Alert archive / South Dakota / Mesoscale Discussions in 2005

Mesoscale Discussion 764

May 7, 20054 states

The Storm Prediction Center issued this mesoscale discussion at May 7, 2005, 7:34 PM CDT for 4 states. It was in force for 116 min.

The area

The outline as issued.

The facts

Issued
May 7, 2005, 7:34 PM CDT (00:34 UTC)
Expired
May 7, 2005, 9:30 PM CDT
In force
116 min
Issued by
the Storm Prediction Center
All 75 counties

Cherokee County, IA, Ida County, IA, Lyon County, IA, Monona County, IA, O'Brien County, IA, Osceola County, IA, Plymouth County, IA, Sioux County, IA, Woodbury County, IA, Big Stone County, MN, Chippewa County, MN, Lac qui Parle County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Stevens County, MN, Swift County, MN, Traverse County, MN, Yellow Medicine County, MN, Antelope County, NE, Boone County, NE, Burt County, NE, Butler County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Greeley County, NE, Howard County, NE, Knox County, NE, Madison County, NE, Merrick County, NE, Nance County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Saunders County, NE, Sherman County, NE, Stanton County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, Wheeler County, NE, Beadle County, SD, Bon Homme County, SD, Brookings County, SD, Clark County, SD, Clay County, SD, Codington County, SD, Davison County, SD, Day County, SD, Deuel County, SD, Grant County, SD, Hamlin County, SD, Hanson County, SD, Hutchinson County, SD, Kingsbury County, SD, Lake County, SD, Lincoln County, SD, Marshall County, SD, McCook County, SD, Miner County, SD, Minnehaha County, SD, Moody County, SD, Roberts County, SD, Sanborn County, SD, Spink County, SD, Turner County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 55 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 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
May 7, 7:55 PM CDTSevere Thunderstorm WatchSPCLyon, Plymouth, Sioux6 hr
May 7, 11:07 PM CDTMesoscale DiscussionSPCDickinson, Lyon, O'Brien, Osceola, Plymouth, Sioux83 min
May 8, 1:10 PM CDTMesoscale DiscussionSPCLyon, Sioux3 hr
May 8, 1:50 PM CDTTornado WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Ida, Lyon and 6 more7 hr
May 8, 2:30 PM CDTSevere Thunderstorm WatchSPCAudubon, Carroll, Crawford, Fremont, Harrison, Mills and 5 more7 hr
May 8, 3:05 PM CDTMesoscale DiscussionSPCBlack Hawk, Boone, Bremer, Butler, Calhoun, Cerro Gordo and 28 more85 min
May 8, 5:27 PM CDTMesoscale DiscussionSPCBuena Vista, Cherokee, Clay, Crawford, Dickinson, Emmet and 12 more63 min
May 8, 5:30 PM CDTSevere Thunderstorm WatchSPCCalhoun, Emmet, Franklin, Hamilton, Hancock, Hardin and 7 more8 hr
May 8, 3:50 PM CDTTornado WatchSPCBecker, Beltrami, Clearwater, Kittson, Lake of the Woods, Mahnomen and 6 more5 hr
May 7, 8:36 PM CDTMesoscale DiscussionSPCAdams, Antelope, Boone, Buffalo, Butler, Cedar and 26 more114 min
May 8, 2:11 PM CDTMesoscale DiscussionSPCButler, Cass, Colfax, Dodge, Douglas, Gage and 11 more64 min
May 8, 6:02 PM CDTMesoscale DiscussionSPCPawnee118 min

Nearby

Mesoscale Discussions in South Dakota, 2005Mesoscale Discussions in Nebraska, 2005Mesoscale Discussions in Minnesota, 2005Every mesoscale discussion in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.