Alert archive / Kansas / Severe Thunderstorm Watches in 2014

Severe Thunderstorm Watch 377

June 30, 201421 counties in Kansas; 4 counties in Oklahoma; 6 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 30, 2014, 6:30 PM CDT for 21 counties in Kansas; 4 counties in Oklahoma; 6 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 30, 2014, 6:30 PM CDT (23:30 UTC)
Expired: Jul 1, 2014, 12:00 AM CDT
In force: 6 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2 in
Strongest gust expected: 60 kt

All 31 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Meade County, KS, Morton County, KS, Pawnee County, KS, Pratt County, KS, Seward County, KS, Stafford County, KS, Stanton County, KS, Stevens County, KS, Beaver County, OK, Cimarron County, OK, Harper County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Lipscomb County, TX, Ochiltree County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 114 km from the middle of the area, began a volume at 23:31 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: 2%
Ten or more severe wind reports: 40%
One or more gusts of 65 knots or more: 10%
Ten or more severe hail reports: 30%
One or more hailstones of 2 inches or more: 30%
Six or more combined severe hail and wind reports: 60%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Jun 30, 7:44 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	61 min
Jun 30, 8:12 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron, Texas	63 min
Jun 30, 8:18 PM CDT	Severe Thunderstorm Warning	DDC	Ford	42 min
Jun 30, 8:24 PM CDT	Severe Thunderstorm Warning	DDC	Morton	51 min
Jun 30, 8:34 PM CDT	Severe Thunderstorm Warning	DDC	Meade, Seward, Stevens	41 min
Jun 30, 8:51 PM CDT	Severe Thunderstorm Warning	DDC	Morton, Seward, Stevens	54 min
Jun 30, 8:56 PM CDT	Severe Thunderstorm Warning	DDC	Clark, Ford	49 min
Jun 30, 8:58 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	62 min
Jun 30, 9:13 PM CDT	Severe Thunderstorm Warning	DDC	Seward, Stevens	32 min
Jun 30, 9:14 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Cimarron, Texas	61 min
Jun 30, 9:36 PM CDT	Severe Thunderstorm Warning	AMA	Cimarron	54 min
Jun 30, 10:12 PM CDT	Severe Thunderstorm Warning	DDC	Clark	63 min
Jun 30, 10:15 PM CDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	60 min
Jun 30, 10:25 PM CDT	Severe Thunderstorm Warning	AMA	Hansford, Hutchinson, Moore, Sherman	65 min
Jun 30, 10:29 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Pratt	61 min
Jun 30, 10:31 PM CDT	Flash Flood Warning	DDC	Clark	3 hr
Jun 30, 10:48 PM CDT	Severe Thunderstorm Warning	OUN	Harper	42 min
Jun 30, 10:50 PM CDT	Flash Flood Warning	DDC	Clark, Meade, Seward	3 hr
Jun 30, 11:01 PM CDT	Severe Thunderstorm Warning	DDC	Comanche	59 min
Jun 30, 11:09 PM CDT	Flash Flood Warning	DDC	Kiowa	3 hr
Jun 30, 11:09 PM CDT	Severe Thunderstorm Warning	AMA	Beaver	66 min
Jun 30, 11:15 PM CDT	Severe Thunderstorm Warning	OUN	Ellis, Harper	45 min
Jun 30, 11:21 PM CDT	Severe Thunderstorm Warning	OUN	Harper	39 min
Jun 30, 11:26 PM CDT	Severe Thunderstorm Warning	DDC	Barber, Comanche, Kiowa	64 min
Jun 30, 11:28 PM CDT	Severe Thunderstorm Warning	OUN	Harper	47 min
Jun 30, 11:44 PM CDT	Severe Thunderstorm Warning	OUN	Harper, Woods	46 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

Dodge City, (KDDC), launched 12:00Z, 11.5 hours before the alert went out and 120 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: 793 J/kg
Mixed-layer CIN: -614 J/kg
Mixed-layer LCL: 2633 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -46 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 6:50 PM CDT	Mesoscale Discussion	SPC	Baca	85 min
Jun 29, 9:02 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Franklin, Jackson and 7 more	88 min
Jun 29, 11:36 PM CDT	Mesoscale Discussion	SPC	Wyandotte	54 min
Jun 30, 12:06 PM CDT	Mesoscale Discussion	SPC	Anderson, Atchison, Brown, Chase, Clay, Coffey and 26 more	54 min
Jun 30, 3:52 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Cloud, Dickinson, Doniphan and 18 more	113 min
Jun 30, 3:55 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Ford, Gray, Haskell, Kiowa and 4 more	65 min
Jun 30, 5:29 PM CDT	Tornado Watch	SPC	Atchison, Doniphan, Johnson, Leavenworth, Wyandotte	6 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2014 Severe Thunderstorm Watches in Texas, 2014 Severe Thunderstorm Watches in Oklahoma, 2014 Every severe thunderstorm watch in 2014

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.