Alert archive / Wisconsin / Mesoscale Discussions in 2007
Mesoscale Discussion 1583
The Storm Prediction Center issued this mesoscale discussion at Jul 26, 2007, 12:33 PM CDT for Gogebic County, Michigan; 25 counties in Wisconsin. It was in force for 87 min.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 2007, 12:33 PM CDT (17:33 UTC)
- Expired
- Jul 26, 2007, 2:00 PM CDT
- In force
- 87 min
- Issued by
- the Storm Prediction Center
All 26 counties
Gogebic County, MI, Adams County, WI, Calumet County, WI, Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Forest County, WI, Green Lake County, WI, Iron County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marquette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Price County, WI, Shawano County, WI, Taylor County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Green Bay radar (KGRB), 118 km from the middle of the area, began a volume at 17:34 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, 5.6 hours before the alert went out and 119 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
- 1156 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
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 |
|---|---|---|---|---|
| Jul 26, 12:55 PM CDT | Mesoscale Discussion | SPC | Barron, Bayfield, Buffalo, Burnett, Chippewa, Douglas and 9 more | 65 min |
| Jul 26, 1:16 PM CDT | Severe Thunderstorm Watch | SPC | Ashland, Barron, Bayfield, Burnett, Chippewa, Douglas and 11 more | 8 hr |
| Jul 26, 3:43 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 35 more | 7 hr |
| Jul 26, 4:05 PM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Burnett, Chippewa, Douglas and 12 more | 55 min |
| Jul 26, 6:11 PM CDT | Mesoscale Discussion | SPC | Chippewa, Clark, Eau Claire, Jackson, Marathon, Portage and 3 more | 94 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.