Alert archive / Texas / Special Weather Statements in 2021

Special Weather Statement, NWS Lubbock, TX

July 16, 2021Lubbock County, Texas

NWS Lubbock, TX issued this special weather statement at Jul 16, 2021, 12:30 AM CDT for Lubbock County, Texas. It was in force for 30 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
Jul 16, 2021, 12:30 AM CDT (05:30 UTC)
Expired
Jul 16, 2021, 1:00 AM CDT
In force
30 min
Issued by
NWS Lubbock, TX

County Lubbock County, TX

The radar

The Lubbock radar (KLBB), 15 km from the middle of the area, began a volume at 05:33 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.5 hours before the alert went out and 191 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 00:00Z on 2021-07-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 128 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 00:00Z on 2021-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
128 J/kg
Mixed-layer CIN
-152 J/kg
Mixed-layer LCL
1769 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
91 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

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 Jul 16, 12:19 AM CDT, 11 minutes earlier.

Area forecast discussion, Jul 16, 12:19 AM CDT, 11 minutes before
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Hazardous weather outlook, Jul 15, 8:12 AM CDT, 16 hours 18 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Lubbock TX
812 AM CDT Thu Jul 15 2021

TXZ021>044-161315-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
812 AM CDT Thu Jul 15 2021

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

.DAY ONE...Today and tonight.

A few strong wind gusts from 50 to 60 mph are possible from isolated
to scattered thunderstorms expected across the area later today.
Slow-moving thunderstorms may also produce locally heavy rainfall
which may lead to minor flooding.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Isolated to widely scattered thunderstorm chances will continue into
this weekend. By Monday, a cold front is forecast to move through
the region. A heavy rain event may be possible for parts of the
Caprock and Rolling Plains on Monday into Monday night.

Additional chances for thunderstorms will be possible into the
middle and end of next week as well.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Special weather statement, Jul 15, 10:20 PM CDT, 2 hours 10 minutes before
Special Weather Statement
National Weather Service Lubbock TX
1020 PM CDT Thu Jul 15 2021

TXZ023-024-029-030-160345-
Floyd TX-Briscoe TX-Swisher TX-Hale TX-
1020 PM CDT Thu Jul 15 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LUBBOCK...FLOYD...
NORTHWESTERN CROSBY...EASTERN HALE...SOUTHEASTERN SWISHER AND
SOUTHWESTERN BRISCOE COUNTIES UNTIL 1045 PM CDT...

At 1019 PM CDT, Doppler radar was tracking a strong thunderstorm 4
miles southwest of Lockney, or 10 miles northwest of Floydada, moving
east at 25 mph.

Nickel size hail and wind gusts of 50 to 55 mph will be possible with
this storm.

Locations impacted include...
Plainview, Floydada, Lockney, Petersburg, South Plains, Claytonville,
Aiken and Seth Ward.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3432 10120 3397 10118 3383 10138 3383 10168
      3400 10172 3440 10173 3442 10142
TIME...MOT...LOC 0319Z 254DEG 22KT 3407 10150

WCI/GKendrick
Special weather statement, Jul 15, 10:57 PM CDT, 1 hour 33 minutes before
Special Weather Statement
National Weather Service Lubbock TX
1057 PM CDT Thu Jul 15 2021

TXZ035-036-160430-
Crosby TX-Lubbock TX-
1057 PM CDT Thu Jul 15 2021

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN LUBBOCK AND
NORTHWESTERN CROSBY COUNTIES UNTIL 1130 PM CDT...

At 1057 PM CDT, Doppler radar was tracking a strong thunderstorm over
Idalou, or 13 miles southeast of Abernathy, moving east at 30 mph.

Wind gusts of 50 to 55 mph will be possible with this storm.

Locations impacted include...
Lubbock, Idalou and Lorenzo.

LAT...LON 3359 10178 3376 10177 3383 10146 3360 10145
TIME...MOT...LOC 0357Z 259DEG 28KT 3368 10170

SINCAVAGE
Local storm report, Jul 15, 10:59 PM CDT, 1 hour 31 minutes before
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Local storm report, Jul 15, 11:23 PM CDT, 1 hour 7 minutes before
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Special weather statement, Jul 16, 12:03 AM CDT, 27 minutes before
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Special weather statement, Jul 16, 12:30 AM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 15, 7:19 PM CDTFlash Flood WarningLUBBriscoe, Hall, Motley116 min
Jul 15, 7:52 PM CDTAreal Flood AdvisoryLUBBriscoe, Swisher2 hr
Jul 15, 7:52 PM CDTSevere Thunderstorm WarningLUBBriscoe53 min
Jul 15, 7:54 PM CDTSpecial Weather StatementLUBLamb21 min
Jul 15, 8:00 PM CDTAreal Flood AdvisoryLUBHockley, Terry2 hr
Jul 15, 8:05 PM CDTSpecial Weather StatementLUBTerry25 min
Jul 15, 8:10 PM CDTSevere Thunderstorm WarningLUBBriscoe, Swisher65 min
Jul 15, 8:26 PM CDTSevere Thunderstorm WarningLUBCrosby, Garza, Lubbock, Lynn45 min
Jul 15, 8:33 PM CDTAreal Flood AdvisoryLUBBriscoe, Floyd, Hale, Swisher64 min
Jul 15, 8:51 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hale54 min
Jul 15, 9:31 PM CDTAreal Flood AdvisoryLUBCastro, Hale, Lamb, Swisher119 min
Jul 15, 9:37 PM CDTFlash Flood WarningLUBBriscoe, Floyd, Hale, Swisher3 hr
Jul 15, 9:52 PM CDTSpecial Weather StatementLUBFloyd, Hale, Swisher23 min
Jul 15, 9:55 PM CDTFlash Flood WarningLUBFloyd, Hale2 hr
Jul 15, 10:15 PM CDTSevere Thunderstorm WarningLUBFloyd, Hale, Motley60 min
Jul 15, 10:20 PM CDTSpecial Weather StatementLUBFloyd25 min
Jul 15, 10:36 PM CDTAreal Flood AdvisoryLUBFloyd2 hr
Jul 15, 10:57 PM CDTSpecial Weather StatementLUBLubbock33 min
Jul 15, 10:57 PM CDTSevere Thunderstorm WarningLUBBriscoe, Floyd, Hall, Motley33 min
Jul 15, 11:54 PM CDTAreal Flood AdvisoryLUBChildress, Hall88 min
Jul 16, 12:03 AM CDTSpecial Weather StatementLUBLubbock27 min
Jul 16, 12:21 AM CDTAreal Flood AdvisoryLUBLubbock3 hr
Jul 16, 1:38 AM CDTSpecial Weather StatementLUBLubbock37 min
Jul 16, 2:11 AM CDTSpecial Weather StatementLUBLubbock34 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.