Alert archive / Texas / Severe Thunderstorm Watches in 2020
Severe Thunderstorm Watch 199
The Storm Prediction Center issued this severe thunderstorm watch at May 21, 2020, 5:47 PM CDT for 27 counties in Texas. It was in force for 8 hr.
The area
The outline as issued.
The facts
- Issued
- May 21, 2020, 5:47 PM CDT (22:47 UTC)
- Expired
- May 22, 2020, 2:00 AM CDT
- In force
- 8 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 27 counties
Callahan County, TX, Childress County, TX, Coke County, TX, Coleman County, TX, Concho County, TX, Cottle County, TX, Dickens County, TX, Fisher County, TX, Hall County, TX, Haskell County, TX, Irion County, TX, Jones County, TX, Kent County, TX, King County, TX, McCulloch County, TX, Menard County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Runnels County, TX, Schleicher County, TX, Scurry County, TX, Shackelford County, TX, Sterling County, TX, Stonewall County, TX, Taylor County, TX, Tom Green County, TX
The radar
The Dyess AFB radar (KDYX), 133 km from the middle of the area, began a volume at 22:50 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
- 5%
- One or more EF2 to EF5 tornadoes
- 2%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 70%
Warnings issued inside it
19 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:02 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Runnels, Tom Green | 43 min |
| May 21, 7:15 PM CDT | Severe Thunderstorm Warning | LUB | Stonewall | 45 min |
| May 21, 7:35 PM CDT | Flash Flood Warning | SJT | Tom Green | 3 hr |
| May 21, 7:37 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 68 min |
| May 21, 7:38 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 52 min |
| May 21, 7:42 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 48 min |
| May 21, 7:55 PM CDT | Severe Thunderstorm Warning | LUB | King, Stonewall | 39 min |
| May 21, 8:28 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones, Nolan, Taylor | 47 min |
| May 21, 8:34 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Coleman, Runnels, Taylor | 41 min |
| May 21, 8:38 PM CDT | Severe Thunderstorm Warning | SJT | Coke, Concho, Runnels, Tom Green | 67 min |
| May 21, 9:44 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Tom Green | 61 min |
| May 21, 9:49 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Shackelford, Throckmorton | 41 min |
| May 21, 9:52 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Taylor | 53 min |
| May 21, 10:11 PM CDT | Flash Flood Warning | SJT | Concho, Tom Green | 3 hr |
| May 21, 10:26 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 64 min |
| May 21, 10:33 PM CDT | Severe Thunderstorm Warning | SJT | Callahan, Jones, Shackelford, Taylor | 57 min |
| May 21, 10:36 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch, San Saba | 54 min |
| May 21, 10:44 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Tom Green | 61 min |
| May 21, 11:27 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch, San Saba | 63 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 7:12 PM CDT | Mesoscale Discussion | SPC | Borden, Coke, Crockett, Crosby, Dawson, Dickens and 18 more | 2 hr |
| May 20, 9:17 PM CDT | Mesoscale Discussion | SPC | Armstrong, Borden, Briscoe, Castro, Coke, Concho and 32 more | 118 min |
| May 21, 5:13 PM CDT | Mesoscale Discussion | SPC | Borden, Callahan, Coke, Concho, Cottle, Crosby and 23 more | 92 min |
Nearby
Severe Thunderstorm Watches in Texas, 2020Every severe thunderstorm watch in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.