Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 121, NWS Lubbock, TX

June 7, 2018King County, Stonewall County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 7, 2018, 6:46 PM CDT for King County, Stonewall County, Texas. It was in force for 59 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 7, 2018, 6:46 PM CDT (23:46 UTC)
Expired: Jun 7, 2018, 7:45 PM CDT
In force: 59 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Hail: 1.25 in
Wind: 70.0 mph

Counties King County, TX, Stonewall County, TX

The radar

The Dyess AFB radar (KDYX), 134 km from the middle of the area, began a volume at 23:49 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 7, 3:28 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 11.8 hours before the alert went out and 243 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: 186 J/kg
Mixed-layer CIN: -347 J/kg
Mixed-layer LCL: 3186 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -39 m²/s²
0-3 km storm-relative helicity: 8 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 Jun 7, 6:39 PM CDT, 7 minutes earlier.

Area forecast discussion, Jun 7, 6:39 PM CDT, 7 minutes before

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Hazardous weather outlook, Jun 7, 11:12 AM CDT, 7 hours 34 minutes before

Hazardous Weather Outlook
National Weather Service Lubbock TX
1112 AM CDT Thu Jun 7 2018

TXZ021>044-080415-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-
Floyd-Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-
Yoakum-Terry-Lynn-Garza-Kent-Stonewall-
1112 AM CDT Thu Jun 7 2018

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

.DAY ONE...Today and Tonight

Isolated to scattered thunderstorms are likely to develop this
afternoon from the southwest South Plains into the southeast
Texas Panhandle, before spreading into the Rolling Plains this
evening. Wind gusts to 70 mph and large hail to golf ball size
will be possible. Heavy rain and some flooding are also a threat
as some storms will be very slow moving.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

The probability of hazardous weather is low at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be requested.

In the hours before

Local storm report, Jun 7, 4:33 PM CDT, 2 hours 13 minutes before

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Local storm report, Jun 7, 4:45 PM CDT, 2 hours 1 minute before

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Special weather statement, Jun 7, 5:32 PM CDT, 1 hour 14 minutes before

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Special weather statement, Jun 7, 5:34 PM CDT, 1 hour 12 minutes before

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Special weather statement, Jun 7, 6:01 PM CDT, 45 minutes before

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Special weather statement, Jun 7, 6:31 PM CDT, 15 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 7, 2:51 PM CDT	Special Weather Statement	LUB	Hall	24 min
Jun 7, 2:52 PM CDT	Special Weather Statement	LUB	Briscoe	23 min
Jun 7, 2:57 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall, Motley	63 min
Jun 7, 3:16 PM CDT	Special Weather Statement	LUB	Briscoe	29 min
Jun 7, 3:35 PM CDT	Special Weather Statement	LUB	Bailey, Cochran	25 min
Jun 7, 3:40 PM CDT	Severe Thunderstorm Warning	LUB	Cottle, Motley	65 min
Jun 7, 3:43 PM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Hall	62 min
Jun 7, 3:47 PM CDT	Areal Flood Advisory	LUB	Briscoe, Childress, Cottle, Hall, Motley	118 min
Jun 7, 3:57 PM CDT	Flash Flood Warning	LUB	Childress	2 hr
Jun 7, 3:59 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall, Motley	61 min
Jun 7, 4:16 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Hall	46 min
Jun 7, 4:29 PM CDT	Tornado Warning	LUB	Childress, Hall	31 min
Jun 7, 4:32 PM CDT	Severe Thunderstorm Warning	LUB	Cottle, Motley	58 min
Jun 7, 4:38 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle	37 min
Jun 7, 5:11 PM CDT	Areal Flood Advisory	LUB	Cottle, Dickens, King, Motley	2 hr
Jun 7, 5:32 PM CDT	Special Weather Statement	LUB	Crosby, Hale, Lubbock, Swisher	43 min
Jun 7, 5:34 PM CDT	Special Weather Statement	LUB	Cottle, Dickens, King	26 min
Jun 7, 6:01 PM CDT	Special Weather Statement	LUB	King	29 min
Jun 7, 6:24 PM CDT	Severe Thunderstorm Warning	LUB	Dickens	51 min
Jun 7, 6:31 PM CDT	Special Weather Statement	LUB	King	29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2018 Every severe thunderstorm warning in 2018

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.