Alert archive / Minnesota / Mesoscale Discussions in 2010

Mesoscale Discussion 985

June 17, 20104 states

The Storm Prediction Center issued this mesoscale discussion at Jun 17, 2010, 12:03 PM CDT for 4 states. It was in force for 87 min.

The area

The outline as issued.

The facts

Issued
Jun 17, 2010, 12:03 PM CDT (17:03 UTC)
Expired
Jun 17, 2010, 1:30 PM CDT
In force
87 min
Issued by
the Storm Prediction Center
All 56 counties

Buena Vista County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet 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, Big Stone County, MN, Brown County, MN, Chippewa County, MN, Cottonwood County, MN, Jackson County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Redwood County, MN, Renville County, MN, Rock County, MN, Stevens County, MN, Swift County, MN, Watonwan County, MN, Yellow Medicine County, MN, Burt County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Stanton County, NE, Thurston County, NE, Wayne County, NE, Brookings County, SD, Clay County, SD, Codington County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Lake County, SD, Lincoln County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD

The radar

The Sioux Falls radar (KFSD), 41 km from the middle of the area, began a volume at 17:02 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

Aberdeen, SD (KABR), launched 12:00Z, 5.1 hours before the alert went out and 227 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, Aberdeen, SD at 12:00Z on 2010-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 614 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, Aberdeen, SD at 12:00Z on 2010-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 322 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
614 J/kg
Mixed-layer CIN
-317 J/kg
Mixed-layer LCL
783 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
322 m²/s²
0-3 km storm-relative helicity
415 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

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 17, 1:54 PM CDTTornado WatchSPCAudubon, Buena Vista, Calhoun, Carroll, Cass, Cerro Gordo and 28 more8 hr
Jun 17, 3:31 PM CDTMesoscale DiscussionSPCBuena Vista, Calhoun, Carroll, Cherokee, Clay, Crawford and 16 more59 min
Jun 17, 4:32 PM CDTMesoscale DiscussionSPCFremont, Page58 min
Jun 17, 4:46 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 19 more59 min
Jun 17, 5:32 PM CDTSevere Thunderstorm WatchSPCFremont, Harrison, Mills, Montgomery, Page, Pottawattamie and 1 more7 hr
Jun 17, 5:50 PM CDTTornado WatchSPCAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more7 hr
Jun 17, 7:53 AM CDTMesoscale DiscussionSPCBecker, Clay, Grant, Mahnomen, Norman, Otter Tail and 3 more97 min
Jun 17, 12:04 PM CDTMesoscale DiscussionSPCClay, Kittson, Marshall, Norman, Pennington, Polk and 1 more56 min
Jun 17, 12:21 PM CDTTornado WatchSPCBecker, Beltrami, Clay, Clearwater, Grant, Hubbard and 12 more9 hr
Jun 17, 1:09 PM CDTMesoscale DiscussionSPCAitkin, Cass, Crow Wing, Itasca, Koochiching, Saint Louis96 min
Jun 17, 2:18 PM CDTMesoscale DiscussionSPCBecker, Clay, Mahnomen, Norman, Otter Tail, Polk and 2 more57 min
Jun 17, 2:30 PM CDTTornado WatchSPCAitkin, Carlton, Cass, Crow Wing, Itasca, Koochiching and 2 more9 hr
Jun 17, 6:41 PM CDTMesoscale DiscussionSPCClearwater, Kittson, Mahnomen, Marshall, Pennington, Polk and 1 more64 min
Jun 16, 10:23 PM CDTMesoscale DiscussionSPCCherry67 min
Jun 16, 7:01 PM CDTMesoscale DiscussionSPCButte, Corson, Custer, Fall River, Harding, Lawrence and 5 more59 min
Jun 16, 7:20 PM CDTTornado WatchSPCCorson, Dewey8 hr
Jun 16, 9:17 PM CDTMesoscale DiscussionSPCCorson, Dewey, Ziebach58 min
Jun 16, 11:09 PM CDTSevere Thunderstorm WatchSPCBrown, Campbell, Edmunds, Faulk, Hand, Hughes and 7 more5 hr
Jun 17, 1:40 AM CDTMesoscale DiscussionSPCButte, Custer, Haakon, Harding, Lawrence, Meade and 3 more95 min
Jun 17, 2:05 AM CDTMesoscale DiscussionSPCBrown, Campbell, Corson, Dewey, Edmunds, Faulk and 5 more55 min

Nearby

Mesoscale Discussions in Minnesota, 2010Mesoscale Discussions in Iowa, 2010Mesoscale Discussions in South Dakota, 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.