Alert archive / Texas / Severe Thunderstorm Watches in 2007
Severe Thunderstorm Watch 342
The Storm Prediction Center issued this severe thunderstorm watch at Jun 3, 2007, 5:45 PM CDT for 43 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 3, 2007, 5:45 PM CDT (22:45 UTC)
- Expired
- Jun 4, 2007, 12:55 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 70 kt
All 43 counties
Austin County, TX, Bastrop County, TX, Bell County, TX, Blanco County, TX, Brazoria County, TX, Brazos County, TX, Burleson County, TX, Burnet County, TX, Caldwell County, TX, Chambers County, TX, Colorado County, TX, Comal County, TX, Coryell County, TX, Fayette County, TX, Fort Bend County, TX, Galveston County, TX, Gillespie County, TX, Gonzales County, TX, Grimes County, TX, Guadalupe County, TX, Harris County, TX, Hays County, TX, Jackson County, TX, Kendall County, TX, Kerr County, TX, Lampasas County, TX, Lavaca County, TX, Lee County, TX, Liberty County, TX, Llano County, TX, Madison County, TX, Matagorda County, TX, Milam County, TX, Mills County, TX, Montgomery County, TX, Robertson County, TX, San Jacinto County, TX, Travis County, TX, Walker County, TX, Waller County, TX, Washington County, TX, Wharton County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 26 km from the middle of the area, began a volume at 22:47 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
- 80%
- One or more gusts of 65 knots or more
- 50%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 3, 5:59 PM CDT | Severe Thunderstorm Warning | HGX | San Jacinto, Walker | 46 min |
| Jun 3, 6:27 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery | 18 min |
| Jun 3, 6:44 PM CDT | Severe Thunderstorm Warning | HGX | Montgomery, San Jacinto, Walker | 38 min |
| Jun 3, 6:50 PM CDT | Flash Flood Warning | EWX | Burnet, Llano | 3 hr |
| Jun 3, 7:05 PM CDT | Severe Thunderstorm Warning | EWX | Llano | 70 min |
| Jun 3, 7:10 PM CDT | Severe Thunderstorm Warning | FWD | Bell | 51 min |
| Jun 3, 7:16 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 59 min |
| Jun 3, 7:18 PM CDT | Severe Thunderstorm Warning | EWX | Burnet | 57 min |
| Jun 3, 7:42 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 63 min |
| Jun 3, 7:50 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 55 min |
| Jun 3, 8:12 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 2 hr |
| Jun 3, 8:15 PM CDT | Severe Thunderstorm Warning | EWX | Blanco | 60 min |
| Jun 3, 8:26 PM CDT | Tornado Warning | EWX | Blanco | 34 min |
| Jun 3, 8:29 PM CDT | Severe Thunderstorm Warning | EWX | Travis | 61 min |
| Jun 3, 8:47 PM CDT | Severe Thunderstorm Warning | EWX | Hays | 58 min |
| Jun 3, 9:04 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Medina | 56 min |
| Jun 3, 9:16 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell, Guadalupe | 59 min |
| Jun 3, 9:28 PM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Wilson | 62 min |
| Jun 3, 9:37 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop | 53 min |
| Jun 3, 9:59 PM CDT | Flash Flood Warning | EWX | Travis, Williamson | 2 hr |
| Jun 3, 10:00 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 60 min |
| Jun 3, 10:02 PM CDT | Flash Flood Warning | EWX | Bastrop | 3 hr |
| Jun 3, 10:23 PM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 67 min |
| Jun 3, 10:27 PM CDT | Tornado Warning | EWX | Fayette | 33 min |
| Jun 3, 10:38 PM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado | 52 min |
| Jun 3, 10:52 PM CDT | Flash Flood Warning | EWX | Fayette | 3 hr |
