Alert archive / Oklahoma / Tornado Watches in 2022

Tornado Watch 171

May 2, 202215 counties in Kansas; 51 counties in Oklahoma

The Storm Prediction Center issued this tornado watch at May 2, 2022, 2:02 PM CDT for 15 counties in Kansas; 51 counties in Oklahoma. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 2, 2022, 2:02 PM CDT (19:02 UTC)
Expired: May 2, 2022, 10:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 70 kt

All 66 counties

Barber County, KS, Chautauqua County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Ford County, KS, Harper County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Labette County, KS, Montgomery County, KS, Pratt County, KS, Sumner County, KS, Alfalfa County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cherokee County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Custer County, OK, Delaware County, OK, Dewey County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Grant County, OK, Hughes County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Washita County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 46 km from the middle of the area, began a volume at 19:05 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: 90%
One or more EF2 to EF5 tornadoes: 70%
Ten or more severe wind reports: 80%
One or more gusts of 65 knots or more: 60%
Ten or more severe hail reports: 95%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

67 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 2, 2:26 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford	49 min
May 2, 2:57 PM CDT	Severe Thunderstorm Warning	DDC	Ford, Kiowa	48 min
May 2, 3:02 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods, Woodward	43 min
May 2, 3:18 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DDC	Clark, Comanche, Ford, Kiowa	42 min
May 2, 3:24 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Major, Woods	51 min
May 2, 3:30 PM CDT	Tornado Warning	OUN	Alfalfa, Major	45 min
May 2, 3:42 PM CDT	Severe Thunderstorm Warning Considerable damage threat	DDC	Barber, Comanche, Kiowa, Pratt	48 min
May 2, 3:43 PM CDT	Tornado Warning	DDC	Barber, Kiowa, Pratt	32 min
May 2, 3:44 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher	46 min
May 2, 3:45 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Grant, Major	45 min
May 2, 3:53 PM CDT	Tornado Warning	OUN	Blaine, Kingfisher	11 min
May 2, 4:03 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Garfield, Kingfisher, Major	42 min
May 2, 4:15 PM CDT	Tornado Warning Tornado observed	OUN	Blaine, Kingfisher	45 min
May 2, 4:16 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Garfield, Grant	44 min
May 2, 4:36 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Logan, Major, Noble	39 min
May 2, 4:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Canadian, Kingfisher, Logan	34 min
May 2, 4:43 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	47 min
May 2, 4:43 PM CDT	Tornado Warning	OUN	Garfield	32 min
May 2, 4:47 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Garfield, Grant, Kay	43 min
May 2, 5:16 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Garfield, Kay, Kingfisher, Logan, Noble and 2 more	44 min
May 2, 5:21 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	39 min
May 2, 5:26 PM CDT	Tornado Warning	OUN	Caddo, Grady	49 min
May 2, 5:28 PM CDT	Severe Thunderstorm Warning	OUN	Kay, Noble	47 min
May 2, 5:31 PM CDT	Severe Thunderstorm Warning	ICT	Harper, Sumner	44 min
May 2, 5:32 PM CDT	Flash Flood Warning	OUN	Canadian, Kingfisher, Logan	3 hr
May 2, 5:35 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	55 min
May 2, 5:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Caddo, Canadian, Cleveland, Grady, McClain, Oklahoma	53 min
May 2, 5:55 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	50 min
May 2, 5:55 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Lincoln, Logan, Noble, Oklahoma, Payne	50 min
May 2, 5:55 PM CDT	Tornado Warning	OUN	Grady, McClain	50 min
May 2, 6:00 PM CDT	Tornado Warning Tornado observed	TSA	Osage, Pawnee	45 min
May 2, 6:17 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Canadian, Cleveland, Grady, Lincoln, McClain, Oklahoma and 1 more	43 min
May 2, 6:20 PM CDT	Tornado Warning	OUN	Payne	25 min
May 2, 6:24 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	51 min
May 2, 6:26 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee	49 min
May 2, 6:34 PM CDT	Tornado Warning	TSA	Creek, Pawnee	41 min
