Alert archive / Texas / Wind Chill Advisories in 2014

Wind Chill Advisory 4, NWS Amarillo, TX

March 1, 201420 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma

NWS Amarillo, TX issued this wind chill advisory at Mar 1, 2014, 3:30 PM CST for 20 counties in Texas; Beaver County, Cimarron County, Texas County, Oklahoma. It took effect at Mar 2, 2014, 12:00 AM CST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2014, 3:30 PM CST (21:30 UTC)
In effect from
Mar 2, 2014, 12:00 AM CST
Expired
Mar 3, 2014, 9:00 AM CST
In force
33 hr
Issued by
NWS Amarillo, TX
All 23 counties

Beaver County, OK, Cimarron County, OK, Texas County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Dallam County, TX, Deaf Smith County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Oldham County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Amarillo radar (KAMA), 66 km from the middle of the area, began a volume at 21:33 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

Norman, OK (KOUN), launched 12:00Z, 9.5 hours before the alert went out and 367 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, Norman, OK at 12:00Z on 2014-03-01Temperature 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, Norman, OK at 12:00Z on 2014-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 105 square meters per square second.1939587897117Sfc1 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
526 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
105 m²/s²
0-3 km storm-relative helicity
288 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 wind chill advisory 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 wind chill advisory went out at Mar 1, 11:48 AM CST, 3 hours 42 minutes earlier.

Area forecast discussion, Mar 1, 11:48 AM CST, 3 hours 42 minutes before
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Hazardous weather outlook, Mar 1, 3:29 PM CST, 1 minute before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE AMARILLO TX
329 PM CST SAT MAR 1 2014

OKZ001>003-TXZ001>020-020930-
CIMARRON-TEXAS-BEAVER-DALLAM-SHERMAN-HANSFORD-OCHILTREE-LIPSCOMB-
HARTLEY-MOORE-HUTCHINSON-ROBERTS-HEMPHILL-OLDHAM-POTTER-CARSON-
GRAY-WHEELER-DEAF SMITH-RANDALL-ARMSTRONG-DONLEY-COLLINGSWORTH-
329 PM CST SAT MAR 1 2014

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

.DAY ONE...THIS AFTERNOON AND TONIGHT.

ELEVATED FIRE WEATHER CONDITIONS ACROSS THE SOUTHWESTERN TEXAS
PANHANDLE ARE EXPECTED TO END BY 6 PM.

A WINTRY MIX OF LIGHT FREEZING RAIN AND LIGHT SNOW IS EXPECTED TO
DEVELOP TONIGHT ACROSS THE OKLAHOMA AND TEXAS PANHANDLES. ANY ICE
ACCUMULATIONS SHOULD REMAIN LESS THAN ONE TENTH OF AN INCH. ANY
SNOWFALL ACCUMULATIONS TONIGHT SHOULD REMAIN GENERALLY LESS THAN ONE
INCH. A WINTER WEATHER ADVISORY IS IN EFFECT FOR ALL OF THE OKLAHOMA
AND TEXAS PANHANDLES BEGINNING AT 6 PM THIS EVENING.

WIND CHILL VALUES ARE FORECAST TO FALL TO BETWEEN 5 DEGREES BELOW
ZERO AND 10 DEGREES BELOW ZERO LATE TONIGHT ACROSS THE EASTERN OKLAHOMA
PANHANDLE AND NORTHEASTERN TEXAS PANHANDLE. A WIND CHILL ADVISORY IS IN
EFFECT BEGINNING MIDNIGHT TONIGHT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY.

THE WINTRY MIX OF LIGHT FREEZING RAIN AND LIGHT SNOW WILL
CHANGE TO ALL SNOW SUNDAY MORNING ACROSS THE OKLAHOMA AND TEXAS
PANHANDLES. TOTAL SNOWFALL ACCUMULATIONS OF 1 TO 3 INCHES ARE
EXPECTED...WITH THE HIGHEST TOTALS FORECAST TO BE ACROSS THE CENTRAL
AND EASTERN OKLAHOMA AND TEXAS PANHANDLES. ANY ADDITIONAL ICE
ACCUMULATIONS SHOULD REMAIN LESS THAN FIVE HUNDREDTHS OF AN INCH. A
WINTER WEATHER ADVISORY IS IN EFFECT UNTIL 6 PM SUNDAY.

WIND CHILL VALUES ARE FORECAST TO BE BETWEEN 5 DEGREES BELOW ZERO AND
10 DEGREES BELOW ZERO SUNDAY MORNING ACROSS EASTERN OKLAHOMA
PANHANDLE AND NORTHEASTERN TEXAS PANHANDLE. A WIND CHILL ADVISORY
WILL BE IN EFFECT UNTIL 6 PM SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME.
HOWEVER...SPOTTERS ARE ENCOURAGED TO RELAY SNOWFALL AND ICE
ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE IN AMARILLO.

AREA FIRE MANAGERS AND EMERGENCY OFFICIALS ACROSS THE SOUTHWEST TEXAS
PANHANDLE SHOULD BE ALERT FOR ELEVATED FIRE WEATHER CONDITIONS
THROUGH THIS AFTERNOON.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 5:58 AM CSTWinter Weather AdvisoryAMAArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more36 hr
Mar 1, 7:54 AM CSTDense Fog AdvisoryAMAArmstrong, Carson, Dallam, Donley, Gray, Hartley and 3 more4 hr

Nearby

Wind Chill Advisories in Texas, 2014Wind Chill Advisories in Oklahoma, 2014Every wind chill advisory 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.