Alert archive / Oklahoma / Tornado Watches in 2022

Tornado Watch 176

May 4, 202234 counties in Oklahoma; 14 counties in Texas

The Storm Prediction Center issued this tornado watch at May 4, 2022, 1:26 PM CDT for 34 counties in Oklahoma; 14 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 4, 2022, 1:26 PM CDT (18:26 UTC)
Expired: May 4, 2022, 9:43 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 60 kt

All 48 counties

Blaine County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Creek County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK, Archer County, TX, Clay County, TX, Cooke County, TX, Denton County, TX, Eastland County, TX, Grayson County, TX, Jack County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Stephens County, TX, Wichita County, TX, Wise County, TX, Young County, TX

The radar

The Norman radar (KTLX), 71 km from the middle of the area, began a volume at 18:28 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: 60%
One or more EF2 to EF5 tornadoes: 40%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 60%
One or more hailstones of 2 inches or more: 60%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 4, 1:57 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Blaine, Kingfisher	48 min
May 4, 2:06 PM CDT	Severe Thunderstorm Warning	OUN	Alfalfa, Blaine, Garfield, Major	39 min
May 4, 2:27 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Major	48 min
May 4, 3:00 PM CDT	Severe Thunderstorm Warning	OUN	Garfield, Kingfisher, Logan, Noble, Payne	45 min
May 4, 3:16 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Garfield, Kingfisher, Major	44 min
May 4, 5:28 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Pawnee, Tulsa	47 min
May 4, 5:37 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Pottawatomie	38 min
May 4, 5:47 PM CDT	Severe Thunderstorm Warning	TSA	Creek, Osage, Pawnee	11 min
May 4, 6:00 PM CDT	Severe Thunderstorm Warning	TSA	Osage, Tulsa	45 min
May 4, 6:09 PM CDT	Severe Thunderstorm Warning	OUN	Pottawatomie	51 min
May 4, 6:17 PM CDT	Tornado Warning	OUN	Pottawatomie, Seminole	43 min
May 4, 6:21 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, McClain	39 min
May 4, 6:36 PM CDT	Tornado Warning Tornado observed	OUN	Seminole	39 min
May 4, 6:43 PM CDT	Tornado Warning	OUN	Cleveland, McClain	12 min
May 4, 6:45 PM CDT	Severe Thunderstorm Warning Considerable damage threat	TSA	Okfuskee	60 min
May 4, 7:08 PM CDT	Tornado Warning	OUN	Seminole	35 min
May 4, 7:09 PM CDT	Severe Thunderstorm Warning	TSA	Creek	21 min
May 4, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, McClain, Pottawatomie	46 min
May 4, 7:18 PM CDT	Tornado Warning	TSA	Okfuskee	42 min
May 4, 7:51 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Pottawatomie, Seminole	39 min
May 4, 7:53 PM CDT	Flash Flood Warning	TSA	Okfuskee, Okmulgee	4 hr
May 4, 7:56 PM CDT	Tornado Warning	TSA	Okfuskee, Okmulgee	49 min
May 4, 8:05 PM CDT	Tornado Warning	OUN	Pottawatomie, Seminole	40 min
May 4, 8:24 PM CDT	Severe Thunderstorm Warning Considerable damage threat	OUN	Lincoln, Pottawatomie, Seminole	51 min
May 4, 8:30 PM CDT	Flash Flood Warning	OUN	Seminole	5 hr
May 4, 8:30 PM CDT	Tornado Warning	OUN	Pottawatomie, Seminole	45 min
May 4, 8:33 PM CDT	Severe Thunderstorm Warning	TSA	Okfuskee	57 min
May 4, 8:42 PM CDT	Flash Flood Warning	OUN	Pottawatomie, Seminole	6 hr
May 4, 8:42 PM CDT	Tornado Warning	TSA	McIntosh, Muskogee, Okfuskee, Okmulgee	48 min
May 4, 8:53 PM CDT	Tornado Warning	TSA	Okfuskee	52 min
May 4, 9:00 PM CDT	Flash Flood Warning	TSA	McIntosh, Muskogee, Okmulgee, Wagoner	4 hr
May 4, 9:16 PM CDT	Severe Thunderstorm Warning	OUN	Hughes, Pottawatomie, Seminole	14 min
May 4, 9:24 PM CDT	Severe Thunderstorm Warning	TSA	McIntosh, Muskogee, Okmulgee, Wagoner	66 min
May 4, 9:34 PM CDT	Severe Thunderstorm Warning	FWD	Young	41 min
May 4, 9:36 PM CDT	Severe Thunderstorm Warning	OUN	Archer, Baylor, Clay, Wichita	39 min
May 4, 9:38 PM CDT	Tornado Warning	TSA	Okfuskee, Okmulgee	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, 6.4 hours before the alert went out and 59 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: 4 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 434 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 400 m²/s²
0-3 km storm-relative helicity: 430 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.3

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 4, 11:28 AM CDT	Mesoscale Discussion	SPC	Caddo, Carter, Cleveland, Comanche, Cotton, Garvin and 8 more	3 hr
May 4, 12:33 PM CDT	Mesoscale Discussion	SPC	Harmon, Texas	3 hr
May 4, 1:56 PM CDT	Tornado Watch	SPC	Beckham, Custer, Dewey, Greer, Harmon, Jackson and 4 more	8 hr
May 4, 2:26 PM CDT	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Coal, Comanche and 13 more	2 hr
May 4, 5:52 PM CDT	Mesoscale Discussion	SPC	Comanche, Cotton, Harmon, Jackson, Kiowa, Tillman	83 min
May 4, 6:11 PM CDT	Mesoscale Discussion	SPC	Atoka, Cleveland, Coal, Garvin, Grady, Hughes and 8 more	94 min
May 4, 1:35 PM CDT	Mesoscale Discussion	SPC	Coke, Crockett, Glasscock, Howard, Irion, Midland and 10 more	2 hr
May 4, 2:26 PM CDT	Tornado Watch	SPC	Borden, Callahan, Coke, Coleman, Concho, Crockett and 25 more	8 hr

Nearby

Tornado Watches in Oklahoma, 2022 Tornado Watches in Texas, 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.