Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 567

May 9, 201513 counties in Colorado; 20 counties in Kansas; Chase County, Dundy County, Perkins County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 9, 2015, 2:34 PM MDT for 13 counties in Colorado; 20 counties in Kansas; Chase County, Dundy County, Perkins County, Nebraska. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued: May 9, 2015, 2:34 PM MDT (20:34 UTC)
Expired: May 9, 2015, 3:30 PM MDT
In force: 56 min
Issued by: the Storm Prediction Center

All 36 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Prowers County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Finney County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Chase County, NE, Dundy County, NE, Perkins County, NE

The radar

The Goodland radar (KGLD), 106 km from the middle of the area, began a volume at 20:35 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, 8.6 hours before the alert went out and 163 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: 53 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 660 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 196 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 8, 6:55 PM MDT	Mesoscale Discussion	SPC	Bent, Crowley, Custer, El Paso, Huerfano, Las Animas and 3 more	2 hr
May 9, 4:51 AM MDT	Mesoscale Discussion	SPC	Baca, Prowers	84 min
May 9, 11:40 AM MDT	Mesoscale Discussion	SPC	Baca, Bent, Cheyenne, Kiowa, Kit Carson, Prowers	65 min
May 9, 11:55 AM MDT	Tornado Watch	SPC	Baca, Bent, Cheyenne, Crowley, Elbert, El Paso and 12 more	11 hr
May 9, 5:16 PM MDT	Mesoscale Discussion	SPC	Adams, Baca, Bent, Cheyenne, Crowley, Elbert and 11 more	119 min
May 9, 6:36 AM MDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 12 more	6 hr
May 9, 10:36 AM MDT	Mesoscale Discussion	SPC	Barber, Edwards, Harper, Kingman, Kiowa, Pawnee and 3 more	84 min

Nearby

Mesoscale Discussions in Kansas, 2015 Mesoscale Discussions in Colorado, 2015 Mesoscale Discussions in Nebraska, 2015 Every mesoscale discussion in 2015

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.