Alert archive / Oklahoma / Tornado Watches in 2019
Tornado Watch 234
The Storm Prediction Center issued this tornado watch at May 24, 2019, 4:50 PM CDT for 16 counties in Oklahoma; 8 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 24, 2019, 4:50 PM CDT (21:50 UTC)
- Expired
- May 24, 2019, 10:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 65 kt
All 24 counties
Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Jackson County, OK, Jefferson County, OK, Kiowa County, OK, Lincoln County, OK, McClain County, OK, Oklahoma County, OK, Pottawatomie 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), 25 km from the middle of the area, began a volume at 21:50 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
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- 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
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 5:06 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson | 54 min |
| May 24, 5:25 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Kiowa, Tillman | 42 min |
| May 24, 5:59 PM CDT | Severe Thunderstorm Warning | OUN | Greer, Harmon, Jackson, Kiowa, Tillman | 61 min |
| May 24, 6:31 PM CDT | Severe Thunderstorm Warning | OUN | Jackson | 29 min |
| May 24, 6:32 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Custer, Dewey, Kingfisher, Washita | 43 min |
| May 24, 6:36 PM CDT | Flash Flood Warning | OUN | Blaine, Canadian, Garfield, Kingfisher | 4 hr |
| May 24, 6:44 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Greer, Jackson, Kiowa, Tillman and 1 more | 61 min |
| May 24, 6:59 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Jackson, Tillman | 46 min |
| May 24, 7:38 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Caddo, Canadian, Comanche, Grady, Kiowa and 1 more | 67 min |
| May 24, 7:45 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 60 min |
| May 24, 8:44 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher | 46 min |
| May 24, 8:46 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Grady | 44 min |
| May 24, 9:08 PM CDT | Flash Flood Warning | OUN | Comanche, Greer, Harmon, Jackson, Kiowa, Tillman | 4 hr |
| May 24, 9:08 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, McClain, Oklahoma | 37 min |
| May 24, 9:29 PM CDT | Flash Flood Warning | OUN | Canadian, Lincoln, Logan, Oklahoma, Payne | 4 hr |
| May 24, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Oklahoma, Pottawatomie | 32 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 12:00Z, 9.8 hours before the alert went out and 158 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
- 1636 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 669 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 302 m²/s²
- 0-3 km storm-relative helicity
- 340 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 13.5
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 8:32 PM CDT | Mesoscale Discussion | SPC | Ellis, Harper | 88 min |
| May 23, 9:53 PM CDT | Tornado Watch | SPC | Ellis, Harper, Woods, Woodward | 4 hr |
| May 23, 11:08 PM CDT | Mesoscale Discussion | SPC | Beckham, Custer, Dewey, Greer, Harmon, Roger Mills | 97 min |
| May 24, 2:02 AM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 10 more | 4 hr |
| May 24, 1:42 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Garfield, Grant, Kay, Major, Woods and 1 more | 2 hr |
| May 24, 2:18 PM CDT | Tornado Watch | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 19 more | 8 hr |
| May 24, 3:51 PM CDT | Mesoscale Discussion | SPC | Beckham, Harmon | 114 min |
| May 24, 4:43 PM CDT | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Comanche, Cotton, Creek and 10 more | 32 min |
| May 24, 6:49 PM CDT | Mesoscale Discussion | SPC | Comanche, Kiowa, Tillman | 56 min |
| May 23, 9:43 PM CDT | Severe Thunderstorm Watch | SPC | Bailey, Briscoe, Castro, Childress, Cochran, Cottle and 13 more | 5 hr |
| May 24, 1:10 PM CDT | Mesoscale Discussion | SPC | Borden, Childress, Cottle, Crane, Crosby, Dawson and 25 more | 2 hr |
| May 24, 1:34 PM CDT | Tornado Watch | SPC | Armstrong, Borden, Briscoe, Carson, Childress, Collingsworth and 23 more | 7 hr |
| May 24, 3:22 PM CDT | Mesoscale Discussion | SPC | Andrews, Brewster, Coke, Crane, Crockett, Ector and 15 more | 113 min |
Nearby
Tornado Watches in Oklahoma, 2019Tornado Watches in Texas, 2019Every tornado watch in 2019
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.