Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 021548
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1048 AM EST Friday, December 2, 2016

...HYDROMETEOROLOGICAL DISCUSSION...
Low pressure over the northeastern Great Lakes will linger into the early half
of the weekend. A weak disturbance around that low will brush the northeastern
Ohio Valley, keeping rain and snow showers going across the north today and
tomorrow. Showers will be enhanced to the lee of Lake Erie. Elsewhere, high
pressure building in from the west will keep much of the region dry into the
weekend.

Another weather system will cross the Ohio Valley on Sunday. Rain will lift
into the southern basin well ahead of this system on Saturday night. No
excessive rain is expected from this system.

A more significant system will lift through the basin from the southwest on
Tuesday.

The active patter will continue later in the week as the strongest system of
the series is expected to pass through the basin late in the week.
Significantly colder air is forecast to move into the basin behind this system
late next week.

...FLOOD POTENTIAL DISCUSSION...
The threat of additional flooding will remain low this week through the
weekend, but will increase again late next week.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Lake effect rain and snow showers affected the northern fringes of the Ohio
Valley. Basin average amounts were generally less than 0.10 inch, but some
totals along the lake shore and just inland in northwestern Pennsylvania and
western New York ranged up to just under an inch of liquid equivalent
precipitation.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Precipitation is forecast over the northeast and southwest quadrants of the
basin. Basin average amounts in the northeast will generally be light, though
some local basins will range from 0.10 to 0.30 inch. in the southwest basin
averages will be less than 0.25 inch.

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

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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