Issued by NWS Ohio RFC
AGUS71 KTIR 291514
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1114 AM EDT Tuesday, September 29, 2015
A low pressure system will lift northeast through the eastern Ohio Valley today
and tonight. Associated with it, a cold front will move through the region. The
system will bring widespread rainfall today that will slowly creep eastward.
The persistent nature of the rain in the eastern Ohio Valley will result in
some significant rainfall totals.
Unsettled weather will persist across the southeastern basin the rest of the
work week as a trough deepens over the eastern US. Meanwhile, strengthening
high pressure should keep the western half of the basin dry.
There is some potential that moisture from tropical storm Joaquin may interact
with the trough late in the week and over the weekend. While the details of
such an interaction are unknown at this time, it does offer the potential for
more significant rainfall over the upcoming weekend--especially in the eastern
...FLOOD POTENTIAL DISCUSSION...
The river flood potential will continue to be low.
...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain was widespread across the Ohio Valley, but in most areas it was fairly
light at less than 0.25 inch. There were pockets of heavier rainfall totals.
Portions of western and middle Kentucky as well as far western Virginia saw
some basin average totals in the 1-2 inch range.
...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain is expected across virtually the entire forecast area. Basin average
amounts will increase to the east with a range of 1.50 to nearly 2.50 inches in
portions of western Pennsylvania and West Virginia.
...RIVER BASINS IN FLOOD...
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.