Alert archive / Kansas / Severe Thunderstorm Watches in 2018

Severe Thunderstorm Watch 124

May 27, 20185 states

The Storm Prediction Center issued this severe thunderstorm watch at May 27, 2018, 1:13 PM MDT for 5 states. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued: May 27, 2018, 1:13 PM MDT (19:13 UTC)
Expired: May 27, 2018, 8:00 PM MDT
In force: 7 hr
Issued by: the Storm Prediction Center
Largest hail expected: 2.5 in
Strongest gust expected: 65 kt

All 61 counties

Adams County, CO, Arapahoe County, CO, Baca County, CO, Bent County, CO, Cheyenne County, CO, Crowley County, CO, Elbert County, CO, Kiowa County, CO, Kit Carson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Otero County, CO, Phillips County, CO, Prowers County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Dundy County, NE, Hitchcock County, NE, Red Willow County, NE, Beaver County, OK, Cimarron County, OK, Texas County, OK, Carson County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

The radar

The Goodland radar (KGLD), 86 km from the middle of the area, began a volume at 19:17 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: 70%
One or more gusts of 65 knots or more: 30%
Ten or more severe hail reports: 70%
One or more hailstones of 2 inches or more: 40%
Six or more combined severe hail and wind reports: 95%

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
May 27, 1:45 PM MDT	Tornado Warning	BOU	Adams, Weld	30 min
May 27, 2:14 PM MDT	Severe Thunderstorm Warning	BOU	Weld	31 min
May 27, 2:23 PM MDT	Severe Thunderstorm Warning	BOU	Phillips	50 min
May 27, 2:23 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	22 min
May 27, 2:23 PM MDT	Severe Thunderstorm Warning	PUB	Crowley	37 min
May 27, 2:41 PM MDT	Severe Thunderstorm Warning	DDC	Hamilton, Stanton	49 min
May 27, 2:44 PM MDT	Severe Thunderstorm Warning	BOU	Morgan, Weld	31 min
May 27, 2:47 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	31 min
May 27, 3:02 PM MDT	Severe Thunderstorm Warning	PUB	Crowley, Kiowa	28 min
May 27, 3:06 PM MDT	Tornado Warning	BOU	Morgan, Weld	24 min
May 27, 3:06 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	24 min
May 27, 3:15 PM MDT	Severe Thunderstorm Warning	DDC	Grant, Hamilton, Kearny, Stanton	60 min
May 27, 3:23 PM MDT	Severe Thunderstorm Warning	DDC	Hamilton	52 min
May 27, 4:11 PM MDT	Severe Thunderstorm Warning	DDC	Kearny	18 min
May 27, 4:20 PM MDT	Severe Thunderstorm Warning	BOU	Washington	40 min
May 27, 4:20 PM MDT	Severe Thunderstorm Warning	GLD	Greeley, Wallace, Wichita	21 min
May 27, 4:28 PM MDT	Tornado Warning	BOU	Morgan	17 min
May 27, 4:34 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	26 min
May 27, 4:37 PM MDT	Tornado Warning	BOU	Morgan	23 min
May 27, 4:53 PM MDT	Severe Thunderstorm Warning	GLD	Logan	52 min
May 27, 4:56 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	34 min
May 27, 4:58 PM MDT	Tornado Warning	BOU	Morgan, Weld	18 min
May 27, 5:17 PM MDT	Severe Thunderstorm Warning	AMA	Texas	58 min
May 27, 5:22 PM MDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson	53 min
May 27, 5:24 PM MDT	Severe Thunderstorm Warning	GLD	Dundy	36 min
May 27, 5:28 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	32 min
May 27, 5:34 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	41 min
May 27, 5:38 PM MDT	Severe Thunderstorm Warning	BOU	Logan	52 min
May 27, 5:41 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Kit Carson	34 min
May 27, 6:08 PM MDT	Severe Thunderstorm Warning	AMA	Carson, Hutchinson	67 min
May 27, 6:09 PM MDT	Severe Thunderstorm Warning	BOU	Phillips, Sedgwick	33 min
May 27, 6:10 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	20 min
May 27, 6:12 PM MDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	34 min
May 27, 6:14 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	31 min
May 27, 6:15 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne, Rawlins	45 min
May 27, 6:19 PM MDT	Severe Thunderstorm Warning	BOU	Sedgwick	26 min
May 27, 6:41 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	34 min
May 27, 6:47 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	28 min
May 27, 7:07 PM MDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson	53 min
May 27, 7:09 PM MDT	Tornado Warning	GLD	Kit Carson	23 min
May 27, 7:12 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	33 min
May 27, 7:14 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson	31 min
May 27, 7:37 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	23 min
May 27, 7:43 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	17 min
May 27, 7:44 PM MDT	Severe Thunderstorm Warning	AMA	Carson, Gray, Hutchinson, Roberts	61 min
May 27, 8:00 PM MDT	Severe Thunderstorm Warning	GLD	Kit Carson, Yuma	45 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

Denver, CO (KDEN), launched 12:00Z, 7.2 hours before the alert went out and 166 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 4365 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 105 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 27, 12:38 PM MDT	Mesoscale Discussion	SPC	Baca, Cheyenne, Kiowa, Kit Carson, Logan, Phillips and 3 more	3 hr
May 27, 4:30 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Baca, Bent, Boulder, Broomfield and 16 more	2 hr
May 27, 12:05 PM MDT	Severe Thunderstorm Watch	SPC	Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 2 more	9 hr
May 27, 2:40 PM MDT	Severe Thunderstorm Watch	SPC	Arthur, Chase, Cherry, Deuel, Frontier, Garden and 10 more	6 hr
May 27, 4:42 PM MDT	Mesoscale Discussion	SPC	Banner, Box Butte, Dawes, Kimball, Morrill, Scotts Bluff and 1 more	93 min
May 27, 5:41 PM MDT	Mesoscale Discussion	SPC	Arthur, Chase, Cherry, Deuel, Frontier, Garden and 10 more	94 min

Nearby

Severe Thunderstorm Watches in Kansas, 2018 Severe Thunderstorm Watches in Colorado, 2018 Severe Thunderstorm Watches in Texas, 2018 Every severe thunderstorm watch in 2018

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.