Alert archive / Nebraska / Mesoscale Discussions in 2013

Mesoscale Discussion 82

January 29, 20134 states

The Storm Prediction Center issued this mesoscale discussion at Jan 29, 2013, 8:29 PM CST for 4 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Jan 29, 2013, 8:29 PM CST (02:29 UTC)
Expired: Jan 30, 2013, 12:30 AM CST
In force: 4 hr
Issued by: the Storm Prediction Center

All 62 counties

Adair County, IA, Adams County, IA, Audubon County, IA, Cass County, IA, Fremont County, IA, Harrison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Barton County, KS, Clay County, KS, Cloud County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Gray County, KS, Hodgeman County, KS, Jewell County, KS, Lincoln County, KS, Marshall County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Republic County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Smith County, KS, Trego County, KS, Washington County, KS, Atchison County, MO, Adams County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Hamilton County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, Washington County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 123 km from the middle of the area, began a volume at 02:33 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, 2.5 hours before the alert went out and 149 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 629 m above ground
0-6 km bulk shear: 92 kt
0-1 km storm-relative helicity: 27 m²/s²
0-3 km storm-relative helicity: 222 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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
Jan 30, 3:18 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Audubon, Black Hawk, Boone, Bremer and 34 more	5 hr
Jan 29, 6:08 PM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Madison, Mississippi, New Madrid and 5 more	2 hr
Jan 29, 7:13 PM CST	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Madison, Mississippi and 8 more	6 hr
Jan 29, 8:11 PM CST	Mesoscale Discussion	SPC	Dunklin	94 min
Jan 29, 9:19 PM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Madison, Mississippi, New Madrid and 5 more	86 min
Jan 29, 9:49 PM CST	Mesoscale Discussion	SPC	Dunklin, Pemiscot	116 min

Nearby

Mesoscale Discussions in Nebraska, 2013 Mesoscale Discussions in Kansas, 2013 Mesoscale Discussions in Iowa, 2013 Every mesoscale discussion in 2013

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.