Alert archive / Nebraska / Mesoscale Discussions in 2010

Mesoscale Discussion 892

June 11, 20104 states

The Storm Prediction Center issued this mesoscale discussion at Jun 11, 2010, 4:11 AM CDT for 4 states. It was in force for 64 min.

The area

The outline as issued.

The facts

Issued
Jun 11, 2010, 4:11 AM CDT (09:11 UTC)
Expired
Jun 11, 2010, 5:15 AM CDT
In force
64 min
Issued by
the Storm Prediction Center
All 71 counties

Buena Vista County, IA, Calhoun County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Harrison County, IA, Ida County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Sac County, IA, Sioux County, IA, Woodbury County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Rock County, MN, Yellow Medicine County, MN, 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, Dawson County, NE, Dixon County, NE, Dodge County, NE, Franklin County, NE, Furnas County, NE, Gosper County, NE, Greeley County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Howard County, NE, Kearney County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Phelps County, NE, Platte County, NE, Polk County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Webster County, NE, York County, NE, Brookings County, SD, Lake County, SD, Minnehaha County, SD, Moody County, SD, Union County, SD

The radar

The Omaha radar (KOAX), 131 km from the middle of the area, began a volume at 09:12 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, 9.2 hours before the alert went out and 131 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, Omaha, NE at 00:00Z on 2010-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1840 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, Omaha, NE at 00:00Z on 2010-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 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
1840 J/kg
Mixed-layer CIN
-136 J/kg
Mixed-layer LCL
794 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
322 m²/s²
Significant tornado parameter
1.0
Supercell composite
14.8

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.

IssuedProductOfficeCountiesLasted
Jun 11, 1:07 AM CDTMesoscale DiscussionSPCCherokee, Lyon, O'Brien, Osceola, Plymouth, Sioux and 1 more53 min
Jun 11, 1:13 AM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 5 more4 hr
Jun 11, 5:01 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Buchanan, Cedar, Clayton and 11 more89 min
Jun 10, 7:01 PM CDTTornado WatchSPCArthur, Blaine, Box Butte, Brown, Buffalo, Cherry and 18 more5 hr
Jun 10, 9:17 PM CDTMesoscale DiscussionSPCChase, Dundy, Franklin, Frontier, Furnas, Gosper and 9 more58 min
Jun 10, 10:37 PM CDTMesoscale DiscussionSPCArthur, Blaine, Box Butte, Brown, Buffalo, Cherry and 18 more53 min
Jun 10, 11:47 PM CDTSevere Thunderstorm WatchSPCAdams, Antelope, Boone, Boyd, Buffalo, Cedar and 39 more4 hr
Jun 11, 1:45 AM CDTMesoscale DiscussionSPCAdams, Antelope, Blaine, Boone, Boyd, Buffalo and 34 more60 min
Jun 11, 2:09 PM CDTMesoscale DiscussionSPCBanner, Cheyenne, Kimball96 min
Jun 11, 6:35 PM CDTMesoscale DiscussionSPCChase, Dundy, Hayes, Hitchcock, Perkins55 min
Jun 10, 7:21 PM CDTMesoscale DiscussionSPCBuffalo, Faulk, Hand, Hughes, Hyde, Jones and 4 more24 min
Jun 10, 7:27 PM CDTSevere Thunderstorm WatchSPCAurora, Beadle, Brule, Buffalo, Charles Mix, Davison and 15 more6 hr

Nearby

Mesoscale Discussions in Nebraska, 2010Mesoscale Discussions in Iowa, 2010Mesoscale Discussions in Minnesota, 2010Every 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.