Alert archive / Nebraska / Mesoscale Discussions in 2010

Mesoscale Discussion 810

June 5, 201030 counties in Iowa; 22 counties in Missouri; 34 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 5, 2010, 2:29 AM CDT for 30 counties in Iowa; 22 counties in Missouri; 34 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Jun 5, 2010, 2:29 AM CDT (07:29 UTC)
Expired
Jun 5, 2010, 4:30 AM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 86 counties

Adair County, IA, Adams County, IA, Appanoose County, IA, Audubon County, IA, Cass County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Fremont County, IA, Guthrie County, IA, Harrison County, IA, Jasper County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Mills County, IA, Monroe County, IA, Montgomery County, IA, Page County, IA, Polk County, IA, Pottawattamie County, IA, Ringgold County, IA, Shelby County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Adair County, MO, Atchison County, MO, Chariton County, MO, Clark County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Knox County, MO, Lewis County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Scotland County, MO, Shelby County, MO, Sullivan County, MO, Worth County, MO, Blaine County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cass County, NE, Colfax County, NE, Cuming County, NE, Custer County, NE, Dodge County, NE, Douglas County, NE, Garfield County, NE, Greeley County, NE, Hamilton County, NE, Howard County, NE, Lancaster County, NE, Logan County, NE, Loup County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Nemaha County, NE, Otoe County, NE, Platte County, NE, Polk County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Sherman County, NE, Stanton County, NE, Thomas County, NE, Valley County, NE, Washington County, NE, Wheeler County, NE, York County, NE

The radar

The Omaha radar (KOAX), 43 km from the middle of the area, began a volume at 07:31 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

Omaha, NE (KOAX), launched 00:00Z, 7.5 hours before the alert went out and 43 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 2010-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1311 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 2010-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.19395878Sfc1 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
1311 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
1604 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
228 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.6

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 4, 7:36 PM CDTMesoscale DiscussionSPCDes Moines, Lee54 min
Jun 4, 10:27 PM CDTMesoscale DiscussionSPCLee, Van Buren33 min
Jun 4, 10:58 PM CDTSevere Thunderstorm WatchSPCLee, Van Buren5 hr
Jun 4, 11:10 PM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Carroll, Cass and 25 more65 min
Jun 4, 11:32 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more8 hr
Jun 5, 1:19 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Audubon, Cass, Clarke and 17 more3 hr
Jun 5, 4:00 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Carroll and 33 more5 hr
Jun 5, 6:52 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Davis and 22 more83 min
Jun 5, 2:31 PM CDTMesoscale DiscussionSPCAdair, Adams, Allamakee, Appanoose, Audubon, Benton and 77 more119 min
Jun 5, 3:50 PM CDTTornado WatchSPCAdair, Adams, Appanoose, Benton, Black Hawk, Boone and 42 more7 hr
Jun 5, 12:31 AM CDTMesoscale DiscussionSPCAntelope, Arthur, Blaine, Boone, Brown, Buffalo and 22 more29 min
Jun 5, 12:45 AM CDTSevere Thunderstorm WatchSPCAntelope, Arthur, Blaine, Boone, Brown, Cherry and 25 more7 hr

Nearby

Mesoscale Discussions in Nebraska, 2010Mesoscale Discussions in Iowa, 2010Mesoscale Discussions in Missouri, 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.