Alert archive / Nebraska / Mesoscale Discussions in 2014

Mesoscale Discussion 1333

July 9, 20146 counties in Colorado; 15 counties in Kansas; 42 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jul 9, 2014, 7:54 PM MDT for 6 counties in Colorado; 15 counties in Kansas; 42 counties in Nebraska. It was in force for 96 min.

The area

The outline as issued.

The facts

Issued: Jul 9, 2014, 7:54 PM MDT (01:54 UTC)
Expired: Jul 9, 2014, 9:30 PM MDT
In force: 96 min
Issued by: the Storm Prediction Center

All 63 counties

Kit Carson County, CO, Logan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Graham County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Adams County, NE, Arthur County, NE, Banner County, NE, Blaine County, NE, Buffalo County, NE, Chase County, NE, Cheyenne County, NE, Custer County, NE, Dawson County, NE, Deuel County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garden County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Kimball County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Scotts Bluff County, NE, Sherman County, NE, Thomas County, NE, Valley County, NE, Webster County, NE, Wheeler County, NE

The radar

The Goodland radar (KGLD), 103 km from the middle of the area, began a volume at 01:54 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

Denver, CO (KDEN), launched 00:00Z, 1.9 hours before the alert went out and 152 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: 1 J/kg
Mixed-layer CIN: -89 J/kg
Mixed-layer LCL: 3778 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 92 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
Jul 10, 5:04 PM MDT	Mesoscale Discussion	SPC	Phillips, Sedgwick	116 min
Jul 9, 10:27 PM MDT	Mesoscale Discussion	SPC	Barber, Barton, Edwards, Ellis, Ellsworth, Harper and 17 more	93 min
Jul 9, 10:59 PM MDT	Severe Thunderstorm Watch	SPC	Barber, Barton, Comanche, Edwards, Ellis, Harper and 14 more	4 hr
Jul 10, 1:39 AM MDT	Mesoscale Discussion	SPC	Barber, Barton, Cowley, Ellis, Ellsworth, Harper and 16 more	96 min
Jul 10, 2:37 PM MDT	Mesoscale Discussion	SPC	Banner, Box Butte, Cheyenne, Dawes, Kimball, Morrill and 3 more	83 min

Nearby

Mesoscale Discussions in Nebraska, 2014 Mesoscale Discussions in Kansas, 2014 Mesoscale Discussions in Colorado, 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.