Alert archive / Wisconsin / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 167
The Storm Prediction Center issued this severe thunderstorm watch at May 8, 2004, 6:25 PM CDT for 31 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- May 8, 2004, 6:25 PM CDT (23:25 UTC)
- Expired
- May 9, 2004, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 31 counties
Adams County, WI, Calumet 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, Manitowoc County, WI, Marquette County, WI, Milwaukee County, WI, Monroe County, WI, Ozaukee 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), 96 km from the middle of the area, began a volume at 23:28 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.
Warnings issued inside it
9 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 7:44 PM CDT | Flash Flood Warning | MKX | Fond du Lac, Green Lake, Marquette, Sauk, Sheboygan | 4 hr |
| May 8, 8:02 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 58 min |
| May 8, 8:52 PM CDT | Flash Flood Warning | ARX | Crawford, Vernon | 3 hr |
| May 8, 8:57 PM CDT | Severe Thunderstorm Warning | ARX | Crawford | 63 min |
| May 8, 9:42 PM CDT | Severe Thunderstorm Warning | MKX | Sauk | 63 min |
| May 8, 10:04 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Waukesha | 41 min |
| May 8, 10:14 PM CDT | Severe Thunderstorm Warning | MKX | Columbia, Dane | 61 min |
| May 8, 10:22 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine, Walworth | 53 min |
| May 8, 11:39 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 51 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 11.4 hours before the alert went out and 183 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
- 269 J/kg
- Mixed-layer CIN
- -340 J/kg
- Mixed-layer LCL
- 957 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 248 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 8:20 PM CDT | Mesoscale Discussion | SPC | Crawford, Dane, Grant, Green, Iowa, Jefferson and 7 more | 85 min |
| May 8, 12:26 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 34 more | 64 min |
| May 8, 12:50 AM CDT | Severe Thunderstorm Watch | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 29 more | 6 hr |
| May 8, 3:36 AM CDT | Mesoscale Discussion | SPC | Adams, Brown, Buffalo, Calumet, Clark, Columbia and 31 more | 54 min |
| May 8, 5:35 AM CDT | Mesoscale Discussion | SPC | Adams, Calumet, Columbia, Crawford, Dodge, Fond du Lac and 12 more | 55 min |
| May 8, 5:08 PM CDT | Mesoscale Discussion | SPC | Calumet, Columbia, Dane, Dodge, Fond du Lac, Green Lake and 10 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Wisconsin, 2004Every severe thunderstorm watch 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.