Alert archive / Nebraska / Mesoscale Discussions in 2010

Mesoscale Discussion 792

June 3, 20104 states

The Storm Prediction Center issued this mesoscale discussion at Jun 3, 2010, 9:15 PM CDT for 4 states. It was in force for 60 min.

The area

The outline as issued.

The facts

Issued: Jun 3, 2010, 9:15 PM CDT (02:15 UTC)
Expired: Jun 3, 2010, 10:15 PM CDT
In force: 60 min
Issued by: the Storm Prediction Center

All 70 counties

Lyon County, IA, Monona County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Rock County, MN, Antelope County, NE, Boone County, NE, Boyd County, NE, Burt County, NE, Butler County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Garfield County, NE, Greeley County, NE, Hamilton County, NE, Holt County, NE, Howard County, NE, Knox County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saunders County, NE, Sherman County, NE, Stanton County, NE, Thurston County, NE, Valley County, NE, Washington County, NE, Wayne County, NE, Wheeler County, NE, York County, NE, Aurora County, SD, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Brown County, SD, Brule County, SD, Buffalo County, SD, Charles Mix County, SD, Clay County, SD, Davison County, SD, Douglas County, SD, Edmunds County, SD, Faulk County, SD, Gregory County, SD, Hand County, SD, Hanson County, SD, Hutchinson County, SD, Hyde County, SD, Jerauld County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, McCook County, SD, McPherson County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Sanborn County, SD, Spink County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 120 km from the middle of the area, began a volume at 02:15 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

Omaha, NE (KOAX), launched 00:00Z, 2.3 hours before the alert went out and 216 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: 167 J/kg
Mixed-layer CIN: -186 J/kg
Mixed-layer LCL: 1648 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 105 m²/s²
0-3 km storm-relative helicity: 347 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

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 3, 11:38 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 11 more	37 min
Jun 4, 1:43 PM CDT	Mesoscale Discussion	SPC	Appanoose, Cedar, Clarke, Clinton, Davis, Decatur and 21 more	2 hr
Jun 4, 3:54 PM CDT	Severe Thunderstorm Watch	SPC	Appanoose, Clarke, Davis, Decatur, Des Moines, Fremont and 12 more	7 hr

Nearby

Mesoscale Discussions in Nebraska, 2010 Mesoscale Discussions in South Dakota, 2010 Mesoscale Discussions in Iowa, 2010 Every mesoscale discussion in 2010

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.