Alert archive / Texas / Severe Thunderstorm Watches in 2013
Severe Thunderstorm Watch 28
The Storm Prediction Center issued this severe thunderstorm watch at Feb 9, 2013, 11:37 PM CST for 58 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 9, 2013, 11:37 PM CST (05:37 UTC)
- Expired
- Feb 10, 2013, 6:00 AM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 58 counties
Bell County, TX, Bosque County, TX, Brown County, TX, Callahan County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Falls County, TX, Fannin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Kimble County, TX, Lamar County, TX, Lampasas County, TX, Limestone County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Shackelford County, TX, Somervell County, TX, Stephens County, TX, Sutton County, TX, Tarrant County, TX, Taylor County, TX, Throckmorton County, TX, Tom Green County, TX, Van Zandt County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 65 km from the middle of the area, began a volume at 05:39 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
- 10%
- One or more EF2 to EF5 tornadoes
- 5%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
28 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 12:12 AM CST | Severe Thunderstorm Warning | FWD | Eastland, Stephens | 48 min |
| Feb 10, 12:19 AM CST | Severe Thunderstorm Warning | SJT | Concho, Menard, Schleicher, Tom Green | 41 min |
| Feb 10, 12:23 AM CST | Severe Thunderstorm Warning | SJT | Concho, Menard, Schleicher, Tom Green | 52 min |
| Feb 10, 12:30 AM CST | Severe Thunderstorm Warning | FWD | Comanche, Eastland | 45 min |
| Feb 10, 12:33 AM CST | Severe Thunderstorm Warning | SJT | Brown, Coleman | 27 min |
| Feb 10, 12:40 AM CST | Severe Thunderstorm Warning | FWD | Palo Pinto | 65 min |
| Feb 10, 12:42 AM CST | Severe Thunderstorm Warning | SJT | Concho, Menard, Schleicher, Tom Green | 48 min |
| Feb 10, 12:48 AM CST | Severe Thunderstorm Warning | SJT | Coleman, Concho, McCulloch | 42 min |
| Feb 10, 1:13 AM CST | Severe Thunderstorm Warning | FWD | Comanche, Eastland, Erath | 62 min |
| Feb 10, 1:20 AM CST | Severe Thunderstorm Warning | SJT | Brown, Coleman | 40 min |
| Feb 10, 1:24 AM CST | Severe Thunderstorm Warning | FWD | Parker | 66 min |
| Feb 10, 1:56 AM CST | Severe Thunderstorm Warning | FWD | Erath, Hood, Somervell | 64 min |
| Feb 10, 2:03 AM CST | Severe Thunderstorm Warning | FWD | Tarrant | 57 min |
| Feb 10, 2:10 AM CST | Severe Thunderstorm Warning | FWD | Comanche, Hamilton, Mills | 65 min |
| Feb 10, 2:27 AM CST | Severe Thunderstorm Warning | FWD | Johnson | 63 min |
| Feb 10, 2:30 AM CST | Severe Thunderstorm Warning | FWD | Denton | 45 min |
| Feb 10, 2:42 AM CST | Severe Thunderstorm Warning | FWD | Collin, Grayson | 63 min |
| Feb 10, 2:46 AM CST | Severe Thunderstorm Warning | FWD | Bell | 59 min |
| Feb 10, 2:51 AM CST | Severe Thunderstorm Warning | FWD | Falls, McLennan | 54 min |
| Feb 10, 2:54 AM CST | Severe Thunderstorm Warning | FWD | Dallas, Tarrant | 66 min |
| Feb 10, 3:26 AM CST | Severe Thunderstorm Warning | FWD | Rockwall | 34 min |
| Feb 10, 3:37 AM CST | Severe Thunderstorm Warning | FWD | Hunt | 53 min |
| Feb 10, 3:43 AM CST | Severe Thunderstorm Warning | FWD | Falls | 62 min |
| Feb 10, 3:47 AM CST | Severe Thunderstorm Warning | FWD | Kaufman | 58 min |
| Feb 10, 3:55 AM CST | Severe Thunderstorm Warning | FWD | Bell, Milam | 50 min |
| Feb 10, 4:26 AM CST | Severe Thunderstorm Warning | FWD | Limestone | 64 min |
| Feb 10, 4:38 AM CST | Severe Thunderstorm Warning | FWD | Falls, Milam | 67 min |
| Feb 10, 5:41 AM CST | Tornado Warning | FWD | Freestone, Leon, Limestone | 49 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, 5.6 hours before the alert went out and 67 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
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 459 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 728 m²/s²
- 0-3 km storm-relative helicity
- 777 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 |
|---|---|---|---|---|
| Feb 9, 11:12 PM CST | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coleman, Comanche, Concho and 21 more | 2 hr |
| Feb 10, 12:41 AM CST | Mesoscale Discussion | SPC | Bandera, Bastrop, Bexar, Blanco, Burnet, Caldwell and 11 more | 94 min |
| Feb 10, 1:33 AM CST | Tornado Watch | SPC | Anderson, Bandera, Bastrop, Bell, Blanco, Brazos and 22 more | 6 hr |
| Feb 10, 2:39 AM CST | Mesoscale Discussion | SPC | Bosque, Camp, Cherokee, Collin, Coryell, Dallas and 33 more | 2 hr |
| Feb 10, 4:18 AM CST | Severe Thunderstorm Watch | SPC | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 15 more | 5 hr |
| Feb 10, 5:12 AM CST | Mesoscale Discussion | SPC | Anderson, Angelina, Brazos, Burleson, Cherokee, Falls and 18 more | 93 min |
| Feb 10, 6:20 AM CST | Mesoscale Discussion | SPC | Angelina, Jasper, Nacogdoches, Newton, Panola, Polk and 7 more | 85 min |
| Feb 10, 6:58 AM CST | Tornado Watch | SPC | Angelina, Cherokee, Grimes, Houston, Jasper, Madison and 12 more | 7 hr |
| Feb 10, 10:19 AM CST | Mesoscale Discussion | SPC | Jasper, Newton, Sabine | 86 min |
Nearby
Severe Thunderstorm Watches in Texas, 2013Every severe thunderstorm watch in 2013
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.