Alert archive / Oklahoma / Tornado Watches in 2022
Tornado Watch 149
The Storm Prediction Center issued this tornado watch at Apr 23, 2022, 5:24 PM CDT for 28 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 23, 2022, 5:24 PM CDT (22:24 UTC)
- Expired
- Apr 23, 2022, 11:37 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2 in
- Strongest gust expected
- 60 kt
All 28 counties
Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Washington County, OK
The radar
The Norman radar (KTLX), 56 km from the middle of the area, began a volume at 22:24 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
- 50%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 20%
- Ten or more severe hail reports
- 60%
- One or more hailstones of 2 inches or more
- 30%
- Six or more combined severe hail and wind reports
- 80%
Warnings issued inside it
49 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 5:35 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Kingfisher, Logan | 40 min |
| Apr 23, 5:49 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Grady | 41 min |
| Apr 23, 6:00 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Grady | 45 min |
| Apr 23, 6:10 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Kay, Logan, Noble | 37 min |
| Apr 23, 6:14 PM CDT | Severe Thunderstorm Warning | OUN | Kingfisher, Logan, Noble, Payne | 46 min |
| Apr 23, 6:21 PM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher, Logan | 39 min |
| Apr 23, 6:31 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Grady | 44 min |
| Apr 23, 6:37 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Kiowa | 38 min |
| Apr 23, 6:58 PM CDT | Severe Thunderstorm Warning | OUN | Logan, Noble, Payne | 47 min |
| Apr 23, 6:59 PM CDT | Tornado Warning | OUN | Logan, Payne | 46 min |
| Apr 23, 7:03 PM CDT | Tornado Warning | OUN | Canadian, Cleveland, Grady, McClain, Oklahoma | 42 min |
| Apr 23, 7:07 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian, Grady | 38 min |
| Apr 23, 7:18 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche | 42 min |
| Apr 23, 7:37 PM CDT | Tornado Warning | OUN | Oklahoma | 38 min |
| Apr 23, 7:37 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Osage, Pawnee | 53 min |
| Apr 23, 7:39 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Grady, McClain | 66 min |
| Apr 23, 7:43 PM CDT | Tornado Warning | OUN | Payne | 10 min |
| Apr 23, 7:48 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Kiowa, Tillman | 27 min |
| Apr 23, 7:50 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Tillman | 40 min |
| Apr 23, 8:02 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Grady, McClain | 43 min |
| Apr 23, 8:10 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Oklahoma, Pottawatomie | 50 min |
| Apr 23, 8:15 PM CDT | Tornado Warning | OUN | Lincoln, Oklahoma, Pottawatomie | 45 min |
| Apr 23, 8:22 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Kiowa, Tillman | 38 min |
| Apr 23, 8:24 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Grady, Stephens | 51 min |
| Apr 23, 8:26 PM CDT | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 49 min |
| Apr 23, 8:31 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Pottawatomie | 44 min |
| Apr 23, 8:31 PM CDT | Tornado Warning | OUN | Comanche, Stephens | 29 min |
| Apr 23, 8:41 PM CDT | Severe Thunderstorm Warning | OUN | Grady, McClain | 49 min |
| Apr 23, 8:43 PM CDT | Severe Thunderstorm Warning | OUN | Lincoln, Pottawatomie, Seminole | 62 min |
| Apr 23, 8:55 PM CDT | Tornado Warning | OUN | Comanche, Grady, Stephens | 26 min |
| Apr 23, 9:01 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Kiowa, Tillman | 29 min |
| Apr 23, 9:07 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Kiowa, Tillman | 23 min |
| Apr 23, 9:10 PM CDT | Severe Thunderstorm Warning | OUN | Jackson, Tillman | 50 min |
| Apr 23, 9:14 PM CDT | Severe Thunderstorm Warning | TSA | Creek, Okfuskee | 61 min |
| Apr 23, 9:18 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 27 min |
| Apr 23, 9:23 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Garvin, Grady, Stephens | 52 min |
| Apr 23, 9:24 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, McClain | 51 min |
| Apr 23, 9:43 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Stephens, Tillman | 47 min |
| Apr 23, 9:51 PM CDT | Severe Thunderstorm Warning | OUN | Tillman | 24 min |
| Apr 23, 10:10 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Pottawatomie | 33 min |
| Apr 23, 10:13 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Cotton, Tillman | 32 min |
| Apr 23, 10:14 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Grady, McClain, Stephens | 31 min |
| Apr 23, 10:24 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Jackson, Kiowa, Tillman | 36 min |
| Apr 23, 10:27 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson, Stephens | 33 min |
| Apr 23, 10:38 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, McClain | 52 min |
| Apr 23, 10:43 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson, Stephens | 32 min |
| Apr 23, 10:58 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Comanche, Kiowa, Stephens | 47 min |
| Apr 23, 11:12 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Garvin, Jefferson, Stephens | 48 min |
| Apr 23, 11:23 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, McClain, Pontotoc, Pottawatomie | 52 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, 10.4 hours before the alert went out and 70 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
- 10 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 781 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 386 m²/s²
- 0-3 km storm-relative helicity
- 585 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 12:56 AM CDT | Severe Thunderstorm Watch | SPC | Beaver, Texas | 4 hr |
| Apr 23, 5:02 PM CDT | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Comanche, Creek, Garfield and 14 more | 88 min |
Nearby
Tornado Watches in Oklahoma, 2022Every tornado watch in 2022
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.