Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Lubbock, TX

March 12, 2021Hale County, Texas

NWS Lubbock, TX issued this special weather statement at Mar 12, 2021, 4:43 PM CST for Hale County, Texas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Mar 12, 2021, 4:43 PM CST (22:43 UTC)
Expired
Mar 12, 2021, 5:15 PM CST
In force
32 min
Issued by
NWS Lubbock, TX

County Hale County, TX

The radar

The Lubbock radar (KLBB), 31 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 165 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 2021-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 66 joules per kilogram.LCLLFCEL10008507005003002001001 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 2021-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 345 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
66 J/kg
Mixed-layer CIN
-163 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
345 m²/s²
0-3 km storm-relative helicity
390 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Mar 12, 2:37 PM CST, 2 hours 6 minutes earlier.

Area forecast discussion, Mar 12, 2:37 PM CST, 2 hours 6 minutes before
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Hazardous weather outlook, Mar 12, 2:06 PM CST, 2 hours 37 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Lubbock TX
206 PM CST Fri Mar 12 2021

TXZ021>044-132015-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
206 PM CST Fri Mar 12 2021

This Hazardous Weather Outlook is for the South Plains, Rolling
Plains and the far Southern Texas Panhandle.

.DAY ONE...This afternoon and tonight.

Thunderstorm chances will increase late this afternoon and continue
tonight with the potential to bring all severe hazards. Hail up to 2
inches in diameter along with wind gusts to 65 mph will be possible.
In addition, there will be a tornado threat, mainly north and east of
a line from Dimmitt, to Plainview, to Paducah. Heavy rain across the
far southeastern Texas Panhandle could also create localized
flooding.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Additional thunderstorms are expected to develop along a dryline
Saturday, and these storms will also have the potential to become
severe. To the west of the dryline, generally west of the I-27
corridor during mid to late afternoon Saturday, elevated fire weather
conditions may develop due to the arrival of a dry air mass and
increasing west winds.

Elevated to critical fire weather conditions may develop areawide
Sunday along with very strong winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will likely be needed. Please relay any
information about severe weather to the NWS while following local,
state, and CDC guidelines.

In the hours before

Special weather statement, Mar 12, 4:43 PM CST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 12, 5:08 PM CSTTornado WarningLUBHale, Lubbock37 min
Mar 12, 5:44 PM CSTSevere Thunderstorm WarningLUBCrosby, Hale, Lubbock30 min
Mar 12, 5:50 PM CSTSevere Thunderstorm WarningLUBCrosby, Lubbock55 min

Nearby

Special Weather Statements in Texas, 2021Every special weather statement in 2021

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.