Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

A frigid cold airmass will bring significantly colder weather across the eastern two thirds of the country early this week. Record low temperatures are expected in the Southeast by Tuesday morning. Moderate to heavy lake effect snow will continue downwind of the Great Lakes through Monday. Several inches of snow accumulation is expected, including in portions of the Chicago Metro Read More >

Effective on October 31, 2023, the National Weather Service in Louisville in coordination with the Ohio River Forecast Center will begin daily forecast services for the Green River at Mammoth Cave at the request of Mammoth Cave National Park. Daily forecasts for the Green River at Mammoth Cave will be available on the National Weather Service webpage:

https://water.weather.gov/ahps2/hydrograph.php?wfo=lmk&gage=mmck2

The following flood stages have been established at Mammoth Cave, KY:

Action: 20 ft
Minor: 32 ft
Moderate: 57 ft
Major: 62 ft

Forecasts for the Green River at Mammoth Cave will be issued daily, and Flood Warnings will be issued when water levels are expected to reach or exceed the Minor Flood Stage level of 32 feet.

If you have any questions or comments on this new service, please contact:

Andrea Schoettmer, Senior Service Hydrologist
National Weather Service Forecast Office
6201 Theiler Lane
Louisville, KY 40229
Phone: 502-969-8842
E-Mail: andrea.schoettmer@noaa.gov

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Frigid Airmass to Bring Significantly Colder Temperatures; Snow Continues Downwind of the Great Lakes

New River Forecast Point at Mammoth Cave starting Oct 31, 2023