Alert archive / Texas / Tornado Watches in 2006

Tornado Watch 297

May 5, 200645 counties in Texas

The Storm Prediction Center issued this tornado watch at May 5, 2006, 9:24 PM CDT for 45 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 5, 2006, 9:24 PM CDT (02:24 UTC)
Expired: May 6, 2006, 5:00 AM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 45 counties

Bell County, TX, Bosque County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fisher County, TX, Freestone County, TX, Hamilton County, TX, Haskell County, TX, Hill County, TX, Hood County, TX, Irion County, TX, Johnson County, TX, Jones County, TX, Kimble County, TX, Lampasas County, TX, Leon County, TX, Limestone County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Milam County, TX, Mills County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Robertson County, TX, Runnels County, TX, San Saba County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX

The radar

The Dyess AFB radar (KDYX), 61 km from the middle of the area, began a volume at 02:25 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: 40%
One or more EF2 to EF5 tornadoes: 30%
Ten or more severe wind reports: 50%
One or more gusts of 65 knots or more: 50%
Ten or more severe hail reports: 95%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 5, 9:25 PM CDT	Severe Thunderstorm Warning	SJT	Nolan, Taylor	35 min
May 5, 9:28 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Taylor	32 min
May 5, 9:38 PM CDT	Tornado Warning	SJT	Callahan, Coleman	52 min
May 5, 9:38 PM CDT	Tornado Warning	SJT	Brown	52 min
May 5, 9:45 PM CDT	Tornado Warning	SJT	Jones, Shackelford	30 min
May 5, 9:48 PM CDT	Severe Thunderstorm Warning	FWD	Comanche, Mills	31 min
May 5, 9:56 PM CDT	Tornado Warning	FWD	Stephens	32 min
May 5, 9:59 PM CDT	Tornado Warning	FWD	Mills	46 min
May 5, 10:03 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Nolan, Shackelford, Taylor	27 min
May 5, 10:08 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	52 min
May 5, 10:15 PM CDT	Tornado Warning	SJT	Runnels, Taylor	30 min
May 5, 10:16 PM CDT	Severe Thunderstorm Warning	SJT	Coke, Nolan, Runnels, Taylor	59 min
May 5, 10:24 PM CDT	Severe Thunderstorm Warning	SJT	Brown	51 min
May 5, 10:28 PM CDT	Severe Thunderstorm Warning	FWD	Comanche	62 min
May 5, 10:31 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Callahan, Coleman, Shackelford, Taylor	59 min
May 5, 10:33 PM CDT	Flash Flood Warning	SJT	Brown	4 hr
May 5, 10:42 PM CDT	Severe Thunderstorm Warning	SJT	Callahan, Coleman, Runnels, Taylor	63 min
May 5, 10:44 PM CDT	Tornado Warning	FWD	Mills	28 min
May 5, 10:51 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas	54 min
May 5, 10:57 PM CDT	Severe Thunderstorm Warning	FWD	Coryell, Hamilton	63 min
May 5, 11:05 PM CDT	Severe Thunderstorm Warning	FWD	Eastland	55 min
May 5, 11:09 PM CDT	Severe Thunderstorm Warning	FWD	Mills	66 min
May 5, 11:09 PM CDT	Severe Thunderstorm Warning	SJT	Brown	51 min
May 5, 11:18 PM CDT	Severe Thunderstorm Warning	FWD	Erath	57 min
May 5, 11:36 PM CDT	Severe Thunderstorm Warning	SJT	Brown, Coleman, Concho, McCulloch, Runnels, San Saba	54 min
May 5, 11:45 PM CDT	Severe Thunderstorm Warning	FWD	Lampasas	60 min
May 5, 11:50 PM CDT	Severe Thunderstorm Warning	FWD	Comanche	55 min
May 5, 11:51 PM CDT	Tornado Warning	FWD	Coryell	39 min
May 6, 12:04 AM CDT	Severe Thunderstorm Warning	FWD	McLennan	56 min
May 6, 12:11 AM CDT	Severe Thunderstorm Warning	FWD	Mills	64 min
May 6, 12:15 AM CDT	Flash Flood Warning	FWD	Mills	3 hr
May 6, 12:20 AM CDT	Tornado Warning	FWD	McLennan	55 min
May 6, 12:27 AM CDT	Severe Thunderstorm Warning	FWD	Erath	63 min
May 6, 12:29 AM CDT	Tornado Warning	FWD	Coryell	46 min
May 6, 12:29 AM CDT	Severe Thunderstorm Warning	SJT	Concho, McCulloch	61 min
May 6, 12:41 AM CDT	Severe Thunderstorm Warning	FWD	Bell	64 min
May 6, 12:42 AM CDT	Flash Flood Warning	FWD	Coryell, McLennan	3 hr
May 6, 12:46 AM CDT	Severe Thunderstorm Warning	FWD	Hamilton, Lampasas	51 min
May 6, 12:56 AM CDT	Severe Thunderstorm Warning	FWD	Falls	64 min
May 6, 1:04 AM CDT	Severe Thunderstorm Warning	SJT	San Saba	26 min
May 6, 1:10 AM CDT	Severe Thunderstorm Warning	SJT	McCulloch	50 min
May 6, 1:14 AM CDT	Severe Thunderstorm Warning	FWD	Limestone, McLennan	61 min
May 6, 1:54 AM CDT	Severe Thunderstorm Warning	FWD	Bell, Milam	66 min
May 6, 2:00 AM CDT	Flash Flood Warning	FWD	Bell, Falls	2 hr
May 6, 2:04 AM CDT	Flash Flood Warning	SJT	McCulloch, San Saba	116 min
May 6, 2:11 AM CDT	Severe Thunderstorm Warning	SJT	McCulloch, Mason, Menard	53 min
May 6, 2:14 AM CDT	Severe Thunderstorm Warning	FWD	Limestone	46 min
May 6, 2:30 AM CDT	Flash Flood Warning	FWD	Limestone	2 hr
May 6, 2:33 AM CDT	Flash Flood Warning	FWD	Milam	117 min
May 6, 2:47 AM CDT	Flash Flood Warning	FWD	Robertson	2 hr
May 6, 2:57 AM CDT	Severe Thunderstorm Warning	FWD	Milam, Robertson	57 min
May 6, 3:40 AM CDT	Flash Flood Warning	FWD	Coryell, McLennan	2 hr
May 6, 3:51 AM CDT	Flash Flood Warning	FWD	Bell, Falls	2 hr

