 min
May 12, 12:37 AM CDT	Areal Flood Advisory	AMA	Donley	3 hr
May 12, 1:18 AM CDT	Special Weather Statement	AMA	Collingsworth, Donley, Wheeler	42 min
May 12, 1:27 AM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	63 min
May 12, 3:56 AM CDT	Freeze Watch	AMA	Dallam, Hartley	11 hr

Nearby

Freeze Warnings in Texas, 2014 Freeze Warnings in Oklahoma, 2014 Every freeze warning in 2014

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.