Alert archive / Nebraska / Mesoscale Discussions in 2011

Mesoscale Discussion 1060

June 1, 201127 counties in Kansas; 28 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2011, 7:19 PM CDT for 27 counties in Kansas; 28 counties in Nebraska. It was in force for 56 min.

The area

The outline as issued.

The facts

Issued: Jun 1, 2011, 7:19 PM CDT (00:19 UTC)
Expired: Jun 1, 2011, 8:15 PM CDT
In force: 56 min
Issued by: the Storm Prediction Center

All 55 counties

Barton County, KS, Chase County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Lyon County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Morris County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Republic County, KS, Rice County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Buffalo County, NE, Chase County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Hayes County, NE, Kearney County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE, Nuckolls County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Sherman County, NE, Thayer County, NE, Thomas County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 69 km from the middle of the area, began a volume at 00:22 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, 0.3 hours before the alert went out and 185 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: 3158 J/kg
Mixed-layer CIN: -48 J/kg
Mixed-layer LCL: 1439 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 231 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 12.2

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
Jun 1, 7:37 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Finney, Ford, Grant, Gray, Hamilton and 8 more	3 hr
Jun 1, 11:25 PM CDT	Mesoscale Discussion	SPC	Barton, Chase, Clay, Cloud, Dickinson, Ellis and 27 more	35 min
Jun 1, 11:49 PM CDT	Severe Thunderstorm Watch	SPC	Chase, Cloud, Dickinson, Ellsworth, Geary, Jewell and 15 more	4 hr
Jun 2, 2:12 AM CDT	Mesoscale Discussion	SPC	Clay, Cloud, Dickinson, Geary, Jackson, Jewell and 11 more	2 hr
Jun 2, 6:03 PM CDT	Mesoscale Discussion	SPC	Box Butte, Dawes, Sheridan	87 min

Nearby

Mesoscale Discussions in Nebraska, 2011 Mesoscale Discussions in Kansas, 2011 Every mesoscale discussion in 2011

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.