Alert archive / Iowa / Mesoscale Discussions in 2005
Mesoscale Discussion 435
The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2005, 1:23 PM CST for 5 states. It was in force for 97 min.
The area
The outline as issued.
The facts
- Issued
- Mar 30, 2005, 1:23 PM CST (19:23 UTC)
- Expired
- Mar 30, 2005, 3:00 PM CST
- In force
- 97 min
- Issued by
- the Storm Prediction Center
All 67 counties
Allamakee County, IA, Benton County, IA, Black Hawk County, IA, Bremer County, IA, Buchanan County, IA, Cedar County, IA, Clayton County, IA, Clinton County, IA, Delaware County, IA, Des Moines County, IA, Dubuque County, IA, Fayette County, IA, Henry County, IA, Iowa County, IA, Jackson County, IA, Jefferson County, IA, Johnson County, IA, Jones County, IA, Keokuk County, IA, Lee County, IA, Linn County, IA, Louisa County, IA, Mahaska County, IA, Muscatine County, IA, Poweshiek County, IA, Scott County, IA, Tama County, IA, Van Buren County, IA, Wapello County, IA, Washington County, IA, Winneshiek County, IA, Bureau County, IL, Carroll County, IL, Fulton County, IL, Hancock County, IL, Henderson County, IL, Henry County, IL, Jo Daviess County, IL, Knox County, IL, Lee County, IL, Mason County, IL, McDonough County, IL, Mercer County, IL, Ogle County, IL, Peoria County, IL, Rock Island County, IL, Schuyler County, IL, Stark County, IL, Stephenson County, IL, Warren County, IL, Whiteside County, IL, Winnebago County, IL, Houston County, MN, Clark County, MO, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Grant County, WI, Green County, WI, Iowa County, WI, Jefferson County, WI, Lafayette County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Vernon County, WI
The radar
The Quad Cities radar (KDVN), 38 km from the middle of the area, began a volume at 19:23 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 12:00Z, 7.4 hours before the alert went out and 40 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
- 1316 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 140 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 |
|---|---|---|---|---|
| Mar 30, 10:46 AM CST | Mesoscale Discussion | SPC | Adams, Brown, Carroll, Cass, Fulton, Hancock and 14 more | 119 min |
| Mar 30, 11:05 AM CST | Tornado Watch | SPC | Bureau, Carroll, Fulton, Hancock, Henderson, Henry and 15 more | 5 hr |
| Mar 30, 12:08 PM CST | Mesoscale Discussion | SPC | Bond, Calhoun, Cass, Champaign, Christian, Clark and 49 more | 2 hr |
| Mar 30, 12:55 PM CST | Tornado Watch | SPC | Bond, Boone, Bureau, Champaign, Christian, Clark and 49 more | 7 hr |
| Mar 30, 2:15 PM CST | Tornado Watch | SPC | Boone, Bureau, Carroll, DeKalb, Henry, Jo Daviess and 11 more | 6 hr |
| Mar 30, 3:18 PM CST | Mesoscale Discussion | SPC | Boone, Champaign, Clark, Coles, Cook, Crawford and 28 more | 117 min |
| Mar 30, 3:54 PM CST | Mesoscale Discussion | SPC | Boone, Bureau, Carroll, Jo Daviess, Lee, McHenry and 4 more | 66 min |
| Mar 30, 5:24 PM CST | Mesoscale Discussion | SPC | Bond, Champaign, Christian, Clark, Clay, Coles and 30 more | 2 hr |
| Mar 30, 6:03 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Buena Vista, Calhoun and 32 more | 117 min |
| Mar 30, 8:40 AM CST | Severe Thunderstorm Watch | SPC | Adair, Adams, Audubon, Boone, Butler, Calhoun and 38 more | 5 hr |
| Mar 30, 10:50 AM CST | Mesoscale Discussion | SPC | Adair, Adams, Audubon, Boone, Calhoun, Carroll and 29 more | 85 min |
| Mar 30, 1:14 PM CST | Mesoscale Discussion | SPC | Boone, Butler, Cerro Gordo, Floyd, Franklin, Hamilton and 7 more | 61 min |
| Mar 30, 2:00 PM CST | Mesoscale Discussion | SPC | Boone, Butler, Cerro Gordo, Floyd, Franklin, Hamilton and 7 more | 30 min |
Nearby
Mesoscale Discussions in Iowa, 2005Mesoscale Discussions in Illinois, 2005Mesoscale Discussions in Wisconsin, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.