Alert archive / Nebraska / Mesoscale Discussions in 2016

Mesoscale Discussion 1151

July 5, 201623 counties in Kansas; 36 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jul 5, 2016, 7:31 PM CDT for 23 counties in Kansas; 36 counties in Nebraska. It was in force for 119 min.

The area

The outline as issued.

The facts

Issued
Jul 5, 2016, 7:31 PM CDT (00:31 UTC)
Expired
Jul 5, 2016, 9:30 PM CDT
In force
119 min
Issued by
the Storm Prediction Center
All 59 counties

Clay County, KS, Cloud County, KS, Decatur County, KS, Ellis County, KS, Ellsworth County, KS, Gove County, KS, Graham County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Rawlins County, KS, Republic County, KS, Rooks County, KS, Russell County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Washington County, KS, Adams County, NE, Buffalo County, NE, Butler County, NE, Clay County, NE, Custer County, NE, Dawson County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gage County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Howard County, NE, Jefferson County, NE, Kearney County, NE, Lancaster County, NE, Merrick County, NE, Nance County, NE, Nuckolls County, NE, Phelps County, NE, Platte County, NE, Polk County, NE, Red Willow County, NE, Saline County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 82 km from the middle of the area, began a volume at 00:33 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.5 hours before the alert went out and 183 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 00:00Z on 2016-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 916 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 00:00Z on 2016-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
916 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
2408 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 5, 9:11 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Comanche, Edwards, Ellis, Ellsworth and 23 more7 hr
Jul 5, 11:20 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Clark, Cloud, Comanche and 36 more115 min
Jul 6, 1:50 AM CDTMesoscale DiscussionSPCAllen, Anderson, Barber, Barton, Bourbon, Butler and 33 more85 min
Jul 6, 2:19 AM CDTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 22 more7 hr
Jul 6, 3:47 AM CDTMesoscale DiscussionSPCBarber, Comanche, Edwards, Harper, Hodgeman, Kingman and 7 more58 min
Jul 6, 3:21 PM CDTMesoscale DiscussionSPCCheyenne, Rawlins54 min
Jul 6, 3:49 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Graham, Norton, Phillips, Rawlins and 4 more8 hr
Jul 5, 8:10 PM CDTSevere Thunderstorm WatchSPCAntelope, Boone, Burt, Butler, Colfax, Cuming and 11 more5 hr
Jul 5, 10:15 PM CDTMesoscale DiscussionSPCBurt, Dodge, Douglas, Washington90 min
Jul 6, 3:21 PM CDTTornado WatchSPCBlaine, Box Butte, Brown, Cherry, Dawes, Grant and 6 more7 hr
Jul 6, 6:48 PM CDTMesoscale DiscussionSPCAntelope, Blaine, Boone, Boyd, Brown, Cedar and 24 more57 min

Nearby

Mesoscale Discussions in Nebraska, 2016Mesoscale Discussions in Kansas, 2016Every mesoscale discussion in 2016

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.