Alert archive / Wisconsin / Severe Thunderstorm Watches in 1997
Severe Thunderstorm Watch 658
The Storm Prediction Center issued this severe thunderstorm watch at Jul 26, 1997, 4:00 PM CDT for 25 counties in Wisconsin. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 26, 1997, 4:00 PM CDT (21:00 UTC)
- Expired
- Jul 26, 1997, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Adams County, WI, Calumet County, WI, Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Juneau County, WI, Kenosha County, WI, Manitowoc County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI, Waushara County, WI, Winnebago County, WI
The radar
The Milwaukee radar (KMKX), 88 km from the middle of the area, began a volume at 21:04 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
7 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 4:10 PM CDT | Severe Thunderstorm Warning | MKX | Columbia | 65 min |
| Jul 26, 4:33 PM CDT | Severe Thunderstorm Warning | MKX | Dane, Jefferson | 57 min |
| Jul 26, 5:03 PM CDT | Severe Thunderstorm Warning | MKX | Dodge | 57 min |
| Jul 26, 5:27 PM CDT | Severe Thunderstorm Warning | MKX | Jefferson, Waukesha | 63 min |
| Jul 26, 5:35 PM CDT | Severe Thunderstorm Warning | MKX | Walworth | 55 min |
| Jul 26, 5:41 PM CDT | Severe Thunderstorm Warning | MKX | Kenosha, Racine | 64 min |
| Jul 26, 5:41 PM CDT | Severe Thunderstorm Warning | MKX | Milwaukee, Ozaukee, Washington | 64 min |
The nearest sounding before it
Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.0 hours before the alert went out and 127 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
- 6 J/kg
- Mixed-layer CIN
- -429 J/kg
- Mixed-layer LCL
- 690 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 7:45 PM CDT | Tornado Watch | SPC | Adams, Columbia, Dane, Dodge, Fond du Lac, Green and 20 more | 5 hr |
| Jul 26, 11:00 AM CDT | Severe Thunderstorm Watch | SPC | Buffalo, Crawford, Grant, Jackson, La Crosse, Monroe and 3 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Wisconsin, 1997Every severe thunderstorm watch in 1997
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.