Alert archive / Texas / Tornado Watches in 2008

Tornado Watch 323

May 14, 200836 counties in Texas

The Storm Prediction Center issued this tornado watch at May 14, 2008, 7:50 PM CDT for 36 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 14, 2008, 7:50 PM CDT (00:50 UTC)
Expired
May 15, 2008, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 36 counties

Bastrop County, TX, Bell County, TX, Bosque County, TX, Brazos County, TX, Burleson County, TX, Caldwell County, TX, Comal County, TX, Dallas County, TX, Ellis County, TX, Falls County, TX, Fayette County, TX, Freestone County, TX, Grimes County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Houston County, TX, Johnson County, TX, Kaufman County, TX, Lee County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, McLennan County, TX, Milam County, TX, Navarro County, TX, Parker County, TX, Robertson County, TX, Rockwall County, TX, Somervell County, TX, Tarrant County, TX, Travis County, TX, Trinity County, TX, Walker County, TX, Washington County, TX, Williamson County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 102 km from the middle of the area, began a volume at 00:53 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 14, 8:13 PM CDTSevere Thunderstorm WarningFWDBell, Coryell, Lampasas62 min
May 14, 8:16 PM CDTSevere Thunderstorm WarningEWXBurnet, Williamson59 min
May 14, 8:29 PM CDTTornado WarningEWXBurnet, Llano, Travis, Williamson46 min
May 14, 9:02 PM CDTTornado WarningEWXTravis, Williamson43 min
May 14, 9:10 PM CDTSevere Thunderstorm WarningEWXWilliamson50 min
May 14, 9:11 PM CDTSevere Thunderstorm WarningFWDBell64 min
May 14, 9:32 PM CDTSevere Thunderstorm WarningFWDBosque, Coryell, Hamilton28 min
May 14, 9:36 PM CDTSevere Thunderstorm WarningFWDBell, Milam54 min
May 14, 9:42 PM CDTTornado WarningEWXBastrop, Lee, Travis, Williamson48 min
May 14, 9:50 PM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Llano, Travis, Williamson40 min
May 14, 10:31 PM CDTSevere Thunderstorm WarningEWXBastrop, Lee, Travis, Williamson44 min
May 14, 10:44 PM CDTSevere Thunderstorm WarningFWDMilam61 min
May 14, 11:06 PM CDTSevere Thunderstorm WarningFWDRobertson54 min
May 14, 11:12 PM CDTSevere Thunderstorm WarningEWXLee18 min
May 14, 11:23 PM CDTSevere Thunderstorm WarningFWDEllis48 min
May 14, 11:26 PM CDTSevere Thunderstorm WarningHGXBrazos, Burleson49 min
May 14, 11:45 PM CDTSevere Thunderstorm WarningHGXMadison45 min
May 14, 11:49 PM CDTSevere Thunderstorm WarningFWDLeon56 min
May 14, 11:54 PM CDTSevere Thunderstorm WarningFWDMilam43 min
May 14, 11:58 PM CDTSevere Thunderstorm WarningEWXBastrop, Blanco, Burnet, Hays, Travis, Williamson47 min
May 15, 12:14 AM CDTSevere Thunderstorm WarningHGXBrazos, Burleson46 min
May 15, 12:14 AM CDTSevere Thunderstorm WarningHGXBrazos, Grimes, Madison46 min
May 15, 12:34 AM CDTSevere Thunderstorm WarningHGXGrimes, Houston, Madison, Trinity, Walker41 min
May 15, 12:39 AM CDTSevere Thunderstorm WarningEWXBastrop, Lee, Travis, Williamson36 min
May 15, 12:51 AM CDTSevere Thunderstorm WarningHGXBrazos, Grimes, Madison39 min
May 15, 1:03 AM CDTSevere Thunderstorm WarningHGXHouston, Trinity, Walker42 min
May 15, 1:16 AM CDTSevere Thunderstorm WarningEWXBastrop, Fayette, Lee, Travis34 min
May 15, 1:44 AM CDTSevere Thunderstorm WarningHGXPolk, Trinity31 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

Fort Worth, TX (KFWD), launched 00:00Z, 0.8 hours before the alert went out and 130 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, Fort Worth, TX at 00:00Z on 2008-05-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 726 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, Fort Worth, TX at 00:00Z on 2008-05-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939587897Sfc1 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
726 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
843 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.3
Supercell composite
1.6

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 14, 7:06 PM CDTMesoscale DiscussionSPCAtascosa, Bandera, Bexar, Blanco, Brown, Burnet and 30 more54 min
May 14, 7:53 PM CDTMesoscale DiscussionSPCBrooks, Hidalgo, Jim Hogg, Starr, Zapata67 min
May 14, 10:02 PM CDTMesoscale DiscussionSPCAustin, Bandera, Bastrop, Bell, Bexar, Blanco and 76 more88 min
May 14, 11:40 PM CDTMesoscale DiscussionSPCAnderson, Angelina, Cherokee, Gregg, Henderson, Houston and 9 more65 min
May 15, 1:16 AM CDTTornado WatchSPCAngelina, Bowie, Brazos, Burleson, Camp, Cass and 29 more6 hr
May 15, 2:11 AM CDTMesoscale DiscussionSPCJefferson, Orange94 min
May 15, 4:16 AM CDTTornado WatchSPCJefferson, Orange7 hr
May 15, 6:24 PM CDTMesoscale DiscussionSPCDimmit, Maverick66 min

Nearby

Tornado Watches in Texas, 2008Every tornado watch in 2008

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.