Alert archive / Texas / Severe Thunderstorm Watches in 2020
Severe Thunderstorm Watch 129
The Storm Prediction Center issued this severe thunderstorm watch at Apr 21, 2020, 3:11 PM CDT for Beaver County, Cimarron County, Texas County, Oklahoma; 13 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 21, 2020, 3:11 PM CDT (20:11 UTC)
- Expired
- Apr 21, 2020, 9:27 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 60 kt
Counties Beaver County, OK, Cimarron County, OK, Texas County, OK, Carson County, TX, Dallam County, TX, Gray County, TX, Hansford County, TX, Hartley County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX
The radar
The Amarillo radar (KAMA), 127 km from the middle of the area, began a volume at 20:13 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
- 40%
- One or more gusts of 65 knots or more
- 20%
- 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 4:29 PM CDT | Severe Thunderstorm Warning | AMA | Dallam | 61 min |
| Apr 21, 4:51 PM CDT | Severe Thunderstorm Warning | AMA | Hansford, Hutchinson, Roberts | 54 min |
| Apr 21, 6:15 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Roberts | 60 min |
| Apr 21, 7:06 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Roberts | 54 min |
| Apr 21, 7:11 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill | 49 min |
| Apr 21, 7:54 PM CDT | Severe Thunderstorm Warning | AMA | Hemphill, Roberts, Wheeler | 66 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 |
|---|---|---|---|---|
| Apr 21, 2:17 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 58 min |
| Apr 21, 5:27 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Cimarron, Ellis, Greer, Harmon and 2 more | 93 min |
| Apr 21, 6:17 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 13 more | 58 min |
| Apr 21, 6:50 PM CDT | Severe Thunderstorm Watch | SPC | Beckham, Blaine, Caddo, Canadian, Carter, Cleveland and 23 more | 7 hr |
| Apr 21, 6:25 PM CDT | Mesoscale Discussion | SPC | Brown, Callahan, Coleman, Concho, Eastland, Fisher and 5 more | 95 min |
Nearby
Severe Thunderstorm Watches in Texas, 2020Severe Thunderstorm Watches in Oklahoma, 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.