Alert archive / Oklahoma / Tornado Watches in 2019

Tornado Watch 211

May 22, 201930 counties in Oklahoma; 5 counties in Texas

The Storm Prediction Center issued this tornado watch at May 22, 2019, 2:34 PM CDT for 30 counties in Oklahoma; 5 counties in Texas. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
May 22, 2019, 2:34 PM CDT (19:34 UTC)
Expired
May 22, 2019, 10:00 PM CDT
In force
7 hr
Issued by
the Storm Prediction Center
Particularly dangerous situation
Yes
Largest hail expected
3 in
Strongest gust expected
60 kt
All 35 counties

Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 89 km from the middle of the area, began a volume at 19:37 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
80%
One or more EF2 to EF5 tornadoes
80%
Ten or more severe wind reports
40%
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
50%
Six or more combined severe hail and wind reports
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 22, 2:44 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Stephens, Tillman46 min
May 22, 3:28 PM CDTSevere Thunderstorm WarningOUNCaddo, Comanche, Cotton, Grady, Stephens47 min
May 22, 3:59 PM CDTSevere Thunderstorm WarningOUNHughes, Pottawatomie, Seminole46 min
May 22, 4:01 PM CDTSevere Thunderstorm WarningOUNKingfisher, Logan, Payne44 min
May 22, 4:13 PM CDTSevere Thunderstorm WarningOUNComanche, Grady, Stephens26 min
May 22, 4:23 PM CDTTornado WarningOUNSeminole17 min
May 22, 4:29 PM CDTTornado WarningOUNHughes, Seminole25 min
May 22, 4:35 PM CDTSevere Thunderstorm WarningOUNGarfield, Logan, Noble, Payne40 min
May 22, 4:38 PM CDTTornado WarningOUNLogan, Noble, Payne37 min
May 22, 4:46 PM CDTTornado WarningOUNSeminole17 min
May 22, 4:53 PM CDTFlash Flood WarningOUNGarfield, Logan, Noble, Payne5 hr
May 22, 5:14 PM CDTSevere Thunderstorm WarningOUNNoble, Payne10 min
May 22, 5:17 PM CDTFlash Flood WarningOUNKingfisher, Logan, Payne3 hr
May 22, 5:38 PM CDTSevere Thunderstorm WarningOUNKingfisher52 min
May 22, 5:49 PM CDTSevere Thunderstorm WarningOUNCleveland, Garvin, McClain, Pottawatomie26 min
May 22, 6:07 PM CDTSevere Thunderstorm WarningOUNGarfield53 min
May 22, 6:08 PM CDTSevere Thunderstorm WarningOUNBaylor, Wichita, Wilbarger52 min
May 22, 6:28 PM CDTFlash Flood WarningOUNGarfield, Noble3 hr
May 22, 6:43 PM CDTSevere Thunderstorm WarningOUNNoble26 min
May 22, 6:43 PM CDTSevere Thunderstorm WarningOUNWichita, Wilbarger47 min
May 22, 6:57 PM CDTSevere Thunderstorm WarningOUNGarfield, Noble32 min
May 22, 7:07 PM CDTSevere Thunderstorm WarningOUNComanche, Cotton, Kiowa, Tillman38 min
May 22, 7:15 PM CDTSevere Thunderstorm WarningOUNNoble45 min
May 22, 7:24 PM CDTSevere Thunderstorm WarningOUNCotton51 min
May 22, 7:33 PM CDTTornado WarningOUNCotton25 min
May 22, 7:49 PM CDTSevere Thunderstorm WarningOUNNoble, Payne41 min
May 22, 7:54 PM CDTFlash Flood WarningOUNPayne96 min
May 22, 7:59 PM CDTSevere Thunderstorm WarningOUNCotton46 min
May 22, 8:10 PM CDTFlash Flood WarningOUNLogan95 min
May 22, 8:17 PM CDTSevere Thunderstorm WarningOUNCotton28 min
May 22, 8:29 PM CDTSevere Thunderstorm WarningOUNPayne31 min
May 22, 8:35 PM CDTTornado WarningOUNPayne25 min
May 22, 9:39 PM CDTFlash Flood WarningOUNKay2 hr

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, 7.6 hours before the alert went out and 84 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-pSkew-T log-p diagram, Norman, OK at 12:00Z on 2019-05-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Norman, OK at 12:00Z on 2019-05-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 434 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1361 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
434 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 22, 2:12 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Cherokee, Cleveland, Comanche, Cotton and 27 more93 min
May 22, 3:06 PM CDTMesoscale DiscussionSPCCherokee, Craig, Creek, Delaware, Mayes, Nowata and 7 more114 min
May 22, 3:32 PM CDTTornado Watch PDSSPCCherokee, Craig, Creek, Delaware, McIntosh, Mayes and 11 more7 hr
May 22, 5:05 PM CDTMesoscale DiscussionSPCCherokee, Craig, Creek, Delaware, Lincoln, McIntosh and 13 more85 min
May 22, 5:38 PM CDTMesoscale DiscussionSPCCaddo, Canadian, Carter, Cleveland, Comanche, Cotton and 11 more97 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.