Alert archive / Iowa / Mesoscale Discussions in 2016
Mesoscale Discussion 1248
The Storm Prediction Center issued this mesoscale discussion at Jul 11, 2016, 3:16 PM CDT for 5 states. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2016, 3:16 PM CDT (20:16 UTC)
- Expired
- Jul 11, 2016, 5:15 PM CDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 118 counties
Adair County, IA, Adams County, IA, Audubon County, IA, Boone County, IA, Buena Vista County, IA, Calhoun County, IA, Carroll County, IA, Cass County, IA, Cerro Gordo County, IA, Cherokee County, IA, Clay County, IA, Crawford County, IA, Dickinson County, IA, Emmet County, IA, Fremont County, IA, Greene County, IA, Guthrie County, IA, Hamilton County, IA, Hancock County, IA, Harrison County, IA, Humboldt County, IA, Ida County, IA, Kossuth County, IA, Lyon County, IA, Mills County, IA, Monona County, IA, Montgomery County, IA, O'Brien County, IA, Osceola County, IA, Page County, IA, Palo Alto County, IA, Plymouth County, IA, Pocahontas County, IA, Pottawattamie County, IA, Sac County, IA, Shelby County, IA, Sioux County, IA, Taylor County, IA, Webster County, IA, Winnebago County, IA, Woodbury County, IA, Worth County, IA, Wright County, IA, Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Cottonwood County, MN, Dakota County, MN, Dodge County, MN, Faribault County, MN, Freeborn County, MN, Hennepin County, MN, Jackson County, MN, Le Sueur County, MN, Lincoln County, MN, Lyon County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Murray County, MN, Nicollet County, MN, Nobles County, MN, Pipestone County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Rock County, MN, Scott County, MN, Sibley County, MN, Steele County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Atchison County, MO, Burt County, NE, Butler County, NE, Cass County, NE, Cedar County, NE, Colfax County, NE, Cuming County, NE, Dakota County, NE, Dixon County, NE, Dodge County, NE, Douglas County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Madison County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Pierce County, NE, Platte County, NE, Polk County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Stanton County, NE, Thayer County, NE, Thurston County, NE, Washington County, NE, Wayne County, NE, York County, NE, Clay County, SD, Lincoln County, SD, Minnehaha County, SD, Moody County, SD, Turner County, SD, Union County, SD, Yankton County, SD
The radar
The Omaha radar (KOAX), 152 km from the middle of the area, began a volume at 20:19 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 12:00Z, 8.3 hours before the alert went out and 153 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.
- Mixed-layer CAPE
- 1239 J/kg
- Mixed-layer CIN
- -422 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 186 m²/s²
- 0-3 km storm-relative helicity
- 202 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 3:48 PM CDT | Severe Thunderstorm Watch | SPC | Audubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 21 more | 7 hr |
| Jul 11, 4:03 PM CDT | Severe Thunderstorm Watch | SPC | Harrison, Monona, Pottawattamie, Shelby | 6 hr |
| Jul 10, 10:16 PM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Clearwater, Grant, Mahnomen and 8 more | 89 min |
| Jul 10, 10:40 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Big Stone, Clay, Grant, Mahnomen, Marshall and 7 more | 6 hr |
| Jul 11, 1:01 AM CDT | Mesoscale Discussion | SPC | Aitkin, Becker, Beltrami, Benton, Big Stone, Cass and 27 more | 89 min |
| Jul 11, 1:51 AM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Beltrami, Benton, Cass, Clearwater, Crow Wing and 13 more | 5 hr |
| Jul 11, 3:22 AM CDT | Mesoscale Discussion | SPC | Aitkin, Benton, Carlton, Chisago, Crow Wing, Isanti and 5 more | 83 min |
| Jul 11, 4:06 AM CDT | Mesoscale Discussion | SPC | Becker, Big Stone, Clay, Grant, Otter Tail, Traverse and 1 more | 84 min |
| Jul 11, 5:17 PM CDT | Mesoscale Discussion | SPC | Anoka, Benton, Chisago, Hennepin, Isanti, Kandiyohi and 5 more | 58 min |
| Jul 11, 5:31 PM CDT | Tornado Watch | SPC | Anoka, Benton, Chisago, Isanti, Kanabec, Kandiyohi and 5 more | 4 hr |
| Jul 11, 6:03 PM CDT | Severe Thunderstorm Watch | SPC | Pine | 5 hr |
| Jul 10, 7:35 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, Dewey, Edmunds, McPherson, Perkins and 1 more | 55 min |
| Jul 10, 7:54 PM CDT | Mesoscale Discussion | SPC | Brule, Buffalo, Dewey, Faulk, Haakon, Hand and 12 more | 96 min |
| Jul 11, 1:32 AM CDT | Mesoscale Discussion | SPC | Campbell, Corson, McPherson | 58 min |
| Jul 11, 4:03 PM CDT | Mesoscale Discussion | SPC | Campbell, Corson, McPherson, Walworth | 117 min |
Nearby
Mesoscale Discussions in Iowa, 2016Mesoscale Discussions in Minnesota, 2016Mesoscale Discussions in Nebraska, 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.