Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 251506
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1006 AM EST Wednesday, February 25, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
Tonight into Thursday a disturbance will move southeast of the region. The
bulk of the moisture will be southeast of the basin, though some very light
snowfall is possible south of the Ohio River. Behind this system another cold
front will bring some light snow to the north along with another shot of very
cold air resulting in below normal temperatures through Saturday morning.

Finally, by late Saturday and into Sunday, warmer air will begin to be drawn
into the basin from the southwest. Higher temperatures and rains are forecast
along and south of the Ohio River. Another weather system is forecast to move
through the area late Tuesday and Wednesday. This one is expected to be even
warmer than the system on Sunday. These two systems are expected to produce
some significant snowmelt, especially in the middle and southern portions of
the basin. Significant snow melt isn`t expected in the northeast Ohio Valley.

...FLOOD POTENTIAL DISCUSSION...
Some minor flooding continues in the Green watershed. The threat for
additional flooding will be low this week with cold weather in place.
The flood risk will rise significantly next week with warmer and wetter
conditions forecast.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light snowfall affected portions of northern Ohio, northwestern Pennsylvania,
western New York, southeastern Kentucky, southern West Virginia and far western
Virginia. Liquid-equivalent basin average amounts were 0.10 inch or less.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light precipitation is forecast to affect much of the basin. All areas will
be 0.25 inch or less. Precipitation type will be snow, with the exception of
some rain possible along the far southern edge of the basin.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Wednesday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Green River      Paradise             380        381.8    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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