Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 107, NWS Lubbock, TX

May 23, 2020Lubbock County, Lynn County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 23, 2020, 7:45 PM CDT for Lubbock County, Lynn County, Texas. It was in force for 60 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: May 23, 2020, 7:45 PM CDT (00:45 UTC)
Expired: May 23, 2020, 8:45 PM CDT
In force: 60 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Lubbock County, TX, Lynn County, TX

The radar

The Lubbock radar (KLBB), 29 km from the middle of the area, began a volume at 00:47 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
May 23, 3:06 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.8 hours before the alert went out and 204 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: 126 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 3007 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 200 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

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 May 23, 6:35 PM CDT, 1 hour 10 minutes earlier.

Area forecast discussion, May 23, 6:35 PM CDT, 1 hour 10 minutes before

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Hazardous weather outlook, May 23, 10:45 AM CDT, 9 hours before

Hazardous Weather Outlook
National Weather Service Lubbock TX
1045 AM CDT Sat May 23 2020

TXZ021>044-241545-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
1045 AM CDT Sat May 23 2020

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

.DAY ONE...Today and tonight.

Scattered severe thunderstorms are possible later this afternoon and
evening from generally east of a line from Brownfield to Happy.
Thunderstorms will have potential for very large hail near 3 inches
diameter, wind gusts to 80 mph, isolated tornadoes, and localized
flash flooding. Elevated fire danger may develop over the western
South Plains and extreme southwest Texas Panhandle this afternoon.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

Severe thunderstorms and local flooding will be possible over the
entire area Sunday afternoon into Sunday night. A few strong
thunderstorms along with locally intense rain and flooding may also
develop late Monday.

.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

Local storm report, May 23, 6:51 PM CDT, 54 minutes before

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Local storm report, May 23, 6:57 PM CDT, 48 minutes before

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Special weather statement, May 23, 7:04 PM CDT, 41 minutes before

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Special weather statement, May 23, 7:11 PM CDT, 34 minutes before

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Special weather statement, May 23, 7:23 PM CDT, 22 minutes before

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Local storm report, May 23, 7:36 PM 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
May 23, 7:04 PM CDT	Special Weather Statement	LUB	Swisher	11 min
May 23, 7:11 PM CDT	Special Weather Statement	LUB	Bailey, Cochran, Hockley, Lamb, Yoakum	34 min
May 23, 7:13 PM CDT	Areal Flood Advisory	LUB	Garza, Lynn	93 min
May 23, 7:23 PM CDT	Special Weather Statement	LUB	Floyd	22 min
May 23, 7:34 PM CDT	Severe Thunderstorm Warning	LUB	Dickens	15 min
May 23, 7:49 PM CDT	Special Weather Statement	LUB	Bailey, Cochran, Hockley, Lamb	26 min
May 23, 7:54 PM CDT	High Wind Warning	LUB	Lubbock	66 min
May 23, 8:09 PM CDT	Special Weather Statement	LUB	Garza, Kent, King, Stonewall	21 min
May 23, 8:19 PM CDT	Special Weather Statement	LUB	Hockley	26 min
May 23, 8:30 PM CDT	Severe Thunderstorm Warning	LUB	Dickens, Garza, Kent, King, Stonewall	90 min
May 23, 8:36 PM CDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock, Lynn, Terry	15 min
May 23, 9:24 PM CDT	River Flood Advisory	LUB	Garza	11 hr
May 24, 5:24 PM CDT	Severe Thunderstorm Warning	LUB	Hockley, Lubbock	66 min
May 24, 5:34 PM CDT	Severe Thunderstorm Warning	LUB	Garza, Lynn	56 min
May 24, 5:45 PM CDT	Areal Flood Advisory	LUB	Lubbock	90 min
May 24, 6:07 PM CDT	Severe Thunderstorm Warning	LUB	Lubbock, Lynn	23 min
May 24, 6:24 PM CDT	Severe Thunderstorm Warning	LUB	Garza, Kent	51 min
May 24, 6:29 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Lubbock, Lynn	61 min
May 24, 6:59 PM CDT	Severe Thunderstorm Warning	LUB	Lynn	31 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.