Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 141429
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
929 AM EST Friday, November 14, 2014

...HYDROMETEOROLOGICAL DISCUSSION...
Though high pressure will build into the region from the west today and
Saturday, lake effect snow showers will continue to affect areas to the
southeast of Lake Erie. These will finally taper off on Saturday.

Some very light snows are possible again late Saturday into Sunday as a warm
front lifts north through the area. .

A more significant wave will move through the southeastern Ohio Valley Sunday
night. This is expected to bring modest rains to the southeastern Ohio Valley
and some snow to the middle Ohio Valley.

Behind this wave, arctic air will push into the basin resulting in temperatures
much colder than normal for the first half of next week.

Temperatures are expected to moderate to closer to normal by the end of next
week. There is the potential for a rain event to affect the Ohio Valley by the
end of next week and into that weekend.

...FLOOD POTENTIAL DISCUSSION...
The flood potential is low through this week.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Some very light snow accumulations fell across a widespread portion of the
basin, with most liquid equivalent amounts less than 0.05 inch. In the
immediate vicinity of Lake Erie in northeastern Ohio, northwestern Pennsylvania
and far western New York, snows were much heavier. Some liquid equivalent
basin averages were in the 1.00 to 1.25 inch range.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Measurable precipitation is forecast generally north of the Ohio River, as well
as in northeastern West Virginia. Most basin averages will be less than 0.10
inch, but portions of northeastern Ohio, northwestern Pennsylvania and far
western New York will see lake effect snows with liquid equivalent basin
average amounts of 0.20 to 0.30 inch.

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

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

$$
Link Crawford




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