Alert archive / Texas / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 189, NWS Lubbock, TX

June 20, 2007Terry County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Jun 20, 2007, 1:10 AM CDT for Terry County, Texas. It was in force for 39 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 20, 2007, 1:10 AM CDT (06:10 UTC)
Expired
Jun 20, 2007, 1:49 AM CDT
In force
39 min
Issued by
NWS Lubbock, TX
Area
Counties, with a storm outline in the text

County Terry County, TX

The radar

The Lubbock radar (KLBB), 72 km from the middle of the area, began a volume at 06:09 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
Jun 20, 1:10 AM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 6.2 hours before the alert went out and 236 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, Amarillo Airport, TX at 00:00Z on 2007-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3305 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, Amarillo Airport, TX at 00:00Z on 2007-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.1939Sfc1 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
3305 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
1823 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.1

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 19, 11:26 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jun 19, 11:26 PM CDT, 1 hour 44 minutes before
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Hazardous weather outlook, Jun 19, 9:58 PM CDT, 3 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
958 PM CDT TUE JUN 19 2007

TXZ021>044-201200-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
958 PM CDT TUE JUN 19 2007

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

.DAY ONE...TONIGHT

CONVECTIVE

THUNDERSTORMS...POSSIBLY ASSOCIATED WITH TWO DISTINCT CONVECTIVE
COMPLEXES...WILL MOVE SOUTHWARD OVER THE FORECAST AREA TONIGHT.
SOME OF THE THUNDERSTORMS MAY PRODUCE DAMAGING WINDS AND LARGE
HAIL. THE MOST LIKELY AREAS TO BE AFFECTED BY SEVERE WEATHER
CONDITIONS BE LOCALES OVER THE EXTREME SOUTHEASTERN TEXAS
PANHANDLE...THE NORTHERN SOUTH PLAINS...AND THE NORTHERN ROLLING
PLAINS AFTER MIDNIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

THE PROBABILITY OF WIDESPREAD HAZARDOUS WEATHER IS LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED OVERNIGHT.

In the hours before

Special weather statement, Jun 19, 11:37 PM CDT, 1 hour 33 minutes before
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Special weather statement, Jun 20, 12:12 AM CDT, 58 minutes before
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Local storm report, Jun 20, 12:47 AM CDT, 23 minutes before
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Local storm report, Jun 20, 12:57 AM CDT, 13 minutes before
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Local storm report, Jun 20, 1:04 AM CDT, 6 minutes before
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Local storm report, Jun 20, 1:07 AM CDT, 3 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 7:46 PM CDTSevere Thunderstorm WarningLUBParmer59 min
Jun 19, 8:36 PM CDTSevere Thunderstorm WarningLUBCastro24 min
Jun 19, 9:29 PM CDTSevere Thunderstorm WarningLUBCastro61 min
Jun 19, 10:05 PM CDTSevere Thunderstorm WarningLUBSwisher55 min
Jun 19, 10:24 PM CDTSevere Thunderstorm WarningLUBLamb66 min
Jun 19, 11:45 PM CDTSevere Thunderstorm WarningLUBHockley60 min
Jun 20, 12:20 AM CDTSevere Thunderstorm WarningLUBChildress55 min
Jun 20, 12:26 AM CDTSevere Thunderstorm WarningLUBLubbock64 min
Jun 20, 12:31 AM CDTHigh Wind WarningLUBBriscoe, Childress, Cottle, Crosby, Dickens, Floyd and 6 more2 hr
Jun 20, 12:40 AM CDTSevere Thunderstorm WarningLUBCottle65 min
Jun 20, 12:58 AM CDTSevere Thunderstorm WarningLUBLynn62 min
Jun 20, 1:52 AM CDTSevere Thunderstorm WarningLUBStonewall53 min
Jun 20, 7:47 AM CDTSevere Thunderstorm WarningLUBYoakum58 min

Nearby

Severe Thunderstorm Warnings in Texas, 2007Every severe thunderstorm warning in 2007

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.