Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 241537
HMDTIR
 Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1037 AM EST Tuesday, February 24, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
High pressure over the Ohio Valley Tuesday morning allowed many areas north of
the Ohio River to drop below zero. A weak cold front will brush the northern
half of the basin tonight. While some light snow is expected in the far north
and east, most areas will remain snow-free.

Wednesday night into Thursday a disturbance will move through the region. The
bulk of the moisture will be southeast of the basin, though some very light
snowfall is possible across the area. Behind this system another shot of very
cold air will drop into the basin 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. Some significant snowmelt is expected,
especially in Kentucky and portions of West Virginia. Significant snow melt
isn`t expected in the northeast Ohio Valley.

...FLOOD POTENTIAL DISCUSSION...
Last weekend`s rainfall event across the southern Ohio Valley has resulted
in some minor flooding 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.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light precipitation is forecast to affect the northern, eastern and southern
portions 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.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Tuesday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Green River      Rochester Ferry       17         17.1    Steady
Green River      Paradise             380        381.7    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.
$$
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