Alert archive / Texas / Severe Thunderstorm Watches in 2017
Severe Thunderstorm Watch 94
The Storm Prediction Center issued this severe thunderstorm watch at Mar 28, 2017, 1:51 PM CDT for 30 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 28, 2017, 1:51 PM CDT (18:51 UTC)
- Expired
- Mar 28, 2017, 10:00 PM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 3.5 in
- Strongest gust expected
- 60 kt
All 30 counties
Borden County, TX, Callahan County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Crockett County, TX, Edwards County, TX, Fisher County, TX, Glasscock County, TX, Haskell County, TX, Howard County, TX, Irion County, TX, Jones County, TX, Kinney County, TX, Mitchell County, TX, Nolan County, TX, Pecos County, TX, Reagan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Sutton County, TX, Taylor County, TX, Terrell County, TX, Throckmorton County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX
The radar
The San Angelo radar (KSJT), 61 km from the middle of the area, began a volume at 18:54 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
- 10%
- One or more gusts of 65 knots or more
- 10%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 50%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
61 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 2:07 PM CDT | Severe Thunderstorm Warning | MAF | Crane, Pecos, Upton | 53 min |
| Mar 28, 2:11 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 21 min |
| Mar 28, 2:24 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Scurry | 66 min |
| Mar 28, 2:31 PM CDT | Severe Thunderstorm Warning | MAF | Howard, Mitchell | 59 min |
| Mar 28, 2:59 PM CDT | Severe Thunderstorm Warning | MAF | Reagan, Upton | 61 min |
| Mar 28, 3:01 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Nolan, Runnels, Taylor | 44 min |
| Mar 28, 3:27 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 33 min |
| Mar 28, 3:38 PM CDT | Severe Thunderstorm Warning | SJT | Runnels, Taylor | 52 min |
| Mar 28, 3:55 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 65 min |
| Mar 28, 3:56 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Reagan | 34 min |
| Mar 28, 4:02 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 43 min |
| Mar 28, 4:07 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 38 min |
| Mar 28, 4:10 PM CDT | Tornado Warning | SJT | Nolan, Taylor | 35 min |
| Mar 28, 4:30 PM CDT | Tornado Warning | SJT | Fisher, Jones | 30 min |
| Mar 28, 4:35 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock | 25 min |
| Mar 28, 4:38 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 52 min |
| Mar 28, 4:38 PM CDT | Tornado Warning | SJT | Jones, Taylor | 37 min |
| Mar 28, 5:05 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 40 min |
| Mar 28, 5:15 PM CDT | Tornado Warning | SJT | Jones, Shackelford | 30 min |
| Mar 28, 5:38 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 52 min |
| Mar 28, 5:41 PM CDT | Tornado Warning | SJT | Haskell, Jones, Shackelford | 34 min |
| Mar 28, 5:42 PM CDT | Severe Thunderstorm Warning | SJT | Haskell, Jones | 48 min |
| Mar 28, 5:58 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Reagan | 62 min |
| Mar 28, 6:01 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 59 min |
| Mar 28, 6:08 PM CDT | Tornado Warning | SJT | Haskell, Jones | 37 min |
| Mar 28, 6:13 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 47 min |
| Mar 28, 6:35 PM CDT | Tornado Warning | SJT | Haskell | 40 min |
| Mar 28, 6:42 PM CDT | Severe Thunderstorm Warning | MAF | Ector, Glasscock, Martin, Midland, Upton | 33 min |
| Mar 28, 6:52 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Dawson, Howard, Martin | 68 min |
| Mar 28, 6:56 PM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 64 min |
| Mar 28, 7:05 PM CDT | Severe Thunderstorm Warning | MAF | Reagan, Upton | 55 min |
| Mar 28, 7:05 PM CDT | Tornado Warning | MAF | Glasscock, Midland, Reagan, Upton | 25 min |
| Mar 28, 7:16 PM CDT | Severe Thunderstorm Warning | MAF | Howard, Martin, Midland | 29 min |
