Alert archive / Oklahoma / Severe Thunderstorm Watches in 2013

Severe Thunderstorm Watch 149

May 8, 201335 counties in Kansas; 37 counties in Oklahoma; 27 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2013, 3:20 PM CDT for 35 counties in Kansas; 37 counties in Oklahoma; 27 counties in Texas. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued: May 8, 2013, 3:20 PM CDT (20:20 UTC)
Expired: May 8, 2013, 11:00 PM CDT
In force: 8 hr
Issued by: the Storm Prediction Center
Largest hail expected: 3 in
Strongest gust expected: 60 kt

All 99 counties

Barber County, KS, Barton County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Elk County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Reno County, KS, Rice County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Trego County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Cotton County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grady County, OK, Grant County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Jackson County, OK, Jefferson County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pottawatomie County, OK, Roger Mills County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Archer County, TX, Baylor County, TX, Childress County, TX, Clay County, TX, Collingsworth County, TX, Cottle County, TX, Crosby County, TX, Dickens County, TX, Donley County, TX, Foard County, TX, Garza County, TX, Hall County, TX, Hardeman County, TX, Haskell County, TX, Hemphill County, TX, Jones County, TX, Kent County, TX, King County, TX, Knox County, TX, Lipscomb County, TX, Motley County, TX, Shackelford County, TX, Stonewall County, TX, Throckmorton County, TX, Wheeler County, TX, Wichita County, TX, Wilbarger County, TX