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, 2.4 hours before the alert went out and 230 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: 510 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 1221 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -50 m²/s²
0-3 km storm-relative helicity: 38 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 5, 7:07 PM CDT	Severe Thunderstorm Watch	SPC	Archer, Baylor, Bosque, Clay, Comanche, Coryell and 17 more	6 hr
May 5, 7:26 PM CDT	Mesoscale Discussion	SPC	Atascosa, Bandera, Bexar, Blanco, Comal, Edwards and 15 more	2 hr
May 5, 11:15 PM CDT	Mesoscale Discussion	SPC	Bell, Bosque, Brazos, Brown, Burnet, Callahan and 44 more	90 min
May 5, 11:40 PM CDT	Severe Thunderstorm Watch	SPC	Bastrop, Blanco, Burnet, Fayette, Gillespie, Lee and 3 more	5 hr
May 6, 1:28 AM CDT	Tornado Watch	SPC	Austin, Brazoria, Brazos, Burleson, Chambers, Colorado and 17 more	7 hr
May 6, 2:31 AM CDT	Mesoscale Discussion	SPC	Bastrop, Blanco, Brazos, Burleson, Caldwell, Comal and 15 more	89 min
May 6, 6:48 AM CDT	Mesoscale Discussion	SPC	Chambers, Hardin, Jasper, Jefferson, Newton, Orange and 1 more	57 min
May 6, 12:11 PM CDT	Mesoscale Discussion	SPC	Bandera, Blanco, Burnet, Edwards, Gillespie, Kendall and 11 more	2 hr
May 6, 2:31 PM CDT	Mesoscale Discussion	SPC	Brooks, Cameron, Hidalgo, Jim Hogg, Kenedy, Starr and 2 more	119 min
May 6, 2:37 PM CDT	Severe Thunderstorm Watch	SPC	Bandera, Bexar, Blanco, Burnet, Comal, Edwards and 16 more	6 hr
May 6, 5:35 PM CDT	Mesoscale Discussion	SPC	Blanco, Burnet, Gillespie, Kendall, Kerr, Kimble and 3 more	85 min

Nearby

Tornado Watches in Texas, 2006 Every tornado watch in 2006

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.