Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 281609
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1209 PM EDT Saturday, May 28, 2016

...HYDROMETEOROLOGICAL DISCUSSION...
Deep trough in the middle of the country and amplified ridge centered over the
east coast is bringing warm, humid air to the Ohio valley.  This regime is also
allowing periods of scattered showers and isolated thunderstorms to pop-up
through the Ohio River forecast basin, but principally more abundant in the
western half....through Indiana, Illinois, and western KY, TN, and OH.
This ridge will be tamped down somewhat as a low crosses well to the north of
the basin on Sunday, but the airmass will still remain warm and generally
humid.  This will be the status quo for the Ohio valley until a cold front will
finally make its way through the area late in the week, cooling things down and
sweeping out much of the moisture/humidity.

...FLOOD POTENTIAL DISCUSSION...
No flooding is expected at this time, save for an isolated thunderstorm laying
over a small, local basin for a irregularly long period.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Scattered areas of convective precipitation were observed along the western edge
of the Ohio River forecast area as well as middle TN, and KY.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Scattered, spotty areas of precipitation could occur in many areas of
the basin.  As is the nature of convective/summertime precipitation, however,
some areas will receive a healthy dose of quick accumulating rain while other
areas will not receive a drop. Today`s QPF is more concentrated in the western
basin where cores of a quarter to a half inch or forecast.  Other area are
forecast to receive less basin-average wise, but local showers could produce
locally heavy totals.

...RIVER BASINS IN FLOOD...
None.

Forecast precipitation graphics are available on the OHRFC Website
at the following address:  http://weather.gov/ohrfc/ForecastPrecipitation

$$





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