Alert archive / Texas / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 174, NWS Lubbock, TX

June 26, 2017Lynn County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 26, 2017, 2:12 AM CDT for Lynn County, Texas. It was in force for 33 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 26, 2017, 2:12 AM CDT (07:12 UTC)
Expired: Jun 26, 2017, 2:45 AM CDT
In force: 33 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Lynn County, TX

The radar

The Lubbock radar (KLBB), 53 km from the middle of the area, began a volume at 07:15 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, 7.2 hours before the alert went out and 229 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: 421 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 1347 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 182 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.9

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 26, 12:26 AM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jun 26, 12:26 AM CDT, 1 hour 46 minutes before

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Hazardous weather outlook, Jun 25, 2:58 PM CDT, 11 hours 14 minutes before

Hazardous Weather Outlook
National Weather Service Lubbock TX
258 PM CDT Sun Jun 25 2017

TXZ021>044-262000-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-
Floyd-Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-
Yoakum-Terry-Lynn-Garza-Kent-Stonewall-
258 PM CDT Sun Jun 25 2017

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

.DAY ONE...This Afternoon and Tonight

Scattered thunderstorms are expected to develop over eastern New
Mexico this evening and move into West Texas. A very unstable
atmosphere may allow storms to become severe with wind gusts to 65
mph and hail up to golf ball size. Additionally, this activity may
bring locally heavy rainfall.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

In the hours before

Local storm report, Jun 25, 11:26 PM CDT, 2 hours 46 minutes before

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Local storm report, Jun 25, 11:31 PM CDT, 2 hours 41 minutes before

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Local storm report, Jun 26, 1:47 AM CDT, 25 minutes before

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Local storm report, Jun 26, 1:48 AM CDT, 24 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 25, 10:14 PM CDT	Severe Thunderstorm Warning	LUB	Castro, Parmer	31 min
Jun 25, 10:38 PM CDT	Severe Thunderstorm Warning	LUB	Castro, Lamb, Parmer	37 min
Jun 25, 10:42 PM CDT	Severe Thunderstorm Warning	LUB	Castro, Parmer	33 min
Jun 25, 10:54 PM CDT	Areal Flood Advisory	LUB	Castro, Parmer	66 min
Jun 25, 11:11 PM CDT	Tornado Warning	LUB	Bailey, Lamb	34 min
Jun 25, 11:27 PM CDT	Severe Thunderstorm Warning	LUB	Bailey, Lamb	33 min
Jun 25, 11:34 PM CDT	Areal Flood Advisory	LUB	Bailey, Lamb	86 min
Jun 26, 12:01 AM CDT	Areal Flood Advisory	LUB	Briscoe, Castro, Swisher	119 min
Jun 26, 12:46 AM CDT	Areal Flood Advisory	LUB	Cochran, Hockley, Terry, Yoakum	89 min
Jun 26, 1:28 AM CDT	Areal Flood Advisory	LUB	Terry, Yoakum	92 min
Jun 26, 1:38 AM CDT	Areal Flood Advisory	LUB	Lubbock	52 min
Jun 26, 1:41 AM CDT	Areal Flood Advisory	LUB	Hockley	64 min
Jun 26, 1:48 AM CDT	Severe Thunderstorm Warning	LUB	Lubbock, Lynn, Terry	27 min
Jun 26, 1:59 AM CDT	Areal Flood Advisory	LUB	Lubbock, Lynn	61 min
Jun 26, 2:35 AM CDT	Areal Flood Advisory	LUB	Lynn	85 min

Nearby

Severe Thunderstorm Warnings in Texas, 2017 Every severe thunderstorm warning in 2017

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.