Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 174, NWS Lubbock, TX

June 23, 2020Lubbock County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 23, 2020, 12:29 AM CDT for Lubbock County, Texas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 23, 2020, 12:29 AM CDT (05:29 UTC)
Expired: Jun 23, 2020, 1:00 AM CDT
In force: 31 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

County Lubbock County, TX

The radar

The Lubbock radar (KLBB), 5 km from the middle of the area, began a volume at 05:32 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 22, 9:06 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 5.5 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: 1588 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 1913 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 277 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 11.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Jun 23, 12:18 AM CDT, 11 minutes earlier.

Area forecast discussion, Jun 23, 12:18 AM CDT, 11 minutes before

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Hazardous weather outlook, Jun 22, 4:25 PM CDT, 8 hours 4 minutes before

Hazardous Weather Outlook...UPDATED
National Weather Service Lubbock TX
425 PM CDT Mon Jun 22 2020

TXZ021>044-232130-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
425 PM CDT Mon Jun 22 2020

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

.DAY ONE...Tonight.

Strong to severe thunderstorms will move out of northeast New Mexico
later this afternoon and spread south and east across the region
tonight. Hail to one inch in diameter will be possible with a greater
threat of damaging 70 to 80 mph winds especially after dark. A severe
thunderstorm watch is in effect until 11 pm for areas north and west
of a Bledsoe, Slaton, to Silverton line.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Mainly evening to overnight strong to severe storms will be possible
Tuesday.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Local storm report, Jun 22, 11:55 PM CDT, 34 minutes before

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Local storm report, Jun 22, 11:56 PM CDT, 33 minutes before

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Local storm report, Jun 23, 12:08 AM CDT, 21 minutes before

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Local storm report, Jun 23, 12:15 AM CDT, 14 minutes before

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Local storm report, Jun 23, 12:19 AM CDT, 10 minutes before

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Local storm report, Jun 23, 12:20 AM CDT, 9 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 9:07 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Castro, Swisher	53 min
Jun 22, 9:44 PM CDT	Severe Thunderstorm Warning	LUB	Bailey	46 min
Jun 22, 9:57 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Childress, Hall	63 min
Jun 22, 9:59 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Castro, Floyd, Hale, Lamb, Parmer and 1 more	61 min
Jun 22, 10:24 PM CDT	Severe Thunderstorm Warning	LUB	Bailey, Cochran, Hockley, Lamb	66 min
Jun 22, 10:57 PM CDT	Severe Thunderstorm Warning	LUB	Bailey, Castro, Hale, Hockley, Lamb, Swisher	48 min
Jun 22, 11:03 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall, Motley	42 min
Jun 22, 11:27 PM CDT	Severe Thunderstorm Warning	LUB	Cochran, Hale, Hockley, Lamb, Lubbock	63 min
Jun 22, 11:57 PM CDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock, Lynn, Terry, Yoakum	63 min
Jun 23, 12:06 AM CDT	Severe Thunderstorm Warning	LUB	Crosby, Dickens, Garza, Kent, King, Stonewall	54 min
Jun 23, 12:58 AM CDT	Severe Thunderstorm Warning	LUB	Garza, Kent, Lynn	47 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020 Every severe thunderstorm warning in 2020

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.