Alert archive / Oklahoma / Severe Thunderstorm Watches in 2018
Severe Thunderstorm Watch 201
The Storm Prediction Center issued this severe thunderstorm watch at Jun 22, 2018, 6:22 PM CDT for 13 counties in Kansas; 21 counties in Oklahoma. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 22, 2018, 6:22 PM CDT (23:22 UTC)
- Expired
- Jun 23, 2018, 1:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 65 kt
All 34 counties
Barton County, KS, Ellsworth County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Lincoln County, KS, McPherson County, KS, Reno County, KS, Rice County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Sumner County, KS, Alfalfa County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Kingfisher County, OK, Kiowa County, OK, Major County, OK, Roger Mills County, OK, Washita County, OK, Woods County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 74 km from the middle of the area, began a volume at 23:24 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
- 80%
- One or more gusts of 65 knots or more
- 60%
- Ten or more severe hail reports
- 20%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
14 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 22, 7:37 PM CDT | Severe Thunderstorm Warning | OUN | Ellis, Harper, Woods, Woodward | 38 min |
| Jun 22, 8:12 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Dewey, Ellis, Harper, Major, Roger Mills and 2 more | 48 min |
| Jun 22, 8:21 PM CDT | Severe Thunderstorm Warning | ICT | Harper, Kingman | 69 min |
| Jun 22, 8:56 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Blaine, Dewey, Garfield, Grant, Major and 2 more | 49 min |
| Jun 22, 9:11 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Blaine, Custer, Dewey, Ellis, Major and 3 more | 49 min |
| Jun 22, 9:39 PM CDT | Severe Thunderstorm Warning | OUN | Alfalfa, Blaine, Dewey, Garfield, Grant, Kay and 5 more | 51 min |
| Jun 22, 9:53 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Blaine, Caddo, Canadian, Custer, Dewey and 5 more | 52 min |
| Jun 22, 10:23 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Cleveland, Garfield, Grady and 8 more | 52 min |
| Jun 22, 10:42 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Caddo, Comanche, Custer, Greer, Kiowa and 2 more | 48 min |
| Jun 22, 10:44 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Roger Mills | 46 min |
| Jun 22, 11:06 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Cleveland, Garvin, Grady, Kingfisher and 7 more | 39 min |
| Jun 22, 11:28 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Caddo, Comanche, Custer, Grady, Greer and 6 more | 47 min |
| Jun 22, 11:51 PM CDT | Severe Thunderstorm Warning | OUN | Beckham, Caddo, Carter, Comanche, Cotton, Custer and 8 more | 39 min |
| Jun 23, 12:25 AM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Comanche, Custer, Grady, Kiowa and 1 more | 50 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 22, 2:06 AM CDT | Mesoscale Discussion | SPC | Morton, Seward, Stanton, Stevens | 84 min |
| Jun 22, 12:31 PM CDT | Mesoscale Discussion | SPC | Grant, Greeley, Hamilton, Kearny, Sherman, Stanton and 2 more | 89 min |
| Jun 22, 1:19 PM CDT | Severe Thunderstorm Watch | SPC | Cheyenne, Finney, Gove, Grant, Greeley, Hamilton and 12 more | 6 hr |
| Jun 22, 3:46 PM CDT | Mesoscale Discussion | SPC | Clark, Finney, Ford, Grant, Gray, Greeley and 15 more | 89 min |
| Jun 22, 4:31 PM CDT | Severe Thunderstorm Watch | SPC | Barber, Clark, Comanche, Edwards, Ellis, Finney and 21 more | 5 hr |
| Jun 22, 5:14 PM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Edwards, Finney, Ford and 26 more | 2 hr |
| Jun 22, 2:52 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 83 min |
| Jun 22, 3:29 PM CDT | Severe Thunderstorm Watch | SPC | Beaver, Cimarron, Texas | 9 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2018Severe Thunderstorm Watches in Kansas, 2018Every severe thunderstorm watch in 2018
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.