Alert archive / Oklahoma / Severe Thunderstorm Watches in 2016
Severe Thunderstorm Watch 196
The Storm Prediction Center issued this severe thunderstorm watch at May 22, 2016, 8:48 PM CDT for 9 counties in Oklahoma; 8 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 22, 2016, 8:48 PM CDT (01:48 UTC)
- Expired
- May 23, 2016, 2:16 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
Counties Comanche County, OK, Cotton County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Stephens County, OK, Tillman 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), 21 km from the middle of the area, began a volume at 01:48 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
- 10%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- 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
- 60%
Warnings issued inside it
21 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 9:22 PM CDT | Severe Thunderstorm Warning | OUN | Foard | 38 min |
| May 22, 9:27 PM CDT | Severe Thunderstorm Warning | OUN | Harmon | 48 min |
| May 22, 9:58 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman | 27 min |
| May 22, 10:09 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 18 min |
| May 22, 10:20 PM CDT | Severe Thunderstorm Warning | OUN | Harmon | 40 min |
| May 22, 10:42 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Jackson | 48 min |
| May 22, 10:55 PM CDT | Flash Flood Warning | OUN | Harmon | 5 hr |
| May 22, 11:03 PM CDT | Tornado Warning | OUN | Greer, Jackson | 27 min |
| May 22, 11:07 PM CDT | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 38 min |
| May 22, 11:09 PM CDT | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 51 min |
| May 22, 11:25 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Jackson, Kiowa | 35 min |
| May 22, 11:39 PM CDT | Severe Thunderstorm Warning | OUN | Foard, Hardeman | 51 min |
| May 23, 12:05 AM CDT | Flash Flood Warning | OUN | Harmon, Jackson | 3 hr |
| May 23, 12:11 AM CDT | Severe Thunderstorm Warning | OUN | Jackson, Tillman | 49 min |
| May 23, 12:17 AM CDT | Severe Thunderstorm Warning | OUN | Jackson | 43 min |
| May 23, 12:37 AM CDT | Flash Flood Warning | OUN | Jackson, Tillman | 6 hr |
| May 23, 12:39 AM CDT | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Tillman | 51 min |
| May 23, 12:54 AM CDT | Severe Thunderstorm Warning | OUN | Cotton, Tillman | 51 min |
| May 23, 1:43 AM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson, Stephens, Tillman | 47 min |
| May 23, 1:58 AM CDT | Tornado Warning | OUN | Cotton, Jefferson, Stephens | 32 min |
| May 23, 2:01 AM CDT | Severe Thunderstorm Warning | OUN | Harmon, Jackson | 44 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
Norman, OK (KOUN), launched 00:00Z, 1.8 hours before the alert went out and 190 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
- 1204 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1060 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 7:02 PM CDT | Mesoscale Discussion | SPC | Beaver | 118 min |
| May 22, 7:46 PM CDT | Mesoscale Discussion | SPC | Comanche, Greer, Jackson, Kiowa, Tillman | 89 min |
| May 22, 9:10 PM CDT | Mesoscale Discussion | SPC | Beaver | 65 min |
| May 23, 1:36 AM CDT | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Jefferson, Love, Marshall and 2 more | 84 min |
| May 23, 2:15 AM CDT | Severe Thunderstorm Watch | SPC | Carter, Cotton, Jackson, Jefferson, Love, Marshall and 2 more | 5 hr |
| May 23, 4:58 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Jefferson, Love, Marshall and 1 more | 62 min |
| May 23, 2:18 PM CDT | Mesoscale Discussion | SPC | Beckham, Dewey, Ellis, Harmon, Harper, Major and 3 more | 117 min |
| May 23, 3:37 PM CDT | Tornado Watch | SPC | Beaver, Beckham, Custer, Dewey, Ellis, Greer and 9 more | 8 hr |
| May 23, 6:08 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Custer, Dewey, Ellis, Greer and 9 more | 2 hr |
| May 22, 9:35 PM CDT | Mesoscale Discussion | SPC | Irion, Reagan | 85 min |
| May 23, 1:32 PM CDT | Mesoscale Discussion | SPC | Borden, Coke, Crockett, Crosby, Dawson, Garza and 15 more | 118 min |
| May 23, 2:32 PM CDT | Tornado Watch | SPC | Borden, Brewster, Briscoe, Childress, Coke, Cottle and 37 more | 7 hr |
| May 23, 5:29 PM CDT | Mesoscale Discussion | SPC | Borden, Briscoe, Coke, Cottle, Crockett, Crosby and 30 more | 91 min |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2016Severe Thunderstorm Watches in Texas, 2016Every severe thunderstorm watch in 2016
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.