The radar

The Altus AFB radar (KFDR), 136 km from the middle of the area, began a volume at 20:22 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: 20%
One or more EF2 to EF5 tornadoes: 20%
Ten or more severe wind reports: 60%
One or more gusts of 65 knots or more: 20%
Ten or more severe hail reports: 95%
One or more hailstones of 2 inches or more: 50%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 8, 3:20 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Roger Mills	40 min
May 8, 3:49 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Canadian, Kingfisher	41 min
May 8, 3:56 PM CDT	Severe Thunderstorm Warning	OUN	Custer, Dewey, Ellis, Roger Mills	49 min
May 8, 4:18 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	42 min
May 8, 4:20 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford, Meade	55 min
May 8, 4:23 PM CDT	Severe Thunderstorm Warning	LUB	Hall, Motley	22 min
May 8, 4:25 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Hall	50 min
May 8, 4:28 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Kingfisher	47 min
May 8, 4:30 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth	45 min
May 8, 4:39 PM CDT	Severe Thunderstorm Warning	AMA	Wheeler	66 min
May 8, 4:40 PM CDT	Severe Thunderstorm Warning	LUB	Cottle, Hall, Motley	50 min
May 8, 4:41 PM CDT	Severe Thunderstorm Warning	OUN	Dewey	49 min
May 8, 4:45 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	45 min
May 8, 4:53 PM CDT	Severe Thunderstorm Warning	LUB	Dickens, Kent, King, Stonewall	37 min
May 8, 5:04 PM CDT	Severe Thunderstorm Warning	LUB	Kent, Stonewall	26 min
May 8, 5:07 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche, Kiowa	53 min
May 8, 5:11 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Hall	49 min
May 8, 5:11 PM CDT	Severe Thunderstorm Warning	LUB	Cottle, Motley	34 min
May 8, 5:17 PM CDT	Severe Thunderstorm Warning	AMA	Collingsworth, Donley, Gray, Wheeler	58 min
May 8, 5:21 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	39 min
May 8, 5:25 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Custer, Dewey	50 min
May 8, 5:27 PM CDT	Severe Thunderstorm Warning	LUB	Dickens, Kent, King, Stonewall	33 min
May 8, 5:28 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian	47 min
May 8, 5:46 PM CDT	Severe Thunderstorm Warning	OUN	Major, Woods, Woodward	44 min
May 8, 5:49 PM CDT	Severe Thunderstorm Warning	OUN	Dewey, Major, Woodward	41 min
May 8, 5:54 PM CDT	Severe Thunderstorm Warning	DDC	Ford, Hodgeman	66 min
May 8, 5:55 PM CDT	Severe Thunderstorm Warning	LUB	Childress, Hall	50 min
May 8, 5:57 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche, Kiowa	63 min
May 8, 6:00 PM CDT	Severe Thunderstorm Warning	LUB	King, Stonewall	30 min
May 8, 6:05 PM CDT	Severe Thunderstorm Warning	ICT	Russell	25 min
May 8, 6:06 PM CDT	Severe Thunderstorm Warning	LUB	Cottle	39 min
May 8, 6:09 PM CDT	Severe Thunderstorm Warning	SJT	Fisher, Jones	66 min
May 8, 6:15 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	45 min
May 8, 6:17 PM CDT	Severe Thunderstorm Warning	OUN	Blaine	43 min
May 8, 6:25 PM CDT	Severe Thunderstorm Warning	OUN	Major	50 min
May 8, 6:28 PM CDT	Severe Thunderstorm Warning	LUB	King, Stonewall	32 min
May 8, 6:29 PM CDT	Severe Thunderstorm Warning	DDC	Ellis	31 min
May 8, 6:29 PM CDT	Severe Thunderstorm Warning	ICT	Russell	31 min
May 8, 6:30 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Kiowa, Pratt	60 min
May 8, 6:34 PM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno	56 min
May 8, 6:36 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	39 min
May 8, 6:36 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	39 min
May 8, 6:39 PM CDT	Tornado Warning Tornado observed	ICT	Russell	36 min
May 8, 6:41 PM CDT	Tornado Warning Tornado observed	DDC	Ellis	34 min
May 8, 6:45 PM CDT	Severe Thunderstorm Warning	OUN	Woodward	45 min
May 8, 6:55 PM CDT	Severe Thunderstorm Warning	LUB	Cottle	35 min
May 8, 6:57 PM CDT	Severe Thunderstorm Warning	OUN	Canadian	48 min
May 8, 6:59 PM CDT	Severe Thunderstorm Warning	DDC	Comanche, Kiowa	61 min
May 8, 6:59 PM CDT	Severe Thunderstorm Warning	DDC	Finney, Ford, Gray, Hodgeman, Lane, Ness and 1 more	61 min
May 8, 7:00 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche, Ford, Kiowa	60 min
May 8, 7:03 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Caddo	27 min
May 8, 7:05 PM CDT	Severe Thunderstorm Warning	ICT	Reno	40 min
May 8, 7:06 PM CDT	Severe Thunderstorm Warning	OUN	Foard	39 min
May 8, 7:06 PM CDT	Severe Thunderstorm Warning	SJT	Jones	54 min
