Alert archive / Oklahoma / Severe Thunderstorm Watches in 2020
Severe Thunderstorm Watch 253
The Storm Prediction Center issued this severe thunderstorm watch at Jun 4, 2020, 3:45 PM CDT for 28 counties in Oklahoma; 8 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 4, 2020, 3:45 PM CDT (20:45 UTC)
- Expired
- Jun 4, 2020, 11:00 PM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 70 kt
All 36 counties
Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Jefferson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, McClain County, OK, Oklahoma County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Foard County, TX, Hardeman County, TX, Knox County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 136 km from the middle of the area, began a volume at 20:45 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
- 50%
- One or more gusts of 65 knots or more
- 40%
- 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
- 70%
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 3:45 PM CDT | Severe Thunderstorm Warning | OUN | Harper | 33 min |
| Jun 4, 4:47 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woodward | 58 min |
| Jun 4, 5:15 PM CDT | Severe Thunderstorm Warning | OUN | Dewey, Woodward | 45 min |
| Jun 4, 5:27 PM CDT | Severe Thunderstorm Warning | OUN | Custer, Dewey, Ellis, Roger Mills | 48 min |
| Jun 4, 6:06 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Custer, Dewey, Roger Mills, Washita | 54 min |
| Jun 4, 6:49 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Custer, Kiowa, Washita | 71 min |
| Jun 4, 6:54 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Dewey, Kingfisher | 66 min |
| Jun 4, 6:57 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Greer, Harmon | 63 min |
| Jun 4, 7:32 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Knox | 43 min |
| Jun 4, 7:43 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Grady | 32 min |
| Jun 4, 8:00 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Comanche, Greer, Jackson, Kiowa and 2 more | 45 min |
| Jun 4, 8:09 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Cleveland, Grady, McClain, Oklahoma | 51 min |
| Jun 4, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Kiowa, Tillman | 46 min |
| Jun 4, 9:30 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson | 45 min |
| Jun 4, 10:02 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay | 28 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 |
|---|---|---|---|---|
| Jun 4, 12:32 PM CDT | Mesoscale Discussion | SPC | McCurtain | 58 min |
| Jun 4, 1:51 PM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Ellis, Greer, Harmon and 4 more | 54 min |
| Jun 4, 2:44 PM CDT | Severe Thunderstorm Watch | SPC | Beaver, Texas | 7 hr |
| Jun 4, 6:37 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Comanche, Custer and 8 more | 113 min |
| Jun 4, 6:10 PM CDT | Mesoscale Discussion | SPC | Cottle, Crosby, Dickens, Floyd, Foard, Hale and 4 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2020Severe 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.