Alert archive / Wisconsin / Mesoscale Discussions in 2005
Mesoscale Discussion 2019
The Storm Prediction Center issued this mesoscale discussion at Aug 18, 2005, 5:47 PM CDT for 30 counties in Wisconsin. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2005, 5:47 PM CDT (22:47 UTC)
- Expired
- Aug 18, 2005, 6:45 PM CDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 30 counties
Adams County, WI, Columbia County, WI, Crawford County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Grant County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Juneau County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Monroe County, WI, Ozaukee County, WI, Portage County, WI, Racine County, WI, Richland County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Vernon County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Milwaukee radar (KMKX), 109 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 145 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
- 206 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 995 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 90 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 |
|---|---|---|---|---|
| Aug 18, 9:00 AM CDT | Mesoscale Discussion | SPC | Kenosha, Racine, Rock, Walworth | 2 hr |
| Aug 18, 2:09 PM CDT | Mesoscale Discussion | SPC | Adams, Columbia, Crawford, Dane, Dodge, Grant and 16 more | 96 min |
| Aug 18, 2:50 PM CDT | Tornado Watch | SPC | Adams, Columbia, Crawford, Dane, Grant, Green and 15 more | 6 hr |
| Aug 18, 5:50 PM CDT | Tornado Watch | SPC | Dodge, Fond du Lac, Green Lake, Jefferson, Kenosha, Walworth and 2 more | 5 hr |
Nearby
Mesoscale 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.