Alert archive / Iowa / Mesoscale Discussions in 2007
Mesoscale Discussion 415
The Storm Prediction Center issued this mesoscale discussion at Apr 3, 2007, 1:27 AM CDT for 5 counties in Illinois; 55 counties in Iowa; 6 counties in Wisconsin. It was in force for 93 min.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2007, 1:27 AM CDT (06:27 UTC)
- Expired
- Apr 3, 2007, 3:00 AM CDT
- In force
- 93 min
- Issued by
- the Storm Prediction Center
All 66 counties
Allamakee County, IA, Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Buena Vista County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cedar County, IA, Cerro Gordo County, IA, Cherokee County, IA, Chickasaw County, IA, Clayton County, IA, Clinton County, IA, Crawford County, IA, Delaware County, IA, Dubuque County, IA, Emmet County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Harrison County, IA, Howard County, IA, Humboldt County, IA, Ida County, IA, Iowa County, IA, Jackson County, IA, Johnson County, IA, Jones County, IA, Kossuth County, IA, Linn County, IA, Marshall County, IA, Mitchell County, IA, Monona County, IA, Muscatine County, IA, Palo Alto County, IA, Pocahontas County, IA, Poweshiek County, IA, Sac County, IA, Scott County, IA, Story County, IA, Tama County, IA, Webster County, IA, Winnebago County, IA, Winneshiek County, IA, Woodbury County, IA, Worth County, IA, Wright County, IA, Carroll County, IL, Jo Daviess County, IL, Rock Island County, IL, Stephenson County, IL, Whiteside County, IL, Crawford County, WI, Grant County, WI, Green County, WI, Iowa County, WI, Lafayette County, WI, Richland County, WI
The radar
The Des Moines radar (KDMX), 123 km from the middle of the area, began a volume at 06:30 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
Davenport, (KDVN), launched 00:00Z, 6.5 hours before the alert went out and 183 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1600 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 318 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Apr 2, 9:22 PM CDT | Severe Thunderstorm Watch | SPC | Carroll, Jo Daviess, Rock Island, Stephenson, Whiteside | 8 hr |
| Apr 2, 11:33 PM CDT | Mesoscale Discussion | SPC | Carroll, Jo Daviess, Ogle, Stephenson, Winnebago | 57 min |
| Apr 3, 4:05 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Bureau, Cass, Fulton, Hancock and 19 more | 55 min |
| Apr 3, 4:19 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Bureau, Fulton, Hancock, Henderson and 16 more | 6 hr |
| Apr 3, 7:17 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Calhoun, Cass, Fulton, Greene and 15 more | 88 min |
| Apr 3, 9:08 AM CDT | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Clinton and 26 more | 67 min |
| Apr 3, 9:46 AM CDT | Mesoscale Discussion | SPC | Bond, Calhoun, Christian, Clark, Clay, Clinton and 37 more | 29 min |
| Apr 3, 9:48 AM CDT | Severe Thunderstorm Watch | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 32 more | 6 hr |
| Apr 3, 11:04 AM CDT | Mesoscale Discussion | SPC | Alexander, Franklin, Gallatin, Hamilton, Hardin, Jackson and 11 more | 26 min |
| Apr 3, 11:51 AM CDT | Tornado Watch | SPC | Alexander, Bond, Clark, Clay, Clinton, Crawford and 30 more | 8 hr |
| Apr 3, 2:25 PM CDT | Mesoscale Discussion | SPC | Alexander, Bond, Clay, Clinton, Crawford, Edwards and 26 more | 65 min |
| Apr 2, 8:05 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Benton, Black Hawk and 86 more | 115 min |
| Apr 2, 11:40 PM CDT | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Cass, Clarke, Decatur and 11 more | 65 min |
| Apr 3, 12:03 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 24 more | 7 hr |
| Apr 3, 2:22 AM CDT | Mesoscale Discussion | SPC | Adair, Adams, Appanoose, Audubon, Cass, Clarke and 24 more | 53 min |
Nearby
Mesoscale Discussions in Iowa, 2007Mesoscale Discussions in Wisconsin, 2007Mesoscale Discussions in Illinois, 2007Every mesoscale discussion in 2007
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.