Alert archive / Kansas / Mesoscale Discussions in 2020

Mesoscale Discussion 1015

June 26, 2020Cheyenne County, Kiowa County, Kit Carson County, Colorado; 6 counties in Kansas; 4 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 26, 2020, 7:13 PM MDT for Cheyenne County, Kiowa County, Kit Carson County, Colorado; 6 counties in Kansas; 4 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 26, 2020, 7:13 PM MDT (01:13 UTC)
Expired
Jun 26, 2020, 9:15 PM MDT
In force
2 hr
Issued by
the Storm Prediction Center
Concerning
Severe thunderstorm watch 306...308

Counties Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Cheyenne County, KS, Greeley County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Chase County, NE, Dundy County, NE, Hitchcock County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 45 km from the middle of the area, began a volume at 01:15 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 (KDNR), launched 00:00Z, 1.2 hours before the alert went out and 103 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-pSkew-T log-p diagram, Denver, CO at 00:00Z on 2020-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 00:00Z on 2020-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
2227 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
141 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.

IssuedProductOfficeCountiesLasted
Jun 27, 2:18 PM MDTMesoscale DiscussionSPCBent, Crowley, Elbert, El Paso, Las Animas, Lincoln and 2 more117 min
Jun 27, 5:01 PM MDTMesoscale DiscussionSPCCheyenne, Kiowa, Prowers119 min
Jun 26, 6:50 PM MDTSevere Thunderstorm WatchSPCAtchison, Barton, Brown, Cheyenne, Clay, Cloud and 53 more8 hr
Jun 26, 9:41 PM MDTMesoscale DiscussionSPCAtchison, Brown, Clay, Cloud, Decatur, Doniphan and 28 more2 hr
Jun 27, 12:28 AM MDTMesoscale DiscussionSPCAtchison, Barton, Brown, Clay, Cloud, Dickinson and 50 more2 hr
Jun 27, 2:22 AM MDTMesoscale DiscussionSPCChase, Dickinson, Douglas, Ellsworth, Franklin, Geary and 14 more53 min

Nearby

Mesoscale Discussions in Kansas, 2020Mesoscale Discussions in Nebraska, 2020Mesoscale Discussions in Colorado, 2020Every mesoscale discussion in 2020

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.