Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 261, NWS Lubbock, TX

September 17, 2021Cottle County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Sep 17, 2021, 7:39 PM CDT for Cottle County, Texas. It was in force for 51 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: Sep 17, 2021, 7:39 PM CDT (00:39 UTC)
Expired: Sep 17, 2021, 8:30 PM CDT
In force: 51 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Cottle County, TX

The radar

The Altus AFB radar (KFDR), 131 km from the middle of the area, began a volume at 00:42 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, 0.7 hours before the alert went out and 180 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 78 J/kg
Mixed-layer CIN: -409 J/kg
Mixed-layer LCL: 1740 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 209 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

535 
WUUS54 KLUB 180039
SVRLUB
TXC101-180130-
/O.NEW.KLUB.SV.W.0261.210918T0039Z-210918T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lubbock TX
739 PM CDT Fri Sep 17 2021

The National Weather Service in Lubbock Texas has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cottle County in northwestern Texas...

* Until 830 PM CDT.

* At 739 PM CDT, a severe thunderstorm was located 7 miles north of
  Paducah, moving south at 10 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Paducah, Delwin and Chalk. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3418 10044 3419 10022 3386 10016 3386 10048
TIME...MOT...LOC 0039Z 358DEG 12KT 3412 10034 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RMCQUEEN

1 follow-up statement

333 
WWUS54 KLUB 180107
SVSLUB

Severe Weather Statement
National Weather Service Lubbock TX
807 PM CDT Fri Sep 17 2021

TXC101-180130-
/O.CON.KLUB.SV.W.0261.000000T0000Z-210918T0130Z/
Cottle TX-
807 PM CDT Fri Sep 17 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHWESTERN COTTLE COUNTY...

At 807 PM CDT, a severe thunderstorm was located over Paducah, moving
south at 10 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Paducah, Delwin and Chalk. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3411 10043 3411 10021 3386 10016 3386 10048
TIME...MOT...LOC 0107Z 000DEG 10KT 3404 10034 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RMCQUEEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 7:07 PM CDT	Special Weather Statement	LUB	Cottle	23 min
Sep 17, 8:05 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Hall	55 min
Sep 17, 8:38 PM CDT	Special Weather Statement	LUB	King	67 min

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every severe thunderstorm warning 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.