Alert archive / Texas / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 164, NWS Lubbock, TX

October 7, 2018Parmer County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Oct 7, 2018, 2:11 PM CDT for Parmer 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: Oct 7, 2018, 2:11 PM CDT (19:11 UTC)
Expired: Oct 7, 2018, 3:15 PM CDT
In force: 64 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 60.0 mph

County Parmer County, TX

The radar

The Cannon AFB radar (KFDX), 77 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 126 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: 259 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 507 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 246 m²/s²
0-3 km storm-relative helicity: 275 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

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 Oct 7, 12:32 PM CDT, 1 hour 39 minutes earlier.

Area forecast discussion, Oct 7, 12:32 PM CDT, 1 hour 39 minutes before

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Hazardous weather outlook, Oct 7, 12:00 PM CDT, 2 hours 11 minutes before

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        The site you requested is temporarily down for maintenance or an unexpected outage.
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The office that day

Everything else NWS Lubbock, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 6, 7:59 PM CDT	Special Weather Statement	LUB	Cochran	31 min
Oct 6, 8:34 PM CDT	Special Weather Statement	LUB	Cochran	26 min
Oct 7, 8:00 AM CDT	Dense Fog Advisory	LUB	Bailey, Briscoe, Castro, Childress, Cochran, Cottle and 13 more	4 hr
Oct 7, 2:37 PM CDT	Tornado Warning	LUB	Castro	23 min
Oct 7, 3:08 PM CDT	Tornado Warning	LUB	Parmer	52 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.