Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 181718
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
118 PM EDT Saturday, April 18, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
High pressure is currently hanging over the Ohio Valley providing generally
dry weather. Showers and thunderstorms will return Saturday night
through Monday as a couple weather systems roll through.  Much cooler air will
sweep through the basin for a few days this week after the main front pushes
through Monday.

...FLOOD POTENTIAL DISCUSSION...
Flooding continues in Kentucky, southern Indiana, and southern Illinois.
Moderate flooding is confined to one location on the Green River.
Additional minor flooding is possible in the western basin next week due to
a couple rainfall events late this weekend into early next week.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Very little observed through the Ohio River forecast basin.  A couple of tenths
fell in isolated areas of the far eastern basin.  Otherwise zero.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Widespread precipitation is predicted in the Ohio valley over the next 48
hours...principally late Saturday and early Sunday.  Upwards of an inch is
forecast for the central basin with half inch to three-quarters inch predicted
for most of the basin.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Saturday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Ohio River       Cannelton Dam         42         42.2    Steady
Ohio River       Tell City             38         41.5    Steady
Ohio River       Owensboro             40         40.9    Steady
Ohio River       Newburgh Lock &       38         44.8    Steady
Ohio River       Mount Vernon          35         41.6    Steady
Ohio River       J T Myers Dam         37         43.2    Steady
Ohio River       Shawneetown           33         41.8    Rising
Ohio River       Golconda              40         42.6    Steady
Green River      Brownsville           18         20.0    Falling
Green River      Woodbury              33         39.9    Falling
Green River      Paradise             380        388.7    Steady
Green River      Calhoun               23         26.0    Rising
White River      Petersburg            16         16.2    Falling
Wabash River     Princeton             18         19.3    Falling
Wabash River     New Harmony           15         15.3    Falling

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.
$$





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