May 2, 6:35 PM CDT	Tornado Warning	OUN	Cleveland, McClain, Pottawatomie	40 min
May 2, 6:40 PM CDT	Tornado Warning	OUN	Payne	15 min
May 2, 6:43 PM CDT	Severe Thunderstorm Warning	OUN	Lincoln, Oklahoma, Payne	47 min
May 2, 6:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Caddo, Grady	45 min
May 2, 6:50 PM CDT	Tornado Warning	TSA	Osage, Pawnee	24 min
May 2, 6:54 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Cleveland, Garvin, Grady, McClain, Oklahoma and 1 more	51 min
May 2, 6:56 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Creek, Okfuskee, Okmulgee, Osage, Pawnee, Rogers and 1 more	49 min
May 2, 7:14 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Pawnee, Tulsa, Washington	31 min
May 2, 7:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Caddo, Comanche, Grady	30 min
May 2, 7:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Caddo, Comanche, Grady	30 min
May 2, 7:32 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Creek, Okfuskee, Okmulgee, Osage, Pawnee, Rogers and 1 more	43 min
May 2, 7:36 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Cleveland, Garvin, Hughes, Lincoln, McClain, Pontotoc and 2 more	39 min
May 2, 7:41 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Cleveland, Comanche, Cotton, Garvin, Grady, McClain and 1 more	49 min
May 2, 7:42 PM CDT	Severe Thunderstorm Warning	TSA	Mayes, Muskogee, Okmulgee, Rogers, Wagoner, Washington	33 min
May 2, 7:43 PM CDT	Tornado Warning	OUN	Pottawatomie, Seminole	47 min
May 2, 8:11 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, Creek, McIntosh, Muskogee, Okfuskee, Okmulgee and 2 more	49 min
May 2, 8:21 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Comanche, Cotton, Garvin, Grady, McClain and 3 more	39 min
May 2, 8:22 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Coal, Garvin, Hughes, McClain, Pontotoc, Pottawatomie and 1 more	53 min
May 2, 8:22 PM CDT	Tornado Warning	OUN	Hughes, Seminole	23 min
May 2, 8:31 PM CDT	Tornado Warning	TSA	Cherokee, Wagoner	8 min
May 2, 8:49 PM CDT	Severe Thunderstorm Warning	TSA	Pittsburg	41 min
May 2, 8:50 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Cotton, Garvin, Jefferson, Johnston, Murray and 2 more	40 min
May 2, 8:57 PM CDT	Severe Thunderstorm Warning	TSA	Adair, Cherokee, Delaware	48 min
May 2, 9:01 PM CDT	Severe Thunderstorm Warning	TSA	Cherokee, McIntosh, Muskogee, Okmulgee, Sequoyah, Tulsa and 1 more	44 min
May 2, 9:13 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Coal, Hughes, Johnston, Murray, Pontotoc and 1 more	47 min
May 2, 9:25 PM CDT	Severe Thunderstorm Warning	OUN	Cotton, Jefferson	65 min
May 2, 9:26 PM CDT	Tornado Warning	OUN	Coal, Johnston, Pontotoc	21 min
May 2, 9:27 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Johnston, Love, Marshall, Murray	63 min
May 2, 9:28 PM CDT	Severe Thunderstorm Warning	TSA	Haskell, Latimer, Pittsburg, Pushmataha	47 min
May 2, 9:53 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Atoka, Coal, Hughes	52 min
May 2, 9:57 PM CDT	Severe Thunderstorm Warning	OUN	Atoka, Bryan, Carter, Coal, Johnston, Marshall and 1 more	48 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, 7.0 hours before the alert went out and 150 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 7 J/kg
Mixed-layer CIN: -347 J/kg
Mixed-layer LCL: 823 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 226 m²/s²
0-3 km storm-relative helicity: 410 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 1, 10:30 PM CDT	Mesoscale Discussion	SPC	Grant, Greeley, Hamilton, Haskell, Kearny, Morton and 5 more	2 hr
May 2, 1:10 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Clark, Comanche, Cowley, Edwards and 10 more	2 hr
May 2, 3:32 PM CDT	Mesoscale Discussion	SPC	Barber, Comanche, Harper, Kingman, Kiowa, Pratt	88 min
May 2, 1:20 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Choctaw, Johnston, McCurtain, Marshall and 1 more	2 hr
May 2, 1:30 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Blaine, Caddo, Canadian, Cleveland, Craig and 29 more	2 hr
May 2, 5:08 PM CDT	Mesoscale Discussion	SPC	Atoka, Choctaw, Haskell, Latimer, LeFlore, McCurtain and 1 more	67 min
May 2, 5:27 PM CDT	Tornado Watch	SPC	Adair, Haskell, Latimer, LeFlore, Sequoyah	7 hr
May 2, 5:46 PM CDT	Mesoscale Discussion	SPC	Canadian, Grady, Kay, Logan, Noble, Oklahoma and 2 more	59 min

Nearby

Tornado Watches in Oklahoma, 2022 Tornado Watches in Kansas, 2022 Every 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.