Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

The river gauge at the South Branch Rock River at Waupun has been discontinued. It was operated in cooperation with the City of Waupun and the USGS. The NWS has flood stages established for that site corresponding to flood impacts. The NWS does not issue river water level forecasts for that location, however we issue river flood warnings when the river level exceeds the flood stage. The river flood warnings message the flood hazards at the known water level. Since there are no longer observed flood levels, the NWS will no longer issue river flood warnings for that location.

If there is observed flooding or expected flooding in the area based either on reports or radar estimated precipitation, we will issue a flood advisory, flood warning, or flash flood warning for the area of concern. The wording will highlight the hazard but will not mention a specific river level or impacts tied to that river level as listed on the NWS Water Prediction Service page for Waupun.

The nearest river gauge site is West Branch Rock River near Waupun, courtesy of the U.S. Fish and Wildlife Service.

Please contact sarah.marquardt@noaa.gov with any questions.

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Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

River Gauge At South Branch Rock River At Waupun Discontinued