Alert archive / Texas / Tornado Watches in 2008

Tornado Watch 221

April 23, 200850 counties in Texas

The Storm Prediction Center issued this tornado watch at Apr 23, 2008, 3:25 PM CDT for 50 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Apr 23, 2008, 3:25 PM CDT (20:25 UTC)
Expired
Apr 23, 2008, 11:00 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
All 50 counties

Andrews County, TX, Borden County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Eastland County, TX, Ector County, TX, Erath County, TX, Fisher County, TX, Gaines County, TX, Glasscock County, TX, Hamilton County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jack County, TX, Jones County, TX, Kent County, TX, Lampasas County, TX, Martin County, TX, McCulloch County, TX, Menard County, TX, Midland County, TX, Mills County, TX, Mitchell County, TX, Nolan County, TX, Palo Pinto County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Young County, TX

The radar

The Midland/Odessa radar (KMAF), 115 km from the middle of the area, began a volume at 20:26 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

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

IssuedProductOfficeCountiesLasted
Apr 23, 3:28 PM CDTSevere Thunderstorm WarningMAFGaines62 min
Apr 23, 3:40 PM CDTTornado WarningSJTFisher, Haskell, Jones50 min
Apr 23, 3:47 PM CDTTornado WarningSJTFisher, Jones43 min
Apr 23, 4:00 PM CDTTornado WarningMAFDawson30 min
Apr 23, 4:04 PM CDTTornado WarningMAFGaines41 min
Apr 23, 4:16 PM CDTTornado WarningSJTJones44 min
Apr 23, 4:21 PM CDTTornado WarningSJTHaskell, Jones39 min
Apr 23, 4:23 PM CDTTornado WarningMAFBorden37 min
Apr 23, 4:47 PM CDTTornado WarningSJTCallahan, Jones, Shackelford, Taylor43 min
Apr 23, 4:49 PM CDTTornado WarningMAFDawson, Gaines41 min
Apr 23, 4:50 PM CDTSevere Thunderstorm WarningSJTCrockett, Irion25 min
Apr 23, 4:52 PM CDTTornado WarningSJTJones, Shackelford, Throckmorton38 min
Apr 23, 5:03 PM CDTSevere Thunderstorm WarningMAFBorden42 min
Apr 23, 5:12 PM CDTTornado WarningSJTCallahan, Shackelford, Throckmorton33 min
Apr 23, 5:19 PM CDTFlash Flood WarningSJTJones, Shackelford116 min
Apr 23, 5:25 PM CDTTornado WarningFWDStephens65 min
Apr 23, 5:28 PM CDTSevere Thunderstorm WarningMAFGaines23 min
Apr 23, 5:28 PM CDTTornado WarningMAFDawson47 min
Apr 23, 5:30 PM CDTSevere Thunderstorm WarningFWDEastland45 min
Apr 23, 5:30 PM CDTSevere Thunderstorm WarningSJTCallahan30 min
Apr 23, 5:32 PM CDTSevere Thunderstorm WarningMAFScurry22 min
Apr 23, 5:35 PM CDTTornado WarningSJTCallahan, Shackelford25 min
Apr 23, 5:38 PM CDTSevere Thunderstorm WarningFWDErath52 min
Apr 23, 5:43 PM CDTTornado WarningMAFMartin47 min
Apr 23, 5:54 PM CDTSevere Thunderstorm WarningFWDPalo Pinto51 min
Apr 23, 5:54 PM CDTSevere Thunderstorm WarningSJTFisher, Jones36 min
Apr 23, 6:11 PM CDTSevere Thunderstorm WarningFWDEastland64 min
Apr 23, 6:14 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Howard25 min
Apr 23, 6:16 PM CDTSevere Thunderstorm WarningSJTCallahan, Taylor29 min
Apr 23, 6:28 PM CDTSevere Thunderstorm WarningFWDPalo Pinto, Stephens62 min
Apr 23, 6:34 PM CDTSevere Thunderstorm WarningFWDErath41 min
Apr 23, 6:35 PM CDTTornado WarningMAFHoward25 min
Apr 23, 6:38 PM CDTSevere Thunderstorm WarningSJTCallahan, Taylor37 min
Apr 23, 6:41 PM CDTTornado WarningFWDErath, Palo Pinto34 min
Apr 23, 6:41 PM CDTSevere Thunderstorm WarningMAFDawson29 min
Apr 23, 6:51 PM CDTSevere Thunderstorm WarningMAFHoward24 min
Apr 23, 6:53 PM CDTSevere Thunderstorm WarningMAFDawson45 min
Apr 23, 6:55 PM CDTTornado WarningMAFHoward25 min
Apr 23, 6:56 PM CDTFlash Flood WarningFWDEastland, Erath, Palo Pinto, Stephens2 hr
Apr 23, 7:01 PM CDTSevere Thunderstorm WarningFWDComanche44 min
Apr 23, 7:04 PM CDTSevere Thunderstorm WarningSJTCallahan26 min
Apr 23, 7:06 PM CDTSevere Thunderstorm WarningFWDJack, Young39 min
Apr 23, 7:08 PM CDTSevere Thunderstorm WarningMAFMitchell27 min
Apr 23, 7:08 PM CDTSevere Thunderstorm WarningSJTCallahan, Shackelford, Taylor37 min
Apr 23, 7:10 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland65 min
Apr 23, 7:15 PM CDTSevere Thunderstorm WarningFWDErath60 min
Apr 23, 7:25 PM CDTSevere Thunderstorm WarningSJTCallahan21 min
Apr 23, 7:30 PM CDTSevere Thunderstorm WarningFWDPalo Pinto30 min
Apr 23, 7:33 PM CDTSevere Thunderstorm WarningMAFBorden57 min
Apr 23, 7:41 PM CDTSevere Thunderstorm WarningSJTCallahan34 min
Apr 23, 8:14 PM CDTSevere Thunderstorm WarningFWDErath46 min
Apr 23, 8:14 PM CDTSevere Thunderstorm WarningFWDComanche, Eastland46 min
Apr 23, 8:51 PM CDTFlash Flood WarningFWDErath, Palo Pinto3 hr
Apr 23, 8:55 PM CDTSevere Thunderstorm WarningFWDComanche, Erath, Hamilton50 min
Apr 23, 9:03 PM CDTSevere Thunderstorm WarningSJTBrown32 min
Apr 23, 9:33 PM CDTSevere Thunderstorm WarningFWDHamilton42 min
Apr 23, 9:37 PM CDTFlash Flood WarningFWDBosque, Hamilton, Hill, Johnson, Somervell113 min
Apr 23, 9:43 PM CDTSevere Thunderstorm WarningFWDComanche32 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

