Alert archive / Texas / Tornado Watches in 2015
Tornado Watch 100
The Storm Prediction Center issued this tornado watch at Apr 24, 2015, 2:10 PM CDT for 58 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 24, 2015, 2:10 PM CDT (19:10 UTC)
- Expired
- Apr 24, 2015, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3 in
- Strongest gust expected
- 65 kt
All 58 counties
Anderson County, TX, Bell County, TX, Bosque County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Collin County, TX, Comanche County, TX, Concho 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, Fisher County, TX, Freestone County, TX, Hamilton County, TX, Haskell County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Irion County, TX, Jack County, TX, Johnson County, TX, Jones County, TX, Kaufman County, TX, Lampasas County, TX, Limestone County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Navarro County, TX, Nolan 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, Sterling 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 Dyess AFB radar (KDYX), 54 km from the middle of the area, began a volume at 19:12 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
- 60%
- One or more EF2 to EF5 tornadoes
- 40%
- Ten or more severe wind reports
- 50%
- One or more gusts of 65 knots or more
- 30%
- 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
26 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 2:31 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Nolan, Runnels | 44 min |
| Apr 24, 2:59 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Runnels, Taylor | 46 min |
| Apr 24, 3:15 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Runnels | 45 min |
| Apr 24, 3:30 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman, Runnels, Taylor | 45 min |
| Apr 24, 3:36 PM CDT | Tornado Warning | SJT | Callahan, Coleman, Runnels, Taylor | 24 min |
| Apr 24, 3:45 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 30 min |
| Apr 24, 3:56 PM CDT | Tornado Warning | SJT | Brown, Callahan, Coleman | 49 min |
| Apr 24, 4:00 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Tom Green | 45 min |
| Apr 24, 4:09 PM CDT | Severe Thunderstorm Warning | SJT | Brown, Callahan, Coleman | 51 min |
| Apr 24, 4:25 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Concho, Runnels, Tom Green | 50 min |
| Apr 24, 4:27 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Eastland | 63 min |
| Apr 24, 4:50 PM CDT | Tornado Warning | FWD | Comanche, Eastland | 25 min |
| Apr 24, 5:03 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 57 min |
| Apr 24, 5:05 PM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman | 40 min |
| Apr 24, 5:37 PM CDT | Severe Thunderstorm Warning | FWD | Erath, Hood, Somervell | 53 min |
| Apr 24, 6:03 PM CDT | Severe Thunderstorm Warning | FWD | Johnson, Parker, Tarrant | 57 min |
| Apr 24, 6:09 PM CDT | Flash Flood Warning | FWD | Denton | 2 hr |
| Apr 24, 6:28 PM CDT | Tornado Warning | FWD | Tarrant | 19 min |
| Apr 24, 6:38 PM CDT | Severe Thunderstorm Warning | FWD | Dallas, Ellis | 67 min |
| Apr 24, 6:43 PM CDT | Tornado Warning | FWD | Ellis, Johnson | 32 min |
| Apr 24, 7:17 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman, Van Zandt | 58 min |
| Apr 24, 7:17 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch, Mason, Menard, San Saba | 43 min |
| Apr 24, 7:51 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins, Rains | 54 min |
| Apr 24, 8:13 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 47 min |
| Apr 24, 8:57 PM CDT | Severe Thunderstorm Warning | FWD | Freestone, Limestone, Navarro | 49 min |
| Apr 24, 9:38 PM CDT | Severe Thunderstorm Warning | FWD | Anderson, Henderson | 37 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, 7.2 hours before the alert went out and 172 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
- 1508 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 506 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 309 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 4.6
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 9:34 PM CDT | Mesoscale Discussion | SPC | Bandera, Dimmit, Edwards, Frio, Jim Hogg, Kinney and 10 more | 56 min |
| Apr 24, 2:36 AM CDT | Mesoscale Discussion | SPC | Dimmit, La Salle, McMullen, Webb, Zavala | 84 min |
| Apr 24, 3:01 AM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Dimmit, Frio, La Salle, Live Oak, McMullen and 5 more | 4 hr |
| Apr 24, 5:41 AM CDT | Mesoscale Discussion | SPC | Atascosa, Bandera, Dimmit, Duval, Edwards, Frio and 10 more | 94 min |
| Apr 24, 10:29 AM CDT | Mesoscale Discussion | SPC | Hardin, Jasper, Liberty, Newton, Orange, Tyler | 91 min |
| Apr 24, 11:12 AM CDT | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coke, Coleman, Collin and 43 more | 2 hr |
| Apr 24, 11:53 AM CDT | Mesoscale Discussion | SPC | Hardin, Jefferson, Newton, Orange | 97 min |
| Apr 24, 12:18 PM CDT | Tornado Watch | SPC | Jasper, Newton, Orange | 5 hr |
| Apr 24, 12:56 PM CDT | Mesoscale Discussion | SPC | Childress, Collingsworth, Cottle, Crosby, Dickens, Foard and 3 more | 94 min |
| Apr 24, 3:58 PM CDT | Mesoscale Discussion | SPC | Angelina, Camp, Cass, Cherokee, Gregg, Harrison and 16 more | 92 min |
| Apr 24, 4:45 PM CDT | Tornado Watch | SPC | Angelina, Bowie, Camp, Cass, Cherokee, Franklin and 20 more | 5 hr |
| Apr 24, 4:56 PM CDT | Mesoscale Discussion | SPC | Atascosa, Dimmit, Duval, Frio, Jim Hogg, Kinney and 9 more | 94 min |
| Apr 24, 6:01 PM CDT | Mesoscale Discussion | SPC | Dallas, Ellis, Erath, Hood, Johnson, Kaufman and 3 more | 59 min |
| Apr 24, 6:53 PM CDT | Severe Thunderstorm Watch | SPC | Atascosa, Bee, Brooks, Cameron, DeWitt, Dimmit and 19 more | 6 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.