Issued by NWS Ohio RFC
AGUS71 KTIR 301720
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1220 PM EST Monday, November 30, 2015
A slow moving cold front that pushed through the Ohio Valley remains along the
southern edge of the basin. Intermittent waves of low pressure will move
along the front bringing an extended period of rain to the southern basin. This
will move east of the area by Wednesday.
A low pressure system will pass across the Great Lakes on Wednesday and early
Thursday. This will provide some minor shower activity across the north.
High pressure will build into the Ohio Valley later in the week bringing an
end to the wet conditions. The next significant precipitation in the Ohio
Valley isn`t expected until early next week.
...FLOOD POTENTIAL DISCUSSION...
Minor flooding continues in the Little Wabash Watershed of southern Illinois.
The flood potential will increase across the southern basin by mid-week in
response to today and Tuesday`s rainfall. Any flooding that does develop would
be minor in nature.
...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain was mostly confined south of the Ohio River. Amounts increased to the
south with basin averages in middle Tennessee ranging from 0.50 to 2.50
...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain is again forecast across the entire basin. Amounts will increase to the
southeast with totals ranging from 1.00 to 2.50 inches in the southeast half
of Kentucky, much of West Virginia, middle Tennessee and far western Virginia.
...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Monday morning:
River Basin Forecast Point Flood Stage Latest Stg Tendency *
Little Wabash Clay City 18 19.8 Steady
Forecast precipitation graphics are available on the OHRFC Website
at the following address: http://weather.gov/ohrfc/ForecastPrecipitation
* Tendency based on observed value and a 1-day forecast.