The National Weather Service in Green Bay issued a Flood Advisory at 4:49 a.m. CDT on September 4, effective until 8:45 a.m. CDT, for northwestern Calumet County, northern Winnebago County, and southern Outagamie County in east central Wisconsin. Doppler radar indicated heavy rain from thunderstorms, with 1 to 3 inches already fallen and up to 1 inch more expected, leading to minor flooding in poor drainage areas.
KEY FACTS
- The advisory covers northwestern Calumet, northern Winnebago, and southern Outagamie counties until 8:45 a.m. CDT.
- Between 1 and 3 inches of rain have fallen, with additional amounts up to 1 inch possible.
- Minor flooding is ongoing or expected shortly in low lying and poor drainage areas.
- Affected locations include Appleton, Menasha, Kaukauna, Little Chute, Kimberly, and Neenah.
- The National Weather Service advises residents to monitor conditions and avoid flooded areas.
CONTEXT
The advisory was issued after Doppler radar detected thunderstorms producing heavy rainfall early Wednesday morning. The affected region includes parts of the Fox Valley, a densely populated area in east central Wisconsin. The National Weather Service notes that minor flooding typically affects roads, culverts, and other low lying areas, potentially causing hazardous driving conditions. The advisory is set to expire at 8:45 a.m., but additional rainfall could prolong or worsen conditions. Residents are encouraged to check the latest forecasts and heed any further warnings. The weather service also provides flood safety information on its website.
WHY IT MATTERS
This advisory signals potential travel disruptions and localized flooding for thousands of residents in the Fox Valley during the morning commute. Even minor flooding can make roads impassable and pose risks to drivers and pedestrians. Understanding the scope and timing of the advisory helps people take precautions, such as allowing extra travel time or avoiding known flood prone routes.
WHAT TO WATCH
- Monitor local weather updates for possible extensions or upgrades to the advisory.
- Watch for road closures or flooding in low lying areas, especially underpasses and near streams.
- Be alert for additional thunderstorms that could bring more rain to the region.
- Check the National Weather Service website for the latest flood safety information.