Alert archive / Texas / Severe Thunderstorm Watches in 2015
Severe Thunderstorm Watch 152
The Storm Prediction Center issued this severe thunderstorm watch at May 9, 2015, 10:51 PM CDT for 39 counties in Texas. It was in force for 10 hr.
The area
The outline as issued.
The facts
- Issued
- May 9, 2015, 10:51 PM CDT (03:51 UTC)
- Expired
- May 10, 2015, 9:00 AM CDT
- In force
- 10 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 39 counties
Bosque County, TX, Brown County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Comanche County, TX, Concho County, TX, Crockett County, TX, Dallas County, TX, Eastland County, TX, Ellis County, TX, Erath County, TX, Glasscock County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Irion County, TX, Johnson County, TX, Kimble County, TX, Mason County, TX, McCulloch County, TX, Menard County, TX, Mills County, TX, Palo Pinto County, TX, Parker County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Somervell County, TX, Stephens County, TX, Sterling County, TX, Sutton County, TX, Tarrant County, TX, Taylor County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX
The radar
The San Angelo radar (KSJT), 19 km from the middle of the area, began a volume at 03:52 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
- 2%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 30%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 60%
Warnings issued inside it
36 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 11:29 PM CDT | Severe Thunderstorm Warning | FWD | Erath | 61 min |
| May 9, 11:42 PM CDT | Severe Thunderstorm Warning | FWD | Hood, Johnson, Somervell | 63 min |
| May 9, 11:49 PM CDT | Severe Thunderstorm Warning | SJT | Irion, Sterling, Tom Green | 41 min |
| May 9, 11:52 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Pecos, Upton | 53 min |
| May 9, 11:54 PM CDT | Flash Flood Warning | FWD | Eastland, Erath, Hood | 5 hr |
| May 10, 12:00 AM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Reagan, Upton | 60 min |
| May 10, 12:13 AM CDT | Severe Thunderstorm Warning | SJT | Crockett | 62 min |
| May 10, 12:34 AM CDT | Tornado Warning | MAF | Pecos | 26 min |
| May 10, 12:40 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Runnels, Sterling, Tom Green | 65 min |
| May 10, 12:41 AM CDT | Severe Thunderstorm Warning | MAF | Pecos, Terrell | 64 min |
| May 10, 12:44 AM CDT | Severe Thunderstorm Warning | FWD | Johnson | 28 min |
| May 10, 12:50 AM CDT | Severe Thunderstorm Warning | FWD | Eastland, Erath, Palo Pinto | 55 min |
| May 10, 12:54 AM CDT | Tornado Warning | MAF | Reagan | 36 min |
| May 10, 12:55 AM CDT | Flash Flood Warning | FWD | Johnson | 3 hr |
| May 10, 12:57 AM CDT | Severe Thunderstorm Warning | MAF | Pecos | 48 min |
| May 10, 1:02 AM CDT | Severe Thunderstorm Warning | MAF | Reagan, Upton | 58 min |
| May 10, 1:45 AM CDT | Severe Thunderstorm Warning | SJT | Coke, Runnels, Taylor | 60 min |
| May 10, 1:50 AM CDT | Severe Thunderstorm Warning | SJT | Crockett, Irion, Runnels, Schleicher, Tom Green | 55 min |
| May 10, 2:27 AM CDT | Severe Thunderstorm Warning | SJT | Concho, Menard, Runnels, Schleicher, Tom Green | 48 min |
| May 10, 2:45 AM CDT | Tornado Warning | SJT | Taylor | 30 min |
| May 10, 2:53 AM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman, Concho, McCulloch | 67 min |
| May 10, 3:07 AM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 68 min |
| May 10, 3:08 AM CDT | Severe Thunderstorm Warning | SJT | Callahan, Shackelford | 67 min |
| May 10, 3:39 AM CDT | Severe Thunderstorm Warning | FWD | Comanche, Eastland | 66 min |
| May 10, 3:47 AM CDT | Severe Thunderstorm Warning | SJT | Callahan, Jones, Shackelford, Taylor | 46 min |
| May 10, 3:54 AM CDT | Severe Thunderstorm Warning | SJT | Brown, Coleman | 38 min |
| May 10, 4:14 AM CDT | Severe Thunderstorm Warning | FWD | Stephens | 61 min |
| May 10, 4:32 AM CDT | Severe Thunderstorm Warning | FWD | Erath, Palo Pinto | 73 min |
| May 10, 4:44 AM CDT | Severe Thunderstorm Warning | FWD | Comanche, Eastland | 23 min |
| May 10, 5:06 AM CDT | Flash Flood Warning | FWD | Eastland, Erath, Hood | 4 hr |
| May 10, 5:15 AM CDT | Severe Thunderstorm Warning | FWD | Hood, Parker, Somervell | 62 min |
| May 10, 5:26 AM CDT | Severe Thunderstorm Warning | SJT | Concho, Menard, Schleicher | 64 min |
| May 10, 5:57 AM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 48 min |
| May 10, 7:37 AM CDT | Severe Thunderstorm Warning | FWD | Hill | 53 min |
| May 10, 8:02 AM CDT | Flash Flood Warning | FWD | Collin, Dallas, Ellis, Fannin, Grayson | 3 hr |
| May 10, 8:57 AM CDT | Severe Thunderstorm Warning | FWD | Collin, Dallas, Ellis, Hunt, Kaufman, Rockwall | 48 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 00:00Z, 3.9 hours before the alert went out and 193 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
- 3886 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 44 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 |
|---|---|---|---|---|
| May 9, 7:49 PM CDT | Mesoscale Discussion | SPC | Collin, Cooke, Dallas, Delta, Denton, Eastland and 17 more | 56 min |
| May 9, 8:06 PM CDT | Mesoscale Discussion | SPC | Dimmit, Frio, Kinney, La Salle, Maverick, Uvalde and 2 more | 84 min |
| May 9, 9:38 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coke, Coleman, Comanche, Concho and 12 more | 2 hr |
| May 10, 2:06 AM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coleman, Concho, Crockett, Irion and 6 more | 54 min |
| May 10, 2:55 AM CDT | Severe Thunderstorm Watch | SPC | Bosque, Collin, Comanche, Coryell, Dallas, Denton and 22 more | 6 hr |
| May 10, 4:20 AM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Brown, Clay, Collin, Comanche and 28 more | 55 min |
| May 10, 6:44 AM CDT | Mesoscale Discussion | SPC | Bowie, Camp, Collin, Dallas, Delta, Denton and 15 more | 2 hr |
| May 10, 9:28 AM CDT | Tornado Watch | SPC | Bowie, Red River | 6 hr |
| May 10, 9:49 AM CDT | Mesoscale Discussion | SPC | Bell, Blanco, Bosque, Brown, Burnet, Camp and 49 more | 2 hr |
| May 10, 10:19 AM CDT | Tornado Watch | SPC | Anderson, Bandera, Bell, Blanco, Bosque, Bowie and 68 more | 13 hr |
| May 10, 12:33 PM CDT | Mesoscale Discussion | SPC | Archer, Clay, Montague | 2 hr |
| May 10, 2:42 PM CDT | Mesoscale Discussion | SPC | Bandera, Bell, Blanco, Bosque, Bowie, Brown and 58 more | 2 hr |
| May 10, 6:15 PM CDT | Mesoscale Discussion | SPC | Bell, Bowie, Burnet, Camp, Cass, Collin and 33 more | 90 min |
Nearby
Severe Thunderstorm Watches in Texas, 2015Every severe thunderstorm watch in 2015
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.