Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 261557
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1057 AM EST Thursday, February 26, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
Scattered, light snow showers are forecast across a good portion of the
northern and eastern Ohio Valley today before higher pressure builds in for
Friday and Saturday.  Beginning 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 into early Monday.
Snow is expected across the northern basin.

There will be a brief respite late Monday, but another weather system is
forecast to move through the area Tuesday and Wednesday. This disturbance
is expected to be even warmer and wetter than the first. These two systems are
expected to produce some significant snowmelt, especially in the middle and
southern portions of the basin.

...FLOOD POTENTIAL DISCUSSION...
All flooding has ended across the southern basin. The threat of new
flooding is low through the end of the month. The flood risk will rise
significantly next week with warmer and wetter conditions forecast,
particularly with the second system midweek.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light snow fell across the northwest and northeast corners of the region.
Liquid equivalent amounts were around 0.10" or less. Snow was also observed
in the southeast basin with slightly heavier amounts of 0.25" or less with
locally heavier amounts in the New River basin up to 0.50".

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light snow is forecast across the northern and eastern Ohio Valley. Liquid
equivalent amounts will be 0.10" or less, on average. Much of the southern
basin will be dry through the period.

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

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

$$
jm




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