Alert archive / Nebraska / Mesoscale Discussions in 2014

Mesoscale Discussion 389

April 23, 201424 counties in Kansas; 41 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Apr 23, 2014, 6:16 PM CDT for 24 counties in Kansas; 41 counties in Nebraska. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: Apr 23, 2014, 6:16 PM CDT (23:16 UTC)
Expired: Apr 23, 2014, 7:15 PM CDT
In force: 59 min
Issued by: the Storm Prediction Center

All 65 counties

Barton County, KS, Cloud County, KS, Decatur County, KS, Ellis County, KS, Gove County, KS, Graham County, KS, Jewell County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Trego County, KS, Wichita County, KS, Adams County, NE, Boone County, NE, Buffalo County, NE, Burt County, NE, Butler County, NE, Clay County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Jefferson County, NE, Kearney County, NE, Lancaster County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 22 km from the middle of the area, began a volume at 23:16 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 12:00Z, 11.3 hours before the alert went out and 181 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: 1736 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 621 m²/s²
0-3 km storm-relative helicity: 594 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
Apr 23, 2:34 PM CDT	Mesoscale Discussion	SPC	Barton, Ellis, Gove, Graham, Jewell, Lane and 11 more	2 hr
Apr 23, 2:37 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Edwards, Finney, Ford, Gray and 5 more	113 min
Apr 23, 3:04 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Cloud, Decatur, Ellis, Gove, Graham and 19 more	8 hr
Apr 23, 3:32 PM CDT	Mesoscale Discussion	SPC	Cheyenne	2 hr
Apr 23, 3:44 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 9 more	7 hr
Apr 23, 6:54 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 9 more	96 min

Nearby

Mesoscale Discussions in Nebraska, 2014 Mesoscale Discussions in Kansas, 2014 Every mesoscale discussion in 2014

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.