Alert archive / Texas / Severe Thunderstorm Watches in 2007

Severe Thunderstorm Watch 343

June 3, 200712 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 3, 2007, 7:10 PM CDT for 12 counties in Texas. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jun 3, 2007, 7:10 PM CDT (00:10 UTC)
Expired
Jun 3, 2007, 11:36 PM CDT
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
2 in
Strongest gust expected
60 kt

Counties Bailey County, TX, Castro County, TX, Cochran County, TX, Hale County, TX, Hockley County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Parmer County, TX, Swisher County, TX, Terry County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 72 km from the middle of the area, began a volume at 00:13 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.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
20%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
30%
One or more hailstones of 2 inches or more
20%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jun 3, 7:51 PM CDTSevere Thunderstorm WarningLUBCochran, Yoakum54 min
Jun 3, 9:09 PM CDTSevere Thunderstorm WarningLUBLynn25 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 00:00Z, 0.2 hours before the alert went out and 169 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 2007-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 421 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 2007-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
421 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
1834 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
97 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 7:12 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bee, Bexar, Dimmit, Edwards and 13 more63 min
Jun 3, 7:32 PM CDTSevere Thunderstorm WatchSPCAtascosa, Bandera, Bexar, DeWitt, Dimmit, Edwards and 10 more4 hr
Jun 3, 9:22 PM CDTMesoscale DiscussionSPCAustin, Bastrop, Blanco, Brazoria, Brazos, Burleson and 26 more53 min
Jun 3, 11:13 PM CDTMesoscale DiscussionSPCBriscoe, Childress, Cottle, Dickens, Foard, Hall and 4 more2 hr
Jun 3, 11:34 PM CDTMesoscale DiscussionSPCAtascosa, Austin, Bandera, Bexar, Brazoria, Chambers and 23 more116 min
Jun 4, 11:43 AM CDTMesoscale DiscussionSPCHardin, Houston, Jasper, Leon, Liberty, Madison and 7 more92 min
Jun 4, 2:24 PM CDTSevere Thunderstorm WatchSPCAustin, Bastrop, Bell, Blanco, Brazos, Burleson and 35 more6 hr
Jun 4, 5:30 PM CDTMesoscale DiscussionSPCAustin, Bastrop, Bell, Blanco, Brazos, Burleson and 35 more90 min
Jun 4, 6:57 PM CDTMesoscale DiscussionSPCAtascosa, Bee, Bexar, DeWitt, Dimmit, Frio and 15 more93 min

Nearby

Severe Thunderstorm Watches in Texas, 2007Every severe thunderstorm watch 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.