Alert archive / Iowa / Mesoscale Discussions in 2014
Mesoscale Discussion 775
The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2014, 1:50 PM CDT for 18 counties in Iowa; 11 counties in Minnesota; 5 counties in Wisconsin. It was in force for 85 min.
The area
The outline as issued.
The facts
- Issued
- Jun 1, 2014, 1:50 PM CDT (18:50 UTC)
- Expired
- Jun 1, 2014, 3:15 PM CDT
- In force
- 85 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 34 counties
Allamakee County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clay County, IA, Emmet County, IA, Floyd County, IA, Franklin County, IA, Hancock County, IA, Howard County, IA, Humboldt County, IA, Kossuth County, IA, Mitchell County, IA, Palo Alto County, IA, Pocahontas County, IA, Winnebago County, IA, Winneshiek County, IA, Worth County, IA, Wright County, IA, Dodge County, MN, Faribault County, MN, Fillmore County, MN, Freeborn County, MN, Houston County, MN, Martin County, MN, Mower County, MN, Olmsted County, MN, Steele County, MN, Wabasha County, MN, Winona County, MN, Buffalo County, WI, Eau Claire County, WI, La Crosse County, WI, Pepin County, WI, Trempealeau County, WI
The radar
The Minneapolis radar (KMPX), 149 km from the middle of the area, began a volume at 18:53 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
Minneapolis, MN (KMPX), launched 12:00Z, 6.8 hours before the alert went out and 149 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
- 327 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 497 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 1:28 PM CDT | Severe Thunderstorm Watch | SPC | Buena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 10 more | 10 hr |
| Jun 1, 2:34 PM CDT | Mesoscale Discussion | SPC | Cherokee, Clay, Dickinson, Lyon, O'Brien, Osceola and 3 more | 86 min |
| Jun 1, 3:42 PM CDT | Mesoscale Discussion | SPC | Buena Vista, Cherokee, Clay, Crawford, Harrison, Ida and 9 more | 63 min |
| Jun 1, 4:52 PM CDT | Mesoscale Discussion | SPC | Adair, Audubon, Boone, Buena Vista, Butler, Calhoun and 27 more | 53 min |
Nearby
Mesoscale Discussions in Iowa, 2014Mesoscale Discussions in Minnesota, 2014Mesoscale Discussions in Wisconsin, 2014Every mesoscale discussion in 2014
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.