| Jun 3, 10:57 PM CDT | Severe Thunderstorm Warning | EWX | Fayette | 18 min |
| Jun 3, 11:00 PM CDT | Tornado Warning | HGX | Colorado | 30 min |
| Jun 3, 11:33 PM CDT | Severe Thunderstorm Warning | HGX | Austin, Colorado, Fort Bend, Waller, Wharton | 42 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 12:00Z, 10.8 hours before the alert went out and 255 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
- 1124 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 1216 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 7:28 PM CDT | Mesoscale Discussion | SPC | Armstrong, Bailey, Briscoe, Carson, Castro, Childress and 29 more | 62 min |
| Jun 2, 9:45 PM CDT | Mesoscale Discussion | SPC | Bailey, Castro, Crosby, Garza, Hale, Hockley and 5 more | 60 min |
| Jun 2, 10:36 PM CDT | Tornado Watch | SPC | Andrews, Bailey, Borden, Castro, Cochran, Crosby and 16 more | 4 hr |
| Jun 3, 1:17 AM CDT | Mesoscale Discussion | SPC | Andrews, Bailey, Borden, Castro, Cochran, Coke and 32 more | 58 min |
| Jun 3, 2:23 AM CDT | Mesoscale Discussion | SPC | Archer, Armstrong, Baylor, Childress, Clay, Collingsworth and 11 more | 67 min |
| Jun 3, 2:58 AM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Clay, Foard, Hardeman, Knox and 2 more | 5 hr |
| Jun 3, 3:01 AM CDT | Mesoscale Discussion | SPC | Coke, Crane, Crockett, Ector, Glasscock, Irion and 7 more | 89 min |
| Jun 3, 3:38 AM CDT | Mesoscale Discussion | SPC | Borden, Crosby, Dawson, Dickens, Gaines, Garza and 6 more | 67 min |
| Jun 3, 5:32 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Wichita | 58 min |
| Jun 3, 7:04 AM CDT | Mesoscale Discussion | SPC | Clay, Collin, Cooke, Dallas, Delta, Denton and 19 more | 56 min |
| Jun 3, 8:37 AM CDT | Severe Thunderstorm Watch | SPC | Anderson, Angelina, Bosque, Cherokee, Ellis, Falls and 31 more | 5 hr |
| Jun 3, 11:47 AM CDT | Mesoscale Discussion | SPC | Angelina, Jasper, Nacogdoches, Newton, Panola, Polk and 6 more | 58 min |
| Jun 3, 12:22 PM CDT | Severe Thunderstorm Watch | SPC | Hardin, Jasper, Newton, Orange, Tyler | 6 hr |
| Jun 3, 12:42 PM CDT | Mesoscale Discussion | SPC | Andrews, Crane, Culberson, Ector, Gaines, Glasscock and 9 more | 93 min |
| Jun 3, 1:28 PM CDT | Tornado Watch | SPC | Andrews, Brewster, Crane, Culberson, Ector, Gaines and 14 more | 9 hr |
| Jun 3, 1:42 PM CDT | Mesoscale Discussion | SPC | Dallam, Deaf Smith, Hartley, Oldham | 93 min |
| Jun 3, 2:43 PM CDT | Severe Thunderstorm Watch | SPC | Dallam, Deaf Smith, Hartley, Moore, Oldham, Potter and 2 more | 7 hr |
| Jun 3, 3:29 PM CDT | Mesoscale Discussion | SPC | Brown, Coke, Coleman, Concho, Irion, McCulloch and 10 more | 31 min |
| Jun 3, 3:44 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Coke, Coleman, Concho, Crockett, Irion and 10 more | 6 hr |
| Jun 3, 3:55 PM CDT | Mesoscale Discussion | SPC | Bell, Brazos, Coryell, Falls, Grimes, Lampasas and 10 more | 95 min |
| Jun 3, 3:59 PM CDT | Mesoscale Discussion | SPC | Bailey, Borden, Cochran, Crosby, Dickens, Floyd and 12 more | 91 min |
| Jun 3, 5:09 PM CDT | Mesoscale Discussion | SPC | Andrews, Brewster, Crane, Culberson, Ector, Gaines and 14 more | 66 min |
| Jun 3, 5:48 PM CDT | Mesoscale Discussion | SPC | Jefferson, Orange, Sabine, San Augustine | 87 min |
| Jun 3, 5:51 PM CDT | Mesoscale Discussion | SPC | Brown, Coke, Coleman, Concho, Crockett, Irion and 10 more | 54 min |
| Jun 3, 6:47 PM CDT | Mesoscale Discussion | SPC | Bailey, Castro, Cochran, Dallam, Deaf Smith, Hale and 10 more | 58 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.