Alert archive / Texas / Severe Thunderstorm Watches in 2020

Severe Thunderstorm Watch 296

June 22, 202014 counties in Oklahoma; 47 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 22, 2020, 9:06 PM CDT for 14 counties in Oklahoma; 47 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jun 22, 2020, 9:06 PM CDT (02:06 UTC)
Expired
Jun 23, 2020, 5:00 AM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
2.5 in
Strongest gust expected
70 kt
All 61 counties

Beckham County, OK, Caddo County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Greer County, OK, Harmon County, OK, Jackson County, OK, Kiowa County, OK, Roger Mills County, OK, Tillman County, OK, Washita County, OK, Archer County, TX, Bailey County, TX, Baylor County, TX, Borden County, TX, Briscoe County, TX, Childress County, TX, Clay County, TX, Cochran County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dawson County, TX, Dickens County, TX, Donley County, TX, Fisher County, TX, Floyd County, TX, Foard County, TX, Gaines County, TX, Garza County, TX, Hale County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hockley County, TX, Howard County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lamb County, TX, Lubbock County, TX, Lynn County, TX, Martin County, TX, Mitchell County, TX, Motley County, TX, Nolan County, TX, Scurry County, TX, Shackelford County, TX, Stonewall County, TX, Swisher County, TX, Taylor County, TX, Terry County, TX, Throckmorton County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX, Yoakum County, TX

The radar

The Lubbock radar (KLBB), 89 km from the middle of the area, began a volume at 02:08 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
10%
One or more EF2 to EF5 tornadoes
2%
Ten or more severe wind reports
80%
One or more gusts of 65 knots or more
70%
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
95%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 22, 9:07 PM CDTSevere Thunderstorm WarningLUBBriscoe, Castro, Swisher53 min
Jun 22, 9:16 PM CDTSevere Thunderstorm WarningOUNEllis, Roger Mills44 min
Jun 22, 9:18 PM CDTSevere Thunderstorm WarningAMAArmstrong, Donley, Gray, Randall57 min
Jun 22, 9:44 PM CDTSevere Thunderstorm WarningLUBBailey46 min
Jun 22, 9:57 PM CDTSevere Thunderstorm WarningLUBBriscoe, Childress, Hall63 min
Jun 22, 9:59 PM CDTSevere Thunderstorm WarningLUBBriscoe, Castro, Floyd, Hale, Lamb, Parmer and 1 more61 min
Jun 22, 10:09 PM CDTSevere Thunderstorm WarningOUNEllis51 min
Jun 22, 10:14 PM CDTSevere Thunderstorm WarningMAFAndrews, Martin, Midland61 min
Jun 22, 10:24 PM CDTSevere Thunderstorm WarningLUBBailey, Cochran, Hockley, Lamb66 min
Jun 22, 10:26 PM CDTSevere Thunderstorm WarningOUNEllis49 min
Jun 22, 10:57 PM CDTSevere Thunderstorm WarningLUBBailey, Castro, Hale, Hockley, Lamb, Swisher48 min
Jun 22, 11:03 PM CDTSevere Thunderstorm WarningLUBChildress, Cottle, Hall, Motley42 min
Jun 22, 11:14 PM CDTSevere Thunderstorm WarningMAFAndrews, Martin, Midland61 min
Jun 22, 11:18 PM CDTSevere Thunderstorm WarningOUNHarmon, Jackson42 min
Jun 22, 11:27 PM CDTSevere Thunderstorm WarningLUBCochran, Hale, Hockley, Lamb, Lubbock63 min
Jun 22, 11:57 PM CDTSevere Thunderstorm WarningLUBHockley, Lubbock, Lynn, Terry, Yoakum63 min
Jun 22, 11:58 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Gaines, Scurry62 min
Jun 23, 12:06 AM CDTSevere Thunderstorm WarningLUBCrosby, Dickens, Garza, Kent, King, Stonewall54 min
Jun 23, 12:29 AM CDTSevere Thunderstorm WarningLUBLubbock31 min
Jun 23, 12:34 AM CDTSevere Thunderstorm WarningOUNGreer, Jackson, Kiowa41 min
Jun 23, 12:57 AM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Gaines, Howard, Martin, Mitchell and 1 more63 min
Jun 23, 12:58 AM CDTSevere Thunderstorm WarningLUBGarza, Kent, Lynn47 min
Jun 23, 1:00 AM CDTSevere Thunderstorm WarningSJTHaskell, Throckmorton45 min
Jun 23, 1:45 AM CDTSevere Thunderstorm WarningSJTHaskell, Jones, Shackelford, Throckmorton60 min
Jun 23, 1:55 AM CDTSevere Thunderstorm WarningMAFHoward, Mitchell, Scurry50 min
Jun 23, 2:42 AM CDTSevere Thunderstorm WarningSJTBrown, Callahan, Coleman, Jones, Runnels, Shackelford and 1 more63 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

Amarillo Airport, TX (KAMA), launched 00:00Z, 2.1 hours before the alert went out and 159 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, Amarillo Airport, TX at 00:00Z on 2020-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1588 joules per kilogram.LCLLFCEL10008507005003002001001 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, Amarillo Airport, TX at 00:00Z on 2020-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.193958Sfc1 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
1588 J/kg
Mixed-layer CIN
-89 J/kg
Mixed-layer LCL
1913 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.1
Supercell composite
11.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 22, 8:21 PM CDTMesoscale DiscussionSPCBeckham, Greer, Harmon, Jackson, Kiowa, Tillman84 min
Jun 22, 11:24 PM CDTMesoscale DiscussionSPCBeckham, Cotton, Greer, Harmon, Jackson, Kiowa and 2 more2 hr
Jun 23, 1:16 AM CDTMesoscale DiscussionSPCArcher, Borden, Brown, Callahan, Clay, Coke and 28 more89 min
Jun 23, 1:33 AM CDTSevere Thunderstorm WatchSPCBosque, Brown, Callahan, Coke, Coleman, Collin and 36 more6 hr
Jun 23, 3:55 AM CDTMesoscale DiscussionSPCBosque, Brown, Collin, Comanche, Coryell, Dallas and 18 more95 min

Nearby

Severe Thunderstorm Watches in Texas, 2020Severe Thunderstorm Watches in Oklahoma, 2020Every severe thunderstorm watch in 2020

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.