May 8, 7:09 PM CDT	Severe Thunderstorm Warning	OUN	Major	51 min
May 8, 7:10 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher	50 min
May 8, 7:14 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Grady	46 min
May 8, 7:16 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	44 min
May 8, 7:17 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Comanche, Kiowa	43 min
May 8, 7:23 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Comanche, Pratt	37 min
May 8, 7:23 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	52 min
May 8, 7:28 PM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno	62 min
May 8, 7:29 PM CDT	Severe Thunderstorm Warning	OUN	Woods, Woodward	46 min
May 8, 7:39 PM CDT	Severe Thunderstorm Warning	DDC	Ellis	51 min
May 8, 7:42 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	48 min
May 8, 7:46 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Ford, Hodgeman, Kiowa, Ness, Pawnee and 1 more	44 min
May 8, 7:52 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Sedgwick	38 min
May 8, 7:52 PM CDT	Severe Thunderstorm Warning	SJT	Jones, Shackelford	53 min
May 8, 7:53 PM CDT	Severe Thunderstorm Warning	DDC	Ellis, Lane, Ness, Rush, Trego	52 min
May 8, 7:56 PM CDT	Severe Thunderstorm Warning	OUN	Caddo, Canadian, Comanche, Grady	49 min
May 8, 7:57 PM CDT	Severe Thunderstorm Warning	DDC	Kiowa	33 min
May 8, 7:57 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	48 min
May 8, 8:02 PM CDT	Severe Thunderstorm Warning	ICT	Kingman, Reno, Sedgwick	43 min
May 8, 8:13 PM CDT	Severe Thunderstorm Warning	OUN	Woods, Woodward	47 min
May 8, 8:15 PM CDT	Severe Thunderstorm Warning	ICT	Harvey	60 min
May 8, 8:26 PM CDT	Severe Thunderstorm Warning	OUN	Carter, Garvin, Stephens	49 min
May 8, 8:27 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	48 min
May 8, 8:29 PM CDT	Severe Thunderstorm Warning	DDC	Edwards, Ford, Hodgeman, Kiowa	46 min
May 8, 8:29 PM CDT	Severe Thunderstorm Warning	OUN	Canadian, Cleveland, Grady, McClain, Oklahoma	46 min
May 8, 8:32 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	43 min
May 8, 8:36 PM CDT	Severe Thunderstorm Warning	OUN	Harper	39 min
May 8, 8:37 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	53 min
May 8, 8:40 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Comanche	50 min
May 8, 8:41 PM CDT	Severe Thunderstorm Warning	ICT	Reno	49 min
May 8, 8:44 PM CDT	Severe Thunderstorm Warning	ICT	Reno, Sedgwick	46 min
May 8, 8:46 PM CDT	Severe Thunderstorm Warning	OUN	Blaine, Kingfisher	44 min
May 8, 8:48 PM CDT	Severe Thunderstorm Warning	ICT	McPherson, Marion	57 min
May 8, 8:50 PM CDT	Severe Thunderstorm Warning	ICT	Russell	55 min
May 8, 9:10 PM CDT	Severe Thunderstorm Warning	ICT	Butler, Chase, Marion	65 min
May 8, 9:10 PM CDT	Severe Thunderstorm Warning	OUN	Cleveland, Garvin, Lincoln, McClain, Oklahoma, Pontotoc and 2 more	50 min
May 8, 9:32 PM CDT	Severe Thunderstorm Warning	OUN	Kingfisher	43 min
May 8, 10:25 PM CDT	Severe Thunderstorm Warning	ICT	Ellsworth	50 min
May 8, 10:33 PM CDT	Severe Thunderstorm Warning	OUN	Logan, Oklahoma	42 min
May 8, 10:50 PM CDT	Severe Thunderstorm Warning	ICT	Saline	55 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 12:00Z, 8.3 hours before the alert went out and 201 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: 286 J/kg
Mixed-layer CIN: -246 J/kg
Mixed-layer LCL: 1664 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 185 m²/s²
0-3 km storm-relative helicity: 201 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 7, 7:41 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Ellis and 10 more	94 min
May 7, 9:36 PM CDT	Mesoscale Discussion	SPC	Barber, Barton, Comanche, Edwards, Ellis, Kiowa and 4 more	54 min
May 8, 2:06 PM CDT	Mesoscale Discussion	SPC	Finney, Grant, Greeley, Hamilton, Haskell, Kearny and 9 more	24 min
May 8, 2:19 PM CDT	Mesoscale Discussion	SPC	Comanche	56 min
May 8, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	Finney, Gove, Grant, Gray, Greeley, Hamilton and 14 more	8 hr
May 8, 5:17 PM CDT	Mesoscale Discussion	SPC	Finney, Gove, Grant, Greeley, Hamilton, Haskell and 11 more	58 min
May 8, 5:58 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Chase, Chautauqua, Comanche, Cowley and 11 more	92 min

Nearby

Severe Thunderstorm Watches in Oklahoma, 2013 Severe Thunderstorm Watches in Kansas, 2013 Severe Thunderstorm Watches in Texas, 2013 Every severe thunderstorm watch in 2013

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.