Issued by NWS Ohio RFC
AGUS71 KTIR 041428
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
928 AM EST Sunday, December 4, 2016
A weather system will cross the Ohio Valley today. Rain will continue to lift
into the basin from the southwest. Rains will generally be light with this
system. Some precipitation will be in the form of snow in the northwest.
A more significant area of low pressure will lift through the basin from the
southwest on Tuesday. It will provide 1/2 to 1 inch of rain to much of the
Significantly colder air and more widespread chances of snow are forecast to
move into the basin behind this system late in the week and over the next
...FLOOD POTENTIAL DISCUSSION...
The threat of flooding is low at this time.
...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
A few light showers affected the far northeastern Ohio Valley, downwind of Lake
Elsewhere, rainfall moved into the basin from the south overnight with rain in
much of Kentucky and Tennessee as well as southern Illinois. Basin averages
increased to the south with 0.25 to 0.85 inch in middle Tennessee.
...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain, and some snow, is forecast across the entire Ohio Valley. Basin average
amounts generally increase to the south. Southern Illinois, southwestern
Indiana, most of Kentucky and Tennessee will see amounts greater than 0.50 inch.
Tennessee basin averages will reach near 1.50 inches.
...RIVER BASINS IN FLOOD...
Forecast precipitation graphics are available on the OHRFC Website
at the following address: http://weather.gov/ohrfc/ForecastPrecipitation