Alert archive / Nebraska / Mesoscale Discussions in 2016

Mesoscale Discussion 911

June 13, 20164 counties in Colorado; 5 counties in Kansas; 17 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2016, 10:26 PM MDT for 4 counties in Colorado; 5 counties in Kansas; 17 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2016, 10:26 PM MDT (04:26 UTC)
Expired: Jun 14, 2016, 12:30 AM MDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 26 counties

Cheyenne County, CO, Kit Carson County, CO, Lincoln County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Blaine County, NE, Brown County, NE, Chase County, NE, Custer County, NE, Dawson County, NE, Dundy County, NE, Frontier County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Red Willow County, NE, Thomas County, NE

The radar

The Goodland radar (KGLD), 113 km from the middle of the area, began a volume at 04:28 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 4.4 hours before the alert went out and 124 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: 1181 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 1359 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.7

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 13, 6:53 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Baca, Bent, Cheyenne, Crowley and 13 more	97 min
Jun 13, 8:02 PM MDT	Mesoscale Discussion	SPC	Clark, Comanche, Finney, Ford, Grant, Gray and 5 more	88 min
Jun 13, 9:34 PM MDT	Mesoscale Discussion	SPC	Barber	2 hr
Jun 14, 5:15 PM MDT	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Brown, Butler, Chase and 25 more	3 hr
Jun 13, 6:00 PM MDT	Mesoscale Discussion	SPC	Arthur, Banner, Box Butte, Cherry, Cheyenne, Dawes and 13 more	90 min
Jun 13, 7:30 PM MDT	Mesoscale Discussion	SPC	Arthur, Blaine, Box Butte, Brown, Cherry, Cheyenne and 11 more	60 min
Jun 14, 10:45 AM MDT	Mesoscale Discussion	SPC	Burt, Butler, Cass, Clay, Colfax, Cuming and 17 more	2 hr
Jun 14, 11:43 AM MDT	Severe Thunderstorm Watch	SPC	Burt, Cuming, Dakota, Dixon, Dodge, Douglas and 4 more	8 hr
Jun 14, 1:51 PM MDT	Mesoscale Discussion	SPC	Burt, Dakota, Dodge, Douglas, Sarpy, Saunders and 2 more	114 min
Jun 14, 2:31 PM MDT	Mesoscale Discussion	SPC	Blaine, Brown, Cherry, Garfield, Keya Paha, Loup and 1 more	119 min

Nearby

Mesoscale Discussions in Nebraska, 2016 Mesoscale Discussions in Kansas, 2016 Mesoscale Discussions in Colorado, 2016 Every mesoscale discussion in 2016

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.