Alert archive / Wisconsin / Mesoscale Discussions in 2004
Mesoscale Discussion 1400
The Storm Prediction Center issued this mesoscale discussion at Jun 23, 2004, 6:34 PM CDT for 20 counties in Wisconsin. It was in force for 116 min.
The area
The outline as issued.
The facts
- Issued
- Jun 23, 2004, 6:34 PM CDT (23:34 UTC)
- Expired
- Jun 23, 2004, 8:30 PM CDT
- In force
- 116 min
- Issued by
- the Storm Prediction Center
Counties Adams County, WI, Calumet County, WI, Columbia County, WI, Dodge County, WI, Fond du Lac County, WI, Green Lake County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Marquette County, WI, Monroe County, WI, Ozaukee County, WI, Portage County, WI, Sauk County, WI, Sheboygan County, WI, Vernon County, WI, Washington County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI
The radar
The Milwaukee radar (KMKX), 122 km from the middle of the area, began a volume at 23:34 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, 11.6 hours before the alert went out and 131 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
- 1093 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 147 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 |
|---|---|---|---|---|
| Jun 23, 10:17 AM CDT | Mesoscale Discussion | SPC | Ashland, Barron, Bayfield, Burnett, Douglas, Dunn and 4 more | 118 min |
| Jun 23, 11:23 AM CDT | Mesoscale Discussion | SPC | Green, Jefferson, Kenosha, Lafayette, Milwaukee, Racine and 3 more | 2 hr |
| Jun 23, 3:45 PM CDT | Mesoscale Discussion | SPC | Adams, Buffalo, Columbia, Crawford, Dane, Dodge and 26 more | 90 min |
| Jun 23, 4:05 PM CDT | Severe Thunderstorm Watch | SPC | Adams, Barron, Buffalo, Chippewa, Clark, Dunn and 17 more | 5 hr |
| Jun 23, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Columbia, Crawford, Dane, Dodge, Grant, Green and 13 more | 6 hr |
| Jun 23, 6:40 PM CDT | Severe Thunderstorm Watch | SPC | Brown, Calumet, Door, Fond du Lac, Green Lake, Kewaunee and 9 more | 5 hr |
Nearby
Mesoscale Discussions in Wisconsin, 2004Every mesoscale discussion in 2004
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.