Alert archive / Texas / Tornado Watches in 2006
Tornado Watch 260
The Storm Prediction Center issued this tornado watch at Apr 28, 2006, 11:08 PM CDT for 4 counties in Arkansas; Choctaw County, McCurtain County, Pushmataha County, Oklahoma; 46 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 28, 2006, 11:08 PM CDT (04:08 UTC)
- Expired
- Apr 29, 2006, 6:06 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 53 counties
Howard County, AR, Little River County, AR, Miller County, AR, Sevier County, AR, Choctaw County, OK, McCurtain County, OK, Pushmataha County, OK, Anderson County, TX, Angelina County, TX, Austin County, TX, Bowie County, TX, Brazos County, TX, Burleson County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Colorado County, TX, Delta County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Houston County, TX, Hunt County, TX, Kaufman County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, Montgomery County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rockwall County, TX, Rusk County, TX, San Jacinto County, TX, Smith County, TX, Titus County, TX, Trinity County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 150 km from the middle of the area, began a volume at 04:11 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
- 50%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 90%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 3:24 AM CDT | Severe Thunderstorm Warning | FWD | Limestone | 56 min |
| Apr 29, 3:45 AM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 60 min |
| Apr 29, 4:10 AM CDT | Severe Thunderstorm Warning | FWD | Robertson | 46 min |
| Apr 29, 4:26 AM CDT | Severe Thunderstorm Warning | HGX | Brazos, Burleson | 34 min |
| Apr 29, 5:44 AM CDT | Tornado Warning | HGX | Montgomery, San Jacinto | 46 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, 4.1 hours before the alert went out and 154 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.
- Mixed-layer CAPE
- 446 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 654 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 532 m²/s²
- 0-3 km storm-relative helicity
- 752 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 8.7
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 4:03 AM CDT | Mesoscale Discussion | SPC | Howard, Little River, Miller, Sevier | 57 min |
| Apr 29, 6:04 AM CDT | Tornado Watch | SPC | Columbia, Lafayette, Little River, Miller, Union | 7 hr |
| Apr 29, 7:37 AM CDT | Mesoscale Discussion | SPC | Columbia, Lafayette, Little River, Miller, Union | 83 min |
| Apr 29, 11:55 AM CDT | Mesoscale Discussion | SPC | Columbia, Hempstead, Howard, Lafayette, Little River, Miller and 4 more | 65 min |
| Apr 29, 12:47 PM CDT | Tornado Watch | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Conway and 31 more | 8 hr |
| Apr 29, 2:34 PM CDT | Mesoscale Discussion | SPC | Clark, Columbia, Crawford, Franklin, Garland, Hempstead and 17 more | 86 min |
| Apr 29, 6:26 PM CDT | Mesoscale Discussion | SPC | Bradley, Calhoun, Cleburne, Cleveland, Conway, Dallas and 12 more | 94 min |
| Apr 28, 8:44 PM CDT | Mesoscale Discussion | SPC | Bryan, Carter, Choctaw, Jefferson, Johnston, Love and 1 more | 91 min |
| Apr 29, 10:05 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Garvin and 17 more | 115 min |
| Apr 28, 7:43 PM CDT | Tornado Watch | SPC | Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 33 more | 6 hr |
| Apr 28, 10:03 PM CDT | Mesoscale Discussion | SPC | Anderson, Bastrop, Brazos, Burleson, Camp, Cass and 32 more | 87 min |
| Apr 28, 11:14 PM CDT | Mesoscale Discussion | SPC | Bandera, Bexar, Edwards, Frio, Kendall, Kerr and 5 more | 91 min |
| Apr 29, 1:51 AM CDT | Mesoscale Discussion | SPC | Atascosa, Austin, Bastrop, Bell, Bexar, Brazos and 24 more | 24 min |
| Apr 29, 1:58 AM CDT | Tornado Watch | SPC | Atascosa, Bandera, Bastrop, Bell, Bexar, Blanco and 18 more | 3 hr |
| Apr 29, 9:57 AM CDT | Mesoscale Discussion | SPC | Chambers, Hardin, Jefferson, Newton, Orange | 2 hr |
Nearby
Tornado Watches in Texas, 2006Tornado Watches in Arkansas, 2006Tornado Watches in Oklahoma, 2006Every 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.