Alert archive / Texas / Winter Storm Warnings in 2009

Winter Storm Warning 3, NWS Lubbock, TX

December 23, 200923 counties in Texas

NWS Lubbock, TX issued this winter storm warning at Dec 23, 2009, 4:09 PM CST for 23 counties in Texas. It was in force for 24 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 23, 2009, 4:09 PM CST (22:09 UTC)
Expired
Dec 24, 2009, 4:00 PM CST
In force
24 hr
Issued by
NWS Lubbock, TX
All 23 counties

Bailey County, TX, Briscoe County, TX, Castro County, TX, Childress County, TX, Cochran County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Floyd County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hockley County, TX, Kent County, TX, King County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Motley County, TX, Stonewall County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 36 km from the middle of the area, began a volume at 22:07 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, 10.2 hours before the alert went out and 158 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 2009-12-23Temperature 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 2009-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
1033 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
171 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 Lubbock, TX wrote its last area forecast discussion before this winter storm warning went out at Dec 23, 4:05 PM CST, 4 minutes earlier.

Area forecast discussion, Dec 23, 4:05 PM CST, 4 minutes before
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Hazardous weather outlook, Dec 23, 4:02 PM CST, 7 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
402 PM CST WED DEC 23 2009

TXZ021>044-242215-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
402 PM CST WED DEC 23 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS
PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

WINTER WEATHER

WINTER STORM WARNINGS AND ADVISORIES ARE IN EFFECT. SNOWFALL...
NOW ONGOING OVER THE EXTREME SOUTHWESTERN PANHANDLE AND THE
NORTHWESTERN SOUTH PLAINS...WILL GRADUALLY OVERSPREAD THE REMAINDER
OF THE REGION THIS EVENING. A PERIOD OF HEAVY SNOW IS EXPECTED TO
DEVELOP OVER THE CENTRAL AND NORTHERN SOUTH PLAINS BY LATE
EVENING...AND PERSIST NORTHEASTWARD TOWARD THE EXTREME SOUTHEAST
PANHANDLE AND THE NORTHERN ROLLING PLAINS OVERNIGHT. WIDESPREAD
ONE INCH ACCUMULATIONS ARE EXPECTED...WITH A BROAD AREA OF 3 TO 6
INCH ACCUMULATIONS EXPECTED OVER THE CENTRAL AND NORTHERN SOUTH
PLAINS...AND THE SOUTHEASTERN PANHANDLE AND NORTHERN ROLLING
PLAINS BY THURSDAY MORNING. LOCALIZED HIGHER SNOW TOTALS ARE
POSSIBLE. PLEASE REFER TO THE CURRENT WARNINGS AND ADVISORIES
FOR COUNTY SPECIFIC FORECASTS AND IMPACTS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

TONIGHT/S WINTER STORM WILL LINGER INTO THURSDAY MORNING...
ESPECIALLY OVER THE EXTREME SOUTHEASTERN PANHANDLE AND THE
NORTHERN ROLLING PLAINS. NORTHERLY WINDS SUSTAINED AROUND 30 MPH
WILL RESULT IN AREAS OF BLOWING SNOW THERE BETWEEN SUNRISE AND
MIDDAY.

.SPOTTER INFORMATION STATEMENT...

LOCAL AUTHORITIES AND EMERGENCY PERSONNEL ARE ENCOURAGED TO
RELAY REPORTS OF SNOWFALL AND PUBLIC IMPACTS TO THE NATIONAL
WEATHER SERVICE IN LUBBOCK.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 23, 10:56 AM CSTWinter Weather AdvisoryLUBBailey, Briscoe, Castro, Childress, Cochran, Cottle and 18 more24 hr

Nearby

Winter Storm Warnings in Texas, 2009Every winter storm warning in 2009

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.