Midland Regional, TX (KMAF), launched 12:00Z, 8.4 hours before the alert went out and 116 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 2008-04-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2797 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 2008-04-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 219 square meters per square second.19395878Sfc1 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
2797 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
219 m²/s²
0-3 km storm-relative helicity
211 m²/s²
Significant tornado parameter
1.8
Supercell composite
13.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 2:01 AM CDTMesoscale DiscussionSPCArcher, Baylor, Clay, Wichita, Wilbarger89 min
Apr 23, 7:31 AM CDTMesoscale DiscussionSPCArmstrong, Baylor, Borden, Briscoe, Carson, Childress and 36 more59 min
Apr 23, 9:32 AM CDTSevere Thunderstorm WatchSPCArcher, Armstrong, Bailey, Baylor, Briscoe, Carson and 46 more6 hr
Apr 23, 9:59 AM CDTMesoscale DiscussionSPCBorden, Callahan, Coke, Dawson, Fisher, Garza and 18 more61 min
Apr 23, 10:07 AM CDTTornado WatchSPCAndrews, Borden, Coke, Concho, Crane, Dawson and 25 more6 hr
Apr 23, 11:42 AM CDTMesoscale DiscussionSPCClay, Collin, Cooke, Dallas, Denton, Fannin and 10 more2 hr
Apr 23, 1:35 PM CDTMesoscale DiscussionSPCAndrews, Borden, Coke, Crane, Dawson, Ector and 20 more85 min
Apr 23, 2:28 PM CDTMesoscale DiscussionSPCAngelina, Bowie, Camp, Cass, Cherokee, Franklin and 18 more3 hr
Apr 23, 3:16 PM CDTMesoscale DiscussionSPCAndrews, Borden, Brown, Callahan, Coke, Coleman and 34 more59 min
Apr 23, 3:37 PM CDTMesoscale DiscussionSPCArmstrong, Briscoe, Carson, Childress, Collingsworth, Cottle and 15 more53 min
Apr 23, 3:52 PM CDTSevere Thunderstorm WatchSPCArmstrong, Bailey, Briscoe, Carson, Castro, Cochran and 31 more4 hr
Apr 23, 5:43 PM CDTMesoscale DiscussionSPCAndrews, Borden, Brown, Callahan, Coke, Coleman and 44 more92 min
Apr 23, 6:20 PM CDTTornado WatchSPCAnderson, Bosque, Collin, Coryell, Dallas, Delta and 24 more7 hr

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.