Alert archive / Texas / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 52, NWS Lubbock, TX

May 15, 2020Garza County, Lynn County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at May 15, 2020, 2:58 PM CDT for Garza County, Lynn County, Texas. It was in force for 62 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 15, 2020, 2:58 PM CDT (19:58 UTC)
Expired
May 15, 2020, 4:00 PM CDT
In force
62 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Garza County, TX, Lynn County, TX

The radar

The Lubbock radar (KLBB), 58 km from the middle of the area, began a volume at 20:00 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.

IssuedProductOfficeLasted
May 15, 2:55 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 8.0 hours before the alert went out and 149 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-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 2020-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2781 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2020-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2781 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
1062 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
151 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 May 15, 12:35 PM CDT, 2 hours 23 minutes earlier.

Area forecast discussion, May 15, 12:35 PM CDT, 2 hours 23 minutes before
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Hazardous weather outlook, May 15, 11:44 AM CDT, 3 hours 14 minutes before
Hazardous Weather Outlook
National Weather Service Lubbock TX
1144 AM CDT Fri May 15 2020

TXZ021>044-161645-
Parmer-Castro-Swisher-Briscoe-Hall-Childress-Bailey-Lamb-Hale-Floyd-
Motley-Cottle-Cochran-Hockley-Lubbock-Crosby-Dickens-King-Yoakum-
Terry-Lynn-Garza-Kent-Stonewall-
1144 AM CDT Fri May 15 2020

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

.DAY ONE...This afternoon and tonight.

Thunderstorms, some severe, are expected to develop this afternoon
across the South Plains and Rolling Plains, generally along and east
of a Denver City to Lubbock to Memphis line. Damaging winds to 70
mph and large hail up to two inches in diameter will be possible in
addition to the potential for localized flash flooding. The severe
weather threat will continue through the evening as the storms move
to the east and southeast.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Mainly evening and overnight thunderstorms are expected through at
least Monday night. There will be a conditional risk of severe
thunderstorms with this activity.

.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.

The office that day

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

IssuedProductOfficeCountiesLasted
May 15, 3:20 PM CDTSevere Thunderstorm WarningLUBBriscoe, Hall, Motley55 min
May 15, 3:33 PM CDTSevere Thunderstorm WarningLUBGarza, Lynn57 min
May 15, 3:41 PM CDTAreal Flood AdvisoryLUBGarza, Lynn3 hr
May 15, 3:56 PM CDTSevere Thunderstorm WarningLUBDickens, Kent, Stonewall64 min
May 15, 4:08 PM CDTSevere Thunderstorm WarningLUBCrosby, Dickens, Garza, Kent, Lynn52 min
May 15, 4:19 PM CDTAreal Flood AdvisoryLUBDickens, Garza, Kent3 hr
May 15, 4:19 PM CDTSpecial Weather StatementLUBHall26 min
May 15, 4:27 PM CDTSevere Thunderstorm WarningLUBLynn63 min
May 15, 4:35 PM CDTAreal Flood AdvisoryLUBHall, Motley115 min
May 15, 4:44 PM CDTSpecial Weather StatementLUBLubbock31 min
May 15, 4:47 PM CDTSevere Thunderstorm WarningLUBCottle, Hall, Motley58 min
May 15, 4:57 PM CDTSevere Thunderstorm WarningLUBCrosby, Dickens, Garza, Kent, King, Stonewall63 min
May 15, 5:16 PM CDTSpecial Weather StatementLUBLubbock14 min
May 15, 5:21 PM CDTSpecial Weather StatementLUBCrosby24 min
May 15, 5:29 PM CDTSpecial Weather StatementLUBLynn31 min
May 15, 5:42 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall, Motley47 min
May 15, 5:42 PM CDTSevere Thunderstorm WarningLUBCottle, King50 min
May 15, 5:46 PM CDTSpecial Weather StatementLUBCrosby29 min
May 15, 6:08 PM CDTSpecial Weather StatementLUBMotley22 min
May 15, 6:16 PM CDTSevere Thunderstorm WarningLUBMotley44 min
May 15, 6:17 PM CDTSevere Thunderstorm WarningLUBCottle, King17 min
May 15, 6:36 PM CDTSpecial Weather StatementLUBCottle24 min

Nearby

Severe Thunderstorm Warnings in Texas, 2020Every 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.