Alert archive / Kansas / Mesoscale Discussions in 2018

Mesoscale Discussion 865

June 24, 2018Cheyenne County, Crowley County, Kiowa County, Colorado; 4 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Jun 24, 2018, 4:31 PM MDT for Cheyenne County, Crowley County, Kiowa County, Colorado; 4 counties in Kansas. It was in force for 89 min.

The area

The outline as issued.

The facts

Issued: Jun 24, 2018, 4:31 PM MDT (22:31 UTC)
Expired: Jun 24, 2018, 6:00 PM MDT
In force: 89 min
Issued by: the Storm Prediction Center

Counties Cheyenne County, CO, Crowley County, CO, Kiowa County, CO, Greeley County, KS, Logan County, KS, Sherman County, KS, Wallace County, KS

The radar

The Goodland radar (KGLD), 86 km from the middle of the area, began a volume at 22:33 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.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.5 hours before the alert went out and 150 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: 1017 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: -40 m²/s²
0-3 km storm-relative helicity: 145 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 1:16 AM MDT	Mesoscale Discussion	SPC	Cheyenne, Kit Carson, Logan, Morgan, Phillips, Sedgwick and 2 more	59 min
Jun 24, 12:51 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Logan, Morgan, Phillips, Sedgwick and 3 more	84 min
Jun 24, 2:04 PM MDT	Mesoscale Discussion	SPC	Baca, Bent, Crowley, Huerfano, Kiowa, Las Animas and 3 more	86 min
Jun 24, 2:54 PM MDT	Severe Thunderstorm Watch	SPC	Baca, Bent, Cheyenne, Crowley, El Paso, Huerfano and 7 more	6 hr
Jun 23, 8:32 PM MDT	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Edwards, Finney and 26 more	118 min
Jun 23, 8:52 PM MDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 15 more	7 hr
Jun 24, 12:25 AM MDT	Mesoscale Discussion	SPC	Barber, Comanche, Harper, Kiowa, Pratt	95 min
Jun 24, 6:17 AM MDT	Mesoscale Discussion	SPC	Clark, Comanche, Grant, Haskell, Meade, Morton and 2 more	118 min

Nearby

Mesoscale Discussions in Kansas, 2018 Mesoscale Discussions in Colorado, 2018 Every mesoscale discussion 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.