Alert archive / Texas / Tornado Watches in 2010
Tornado Watch 706
The Storm Prediction Center issued this tornado watch at Oct 23, 2010, 5:12 PM CDT for 15 counties in Texas. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 23, 2010, 5:12 PM CDT (22:12 UTC)
- Expired
- Oct 23, 2010, 8:58 PM CDT
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Bowie County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Franklin County, TX, Gregg County, TX, Harrison County, TX, Marion County, TX, Morris County, TX, Red River County, TX, Rusk County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Wood County, TX
The radar
The Shreveport radar (KSHV), 135 km from the middle of the area, began a volume at 22:15 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
- 20%
- Ten or more severe wind reports
- 20%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 10%
- Six or more combined severe hail and wind reports
- 50%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 5:20 PM CDT | Tornado Warning | SHV | Titus | 25 min |
| Oct 23, 5:24 PM CDT | Severe Thunderstorm Warning | SHV | Wood | 51 min |
| Oct 23, 5:43 PM CDT | Tornado Warning | SHV | Bowie, Morris, Red River, Titus | 32 min |
| Oct 23, 5:48 PM CDT | Severe Thunderstorm Warning | SHV | Smith, Wood | 57 min |
| Oct 23, 6:02 PM CDT | Tornado Warning | SHV | Smith | 43 min |
| Oct 23, 6:17 PM CDT | Severe Thunderstorm Warning | SHV | Bowie | 43 min |
| Oct 23, 6:32 PM CDT | Tornado Warning | SHV | Gregg, Harrison, Smith, Upshur | 43 min |
| Oct 23, 6:37 PM CDT | Severe Thunderstorm Warning | SHV | Gregg, Harrison, Panola, Rusk | 38 min |
| Oct 23, 6:40 PM CDT | Severe Thunderstorm Warning | SHV | Cherokee, Nacogdoches, Rusk, Smith | 50 min |
| Oct 23, 7:26 PM CDT | Severe Thunderstorm Warning | SHV | Cass, Harrison, Marion | 49 min |
| Oct 23, 7:30 PM CDT | Severe Thunderstorm Warning | SHV | Panola, Rusk | 45 min |
| Oct 23, 7:32 PM CDT | Tornado Warning | SHV | Cass, Marion | 28 min |
| Oct 23, 7:43 PM CDT | Severe Thunderstorm Warning | SHV | Bowie, Cass | 47 min |
| Oct 23, 8:13 PM CDT | Severe Thunderstorm Warning | SHV | Harrison, Panola, Rusk | 50 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
Shreveport, LA (KSHV), launched 12:00Z, 10.2 hours before the alert went out and 142 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1457 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 23, 9:28 AM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Madison, Sebastian, Washington | 92 min |
| Oct 22, 7:32 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Cooke, Denton, Grayson and 13 more | 118 min |
| Oct 23, 2:54 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Callahan, Coke, Coleman and 32 more | 3 hr |
| Oct 23, 5:21 AM CDT | Severe Thunderstorm Watch | SPC | Archer, Baylor, Brown, Callahan, Clay, Coke and 40 more | 8 hr |
| Oct 23, 7:29 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Callahan, Clay, Coke and 42 more | 91 min |
| Oct 23, 11:42 AM CDT | Mesoscale Discussion | SPC | Bell, Blanco, Bosque, Burnet, Camp, Collin and 43 more | 63 min |
| Oct 23, 12:05 PM CDT | Tornado Watch | SPC | Anderson, Bell, Bosque, Brown, Burnet, Collin and 44 more | 8 hr |
| Oct 23, 3:09 PM CDT | Mesoscale Discussion | SPC | Ellis, Falls, Freestone, Kaufman, Limestone, McLennan and 3 more | 2 hr |
Nearby
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.