Alert archive / Wisconsin / Mesoscale Discussions in 2007
Mesoscale Discussion 341
The Storm Prediction Center issued this mesoscale discussion at Mar 25, 2007, 5:01 PM CDT for Gogebic County, Iron County, Michigan; 21 counties in Wisconsin. It was in force for 59 min.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2007, 5:01 PM CDT (22:01 UTC)
- Expired
- Mar 25, 2007, 6:00 PM CDT
- In force
- 59 min
- Issued by
- the Storm Prediction Center
All 23 counties
Gogebic County, MI, Iron County, MI, Brown County, WI, Calumet County, WI, Florence County, WI, Fond du Lac County, WI, Forest County, WI, Green Lake County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Green Bay radar (KGRB), 94 km from the middle of the area, began a volume at 22:05 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
Green Bay/Straub, WI (KGRB), launched 12:00Z, 10.0 hours before the alert went out and 96 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
- 572 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 252 m²/s²
- 0-3 km storm-relative helicity
- 343 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 25, 5:19 PM CDT | Tornado Watch | SPC | Dickinson, Gogebic, Iron, Menominee, Ontonagon | 4 hr |
| Mar 25, 1:48 PM CDT | Mesoscale Discussion | SPC | Barron, Buffalo, Burnett, Chippewa, Clark, Dunn and 12 more | 87 min |
| Mar 25, 2:54 PM CDT | Tornado Watch | SPC | Adams, Ashland, Barron, Bayfield, Buffalo, Burnett and 23 more | 6 hr |
| Mar 25, 5:57 PM CDT | Mesoscale Discussion | SPC | Chippewa, Clark, Eau Claire, Jackson, Pepin, Taylor | 63 min |
Nearby
Mesoscale Discussions in Wisconsin, 2007Mesoscale Discussions in Michigan, 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.