Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 214, NWS Lubbock, TX

August 16, 2020King County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Aug 16, 2020, 5:41 PM CDT for King County, Texas. It was in force for 64 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: Aug 16, 2020, 5:41 PM CDT (22:41 UTC)
Expired: Aug 16, 2020, 6:45 PM CDT
In force: 64 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 70.0 mph

County King County, TX

The radar

The Altus AFB radar (KFDR), 144 km from the middle of the area, began a volume at 22:41 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 223 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: 417 J/kg
Mixed-layer CIN: -253 J/kg
Mixed-layer LCL: 2353 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: -75 m²/s²
0-3 km storm-relative helicity: -23 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 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 Aug 16, 5:35 PM CDT, 6 minutes earlier.

Area forecast discussion, Aug 16, 5:35 PM CDT, 6 minutes before

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Hazardous weather outlook, Aug 16, 11:15 AM CDT, 6 hours 26 minutes before

Hazardous Weather Outlook
National Weather Service Lubbock TX
1115 AM CDT Sun Aug 16 2020

TXZ021>044-171615-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
1115 AM CDT Sun Aug 16 2020

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

.DAY ONE...This afternoon and tonight.

Isolated to scattered thunderstorms will develop across the South
Plains region this afternoon and continue into tonight. The most
intense storms will have potential to produce wind gusts near or in
excess of 60 mph, small hail and locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

Thunderstorms will be possible every evening across the southwestern
Texas Panhandle and South Plains from Wednesday through Saturday. A
few of these storms could become strong.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

In the hours before

Local storm report, Aug 16, 5:10 PM CDT, 31 minutes before

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Local storm report, Aug 16, 5:14 PM CDT, 27 minutes before

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Local storm report, Aug 16, 5:16 PM CDT, 25 minutes before

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Local storm report, Aug 16, 5:20 PM CDT, 21 minutes before

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Local storm report, Aug 16, 5:33 PM CDT, 8 minutes before

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Local storm report, Aug 16, 5:36 PM CDT, 5 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
Aug 15, 9:35 PM CDT	Special Weather Statement	LUB	Cochran	40 min
Aug 16, 3:57 PM CDT	Special Weather Statement	LUB	Hall	33 min
Aug 16, 4:21 PM CDT	Severe Thunderstorm Warning	LUB	Hall	39 min
Aug 16, 4:42 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	48 min
Aug 16, 4:50 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Hall	40 min
Aug 16, 4:58 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall, Motley	32 min
Aug 16, 5:07 PM CDT	Severe Thunderstorm Warning	LUB	Cottle	23 min
Aug 16, 5:08 PM CDT	Severe Thunderstorm Warning	LUB	Cottle, Motley	22 min
Aug 16, 5:26 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall, Motley	64 min
Aug 16, 6:39 PM CDT	Special Weather Statement	LUB	Dickens, Kent	36 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.