Alert archive / Kansas / Mesoscale Discussions in 2018

Mesoscale Discussion 514

May 24, 2018Cheyenne County, Kiowa County, Kit Carson County, Colorado; 14 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 24, 2018, 5:15 PM MDT for Cheyenne County, Kiowa County, Kit Carson County, Colorado; 14 counties in Kansas. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: May 24, 2018, 5:15 PM MDT (23:15 UTC)
Expired: May 24, 2018, 6:15 PM MDT
In force: 60 min
Issued by: the Storm Prediction Center

Counties Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Cheyenne County, KS, Gove County, KS, Greeley County, KS, Hamilton County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Rawlins County, KS, Scott County, KS, Sheridan County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS

The radar

The Goodland radar (KGLD), 64 km from the middle of the area, began a volume at 23:14 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, 11.3 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-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: 15 J/kg
Mixed-layer CIN: -290 J/kg
Mixed-layer LCL: 1895 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: -22 m²/s²
0-3 km storm-relative helicity: 88 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
May 24, 12:37 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Crowley, Elbert, Kiowa, Kit Carson, Lincoln	113 min
May 24, 1:47 PM MDT	Severe Thunderstorm Watch	SPC	Cheyenne, Kit Carson	7 hr

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.