Alert archive / Texas / Severe Thunderstorm Watches in 2009
Severe Thunderstorm Watch 352
The Storm Prediction Center issued this severe thunderstorm watch at Jun 8, 2009, 3:45 PM CDT for 6 counties in Oklahoma; 33 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 2009, 3:45 PM CDT (20:45 UTC)
- Expired
- Jun 8, 2009, 11:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 60 kt
All 39 counties
Comanche County, OK, Cotton County, OK, Jackson County, OK, Jefferson County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Borden County, TX, Callahan County, TX, Clay County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Eastland County, TX, Fisher County, TX, Foard County, TX, Garza County, TX, Hardeman County, TX, Haskell County, TX, Howard County, TX, Jack County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Mitchell County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Scurry County, TX, Shackelford County, TX, Stephens County, TX, Stonewall County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Young County, TX
The radar
The Dyess AFB radar (KDYX), 131 km from the middle of the area, began a volume at 20:45 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
- 50%
- One or more gusts of 65 knots or more
- 40%
- Ten or more severe hail reports
- 70%
- One or more hailstones of 2 inches or more
- 60%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
37 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 4:12 PM CDT | Severe Thunderstorm Warning | LUB | Garza, Kent | 48 min |
| Jun 8, 4:34 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 56 min |
| Jun 8, 4:42 PM CDT | Severe Thunderstorm Warning | LUB | Dickens, Kent, King, Stonewall | 63 min |
| Jun 8, 4:44 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 46 min |
| Jun 8, 5:00 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 60 min |
| Jun 8, 5:14 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 46 min |
| Jun 8, 5:20 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 15 min |
| Jun 8, 5:24 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 25 min |
| Jun 8, 5:29 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 31 min |
| Jun 8, 5:37 PM CDT | Severe Thunderstorm Warning | OUN | Baylor, Knox | 53 min |
| Jun 8, 5:41 PM CDT | Severe Thunderstorm Warning | LUB | Kent, Stonewall | 64 min |
| Jun 8, 5:42 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 33 min |
| Jun 8, 5:56 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 64 min |
| Jun 8, 5:58 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 32 min |
| Jun 8, 6:02 PM CDT | Severe Thunderstorm Warning | LUB | Garza, Kent | 43 min |
| Jun 8, 6:02 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 28 min |
| Jun 8, 6:27 PM CDT | Tornado Warning | SJT | Fisher, Jones | 33 min |
| Jun 8, 6:39 PM CDT | Severe Thunderstorm Warning | LUB | Stonewall | 36 min |
| Jun 8, 6:42 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Howard | 63 min |
| Jun 8, 6:54 PM CDT | Severe Thunderstorm Warning | MAF | Howard | 47 min |
| Jun 8, 6:56 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 64 min |
| Jun 8, 6:58 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor | 35 min |
| Jun 8, 7:10 PM CDT | Severe Thunderstorm Warning | LUB | Garza, Kent, Stonewall | 65 min |
| Jun 8, 7:10 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor, Wichita, Wilbarger | 31 min |
| Jun 8, 7:21 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Howard, Mitchell, Scurry | 24 min |
| Jun 8, 7:38 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 22 min |
| Jun 8, 7:39 PM CDT | Severe Thunderstorm Warning | MAF | Scurry | 46 min |
| Jun 8, 7:48 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 42 min |
| Jun 8, 8:02 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 28 min |
| Jun 8, 8:13 PM CDT | Tornado Warning | SJT | Jones | 17 min |
| Jun 8, 8:16 PM CDT | Flash Flood Warning | SJT | Fisher, Jones | 3 hr |
| Jun 8, 8:33 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 27 min |
| Jun 8, 8:37 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 23 min |
| Jun 8, 8:40 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 12 min |
| Jun 8, 9:02 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 43 min |
| Jun 8, 9:26 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Taylor | 49 min |
| Jun 8, 9:51 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman, Jones, Runnels, Shackelford, Taylor | 39 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, 8.8 hours before the alert went out and 260 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
- 1292 J/kg
- Mixed-layer CIN
- -258 J/kg
- Mixed-layer LCL
- 1882 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:08 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Woods | 67 min |
| Jun 8, 3:25 AM CDT | Mesoscale Discussion | SPC | Nowata, Osage, Pawnee, Payne, Washington | 65 min |
| Jun 8, 3:18 PM CDT | Mesoscale Discussion | SPC | Carter, Cotton, Jefferson, Stephens, Tillman | 57 min |
Nearby
Severe Thunderstorm Watches in Texas, 2009Severe Thunderstorm Watches in Oklahoma, 2009Every severe thunderstorm watch in 2009
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.