| Mar 28, 7:25 PM CDT | Severe Thunderstorm Warning | MAF | Borden, Dawson | 50 min |
| Mar 28, 7:29 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Midland | 46 min |
| Mar 28, 7:35 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell | 25 min |
| Mar 28, 7:38 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney | 52 min |
| Mar 28, 7:46 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 44 min |
| Mar 28, 7:47 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock, Howard, Reagan | 43 min |
| Mar 28, 7:52 PM CDT | Severe Thunderstorm Warning | SJT | Kimble, Menard, Sutton | 23 min |
| Mar 28, 8:01 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Sterling, Tom Green | 44 min |
| Mar 28, 8:05 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell | 55 min |
| Mar 28, 8:08 PM CDT | Tornado Warning | SJT | Irion | 22 min |
| Mar 28, 8:14 PM CDT | Tornado Warning | SJT | Sterling | 31 min |
| Mar 28, 8:15 PM CDT | Severe Thunderstorm Warning | MAF | Pecos, Terrell | 45 min |
| Mar 28, 8:22 PM CDT | Severe Thunderstorm Warning | SJT | Crockett, Irion | 23 min |
| Mar 28, 8:24 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 21 min |
| Mar 28, 8:26 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 64 min |
| Mar 28, 8:34 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Irion, Sterling, Tom Green | 41 min |
| Mar 28, 8:42 PM CDT | Severe Thunderstorm Warning | SJT | Crockett, Irion, Schleicher, Sutton, Tom Green | 48 min |
| Mar 28, 8:54 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 66 min |
| Mar 28, 8:54 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 51 min |
| Mar 28, 8:57 PM CDT | Tornado Warning | MAF | Mitchell | 18 min |
| Mar 28, 8:59 PM CDT | Severe Thunderstorm Warning | MAF | Mitchell, Scurry | 31 min |
| Mar 28, 9:06 PM CDT | Tornado Warning | SJT | Nolan | 24 min |
| Mar 28, 9:07 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Concho, Runnels, Tom Green | 38 min |
| Mar 28, 9:16 PM CDT | Tornado Warning | SJT | Nolan | 29 min |
| Mar 28, 9:29 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr, Real | 35 min |
| Mar 28, 9:30 PM CDT | Tornado Warning | SJT | Fisher, Jones, Nolan, Taylor | 30 min |
| Mar 28, 9:41 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 49 min |
| Mar 28, 9:41 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 64 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, 6.9 hours before the alert went out and 116 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
- 1482 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 784 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 125 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 9:30 AM CDT | Mesoscale Discussion | SPC | Armstrong, Briscoe, Carson, Castro, Deaf Smith, Donley and 16 more | 3 hr |
| Mar 28, 12:23 PM CDT | Mesoscale Discussion | SPC | Bailey, Borden, Briscoe, Castro, Cochran, Cottle and 23 more | 67 min |
| Mar 28, 12:51 PM CDT | Severe Thunderstorm Watch | SPC | Armstrong, Briscoe, Carson, Castro, Childress, Collingsworth and 34 more | 8 hr |
| Mar 28, 1:25 PM CDT | Mesoscale Discussion | SPC | Coke, Crane, Crockett, Ector, Glasscock, Howard and 8 more | 95 min |
| Mar 28, 2:44 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Callahan, Clay, Eastland, Fisher and 19 more | 3 hr |
| Mar 28, 2:44 PM CDT | Mesoscale Discussion | SPC | Armstrong, Baylor, Briscoe, Carson, Childress, Collingsworth and 21 more | 2 hr |
| Mar 28, 3:40 PM CDT | Tornado Watch | SPC | Archer, Baylor, Brown, Callahan, Childress, Clay and 33 more | 7 hr |
| Mar 28, 5:31 PM CDT | Mesoscale Discussion | SPC | Archer, Baylor, Clay, Jack, Montague, Palo Pinto and 7 more | 89 min |
| Mar 28, 6:04 PM CDT | Mesoscale Discussion | SPC | Bandera, Burnet, Edwards, Gillespie, Kerr, Kimble and 7 more | 116 min |
| Mar 28, 6:30 PM CDT | Mesoscale Discussion | SPC | Coke, Crockett, Glasscock, Howard, Irion, Mitchell and 4 more | 90 min |
Nearby
Severe Thunderstorm Watches in Texas, 2017Every severe thunderstorm watch in 2017
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.