Alert archive / Texas / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 177, NWS Lubbock, TX

August 13, 2013Bailey County, Lamb County, Parmer County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Aug 13, 2013, 9:12 PM CDT for Bailey County, Lamb County, Parmer 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: Aug 13, 2013, 9:12 PM CDT (02:12 UTC)
Expired: Aug 13, 2013, 9:45 PM CDT
In force: 33 min
Issued by: NWS Lubbock, TX
Area: Storm-based polygon

Counties Bailey County, TX, Lamb County, TX, Parmer County, TX

The radar

The Cannon AFB radar (KFDX), 100 km from the middle of the area, began a volume at 02:12 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

Midland Regional, TX (KMAF), launched 00:00Z, 2.2 hours before the alert went out and 256 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: 17 J/kg
Mixed-layer CIN: -61 J/kg
Mixed-layer LCL: 2594 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 24 m²/s²
0-3 km storm-relative helicity: 50 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 Aug 13, 6:37 PM CDT, 2 hours 35 minutes earlier.

Area forecast discussion, Aug 13, 6:37 PM CDT, 2 hours 35 minutes before

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Hazardous weather outlook, Aug 13, 6:12 AM CDT, 15 hours before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
612 AM CDT TUE AUG 13 2013

TXZ021>044-141115-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
612 AM CDT TUE AUG 13 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS
PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS.

.DAY ONE...TODAY AND TONIGHT

CONVECTIVE

THE COMBINATION OF A COLD FRONT AND AN UPPER-LEVEL DISTURBANCE WILL
BRING A CHANCE OF THUNDERSTORMS TO THE SOUTH PLAINS AREA TODAY AND
TONIGHT. A FEW OF THESE STORMS MAY BE SEVERE WITH DAMAGING WIND
GUSTS THE PRIMARY THREAT. LOCALLY HEAVY RAIN WILL ALSO BE POSSIBLE.
THE SEVERE THREAT AREA WILL BE MAINLY ACROSS THE FAR SOUTHERN TEXAS
PANHANDLE AND NORTHERN PORTIONS OF THE SOUTH PLAINS AND ROLLING
PLAINS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THUNDERSTORM CHANCES WILL CONTINUE FROM WEDNESDAY THROUGH FRIDAY.
A FEW OF THESE STORMS COULD BECOME STRONG TO SEVERE AND PRODUCE
LOCALLY HEAVY RAINFALL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Special weather statement, Aug 13, 6:56 PM CDT, 2 hours 16 minutes before

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Special weather statement, Aug 13, 7:28 PM CDT, 1 hour 44 minutes before

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Special weather statement, Aug 13, 7:56 PM CDT, 1 hour 16 minutes before

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Special weather statement, Aug 13, 8:15 PM CDT, 57 minutes before

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Special weather statement, Aug 13, 8:21 PM CDT, 51 minutes before

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Special weather statement, Aug 13, 8:28 PM CDT, 44 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
Aug 13, 7:28 PM CDT	Special Weather Statement	LUB	Lamb	32 min
Aug 13, 7:56 PM CDT	Special Weather Statement	LUB	Hale	19 min
Aug 13, 8:15 PM CDT	Special Weather Statement	LUB	Hale	15 min
Aug 13, 8:21 PM CDT	Special Weather Statement	LUB	Parmer	24 min
Aug 13, 8:28 PM CDT	Special Weather Statement	LUB	Hale	32 min
Aug 13, 9:44 PM CDT	Severe Thunderstorm Warning	LUB	Bailey	16 min
Aug 13, 9:58 PM CDT	Special Weather Statement	LUB	Lamb	32 min
Aug 13, 10:28 PM CDT	Special Weather Statement	LUB	Lamb	32 min
Aug 14, 2:06 AM CDT	Special Weather Statement	LUB	Dickens	39 min
Aug 14, 3:27 AM CDT	Flash Flood Warning	LUB	Garza	93 min
Aug 14, 3:50 AM CDT	Areal Flood Advisory	LUB	Dickens, King	2 hr
Aug 14, 5:53 AM CDT	Areal Flood Advisory	LUB	Garza	67 min

Nearby

Severe Thunderstorm Warnings in Texas, 2013 Every severe thunderstorm warning in 2013

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.