Alert archive / Texas / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 65, NWS Lubbock, TX

May 8, 20154 counties in Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 8, 2015, 2:00 PM CDT for 4 counties in Texas. It was in force for 45 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 8, 2015, 2:00 PM CDT (19:00 UTC)
Expired: May 8, 2015, 2:45 PM CDT
In force: 45 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 2.0 in
Wind: 60.0 mph

Counties Crosby County, TX, Floyd County, TX, Hale County, TX, Lubbock County, TX

The radar

The Lubbock radar (KLBB), 31 km from the middle of the area, began a volume at 19:02 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 8, 9:31 AM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 7.0 hours before the alert went out and 155 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: 107 J/kg
Mixed-layer CIN: -347 J/kg
Mixed-layer LCL: 1168 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: -20 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 8, 1:24 PM CDT, 36 minutes earlier.

Area forecast discussion, May 8, 1:24 PM CDT, 36 minutes before

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Hazardous weather outlook, May 8, 11:06 AM CDT, 2 hours 54 minutes before

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In the hours before

Local storm report, May 8, 10:44 AM CDT, 3 hours 16 minutes before

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Local storm report, May 8, 10:50 AM CDT, 3 hours 10 minutes before

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Local storm report, May 8, 11:18 AM CDT, 2 hours 42 minutes before

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Local storm report, May 8, 11:29 AM CDT, 2 hours 31 minutes before

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Local storm report, May 8, 11:52 AM CDT, 2 hours 8 minutes before

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Local storm report, May 8, 12:27 PM CDT, 1 hour 33 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 8, 9:03 AM CDT	Severe Thunderstorm Warning	LUB	Hockley	27 min
May 8, 9:40 AM CDT	Severe Thunderstorm Warning	LUB	Hale, Hockley, Lamb	35 min
May 8, 10:11 AM CDT	Severe Thunderstorm Warning	LUB	Hale, Lamb	34 min
May 8, 10:19 AM CDT	Areal Flood Advisory	LUB	Bailey, Castro, Hale, Lamb, Parmer, Swisher	3 hr
May 8, 10:31 AM CDT	Severe Thunderstorm Warning	LUB	Crosby, Floyd	29 min
May 8, 10:44 AM CDT	Severe Thunderstorm Warning	LUB	Floyd, Hale, Swisher	46 min
May 8, 11:07 AM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Floyd, Hall, Motley	38 min
May 8, 11:27 AM CDT	Areal Flood Advisory	LUB	Briscoe, Floyd, Hale, Hall, Motley, Swisher	3 hr
May 8, 11:43 AM CDT	Severe Thunderstorm Warning	LUB	Briscoe, Floyd, Hall, Motley	47 min
May 8, 11:54 AM CDT	Severe Thunderstorm Warning	LUB	Childress, Cottle, Hall, Motley	51 min
May 8, 12:46 PM CDT	Areal Flood Advisory	LUB	Childress, Cottle, Hall, Motley	3 hr
May 8, 1:42 PM CDT	Severe Thunderstorm Warning	LUB	Childress	48 min
May 8, 2:02 PM CDT	Areal Flood Advisory	LUB	Lubbock	88 min
May 8, 2:12 PM CDT	Severe Thunderstorm Warning	LUB	Lubbock, Lynn	48 min
May 8, 2:19 PM CDT	Severe Thunderstorm Warning	LUB	Lubbock	41 min
May 8, 2:40 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Lubbock	50 min
May 8, 2:49 PM CDT	Severe Thunderstorm Warning	LUB	Cottle	26 min
May 8, 3:18 PM CDT	Severe Thunderstorm Warning	LUB	Crosby, Dickens	42 min
May 8, 3:40 PM CDT	Tornado Warning	LUB	Dickens, Kent	35 min
May 8, 4:06 PM CDT	River Flood Warning	LUB	Childress	15 hr
May 8, 4:10 PM CDT	Severe Thunderstorm Warning	LUB	Dickens, Kent, King, Stonewall	50 min
May 8, 4:17 PM CDT	Areal Flood Advisory	LUB	Childress, Cottle, Hall, Motley	3 hr
May 8, 4:51 PM CDT	Severe Thunderstorm Warning	LUB	King, Stonewall	24 min
May 8, 5:16 PM CDT	Severe Thunderstorm Warning	LUB	King, Stonewall	29 min

Nearby

Severe Thunderstorm Warnings in Texas, 2015 Every severe thunderstorm warning in 2015

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.