Alert archive / Texas / Freeze Warnings in 2008

Freeze Warning 7, NWS Amarillo, TX

November 14, 2008Collingsworth County, Wheeler County, Texas

NWS Amarillo, TX issued this freeze warning at Nov 14, 2008, 2:57 PM CST for Collingsworth County, Wheeler County, Texas. It took effect at Nov 14, 2008, 9:00 PM CST. 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
Nov 14, 2008, 2:57 PM CST (20:57 UTC)
In effect from
Nov 14, 2008, 9:00 PM CST
Expired
Nov 15, 2008, 8:58 AM CST
In force
12 hr
Issued by
NWS Amarillo, TX

Counties Collingsworth County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 131 km from the middle of the area, began a volume at 20:58 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 9.0 hours before the alert went out and 130 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-pSkew-T log-p diagram, Amarillo Airport, TX at 12:00Z on 2008-11-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2008-11-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1171 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
348 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 Nov 14, 2:53 PM CST, 4 minutes earlier.

Area forecast discussion, Nov 14, 2:53 PM CST, 4 minutes before
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Hazardous weather outlook, Nov 14, 1:00 PM CST, 1 hour 57 minutes before
TEXAS/OKLAHOMA PANHANDLES HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
100 PM CST FRI NOV 14 2008

OKZ001>003-TXZ001>020-151200-
ARMSTRONG-BEAVER-CARSON-CIMARRON-COLLINGSWORTH-DALLAM-DEAF SMITH-
DONLEY-GRAY-HANSFORD-HARTLEY-HEMPHILL-HUTCHINSON-LIPSCOMB-MOORE-
OCHILTREE-OLDHAM-POTTER-RANDALL-ROBERTS-SHERMAN-TEXAS-WHEELER-
100 PM CST FRI NOV 14 2008

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

.DAY ONE...

...A WIND ADVISORY IS IN EFFECT THROUGH 6 PM FOR ALL SECTIONS OF
THE PANHANDLES...

STRONG NORTH WINDS OF 35 TO 40 MPH WITH HIGHER GUSTS WILL PERSIST
THROUGH THIS AFTERNOON.

ALSO...FREEZING TEMPERATURES ARE EXPECTED OVERNIGHT ACROSS THE TEXAS
AND OKLAHOMA PANHANDLES...INCLUDING THE SOUTHEAST TEXAS PANHANDLE...
WHERE A HARD FREEZE HAS YET TO OCCUR THIS FALL. A FREEZE WATCH IS IN
EFFECT FOR LATE TONIGHT AND EARLY SATURDAY MORNING FOR COLLINGSWORTH
AND WHEELER COUNTIES.

.DAYS TWO THROUGH SEVEN...

WIDESPREAD FREEZING TEMPERATURES ARE EXPECTED SATURDAY MORNING AND
AGAIN SUNDAY MORNING ACROSS ALL OF THE TEXAS AND OKLAHOMA PANHANDLES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.

COCKRELL

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 14, 5:07 AM CSTFreeze WatchAMACollingsworth, Wheeler10 hr
Nov 14, 10:13 AM CSTWind AdvisoryAMAArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more8 hr

Nearby

Freeze Warnings in Texas, 2008Every freeze 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.