Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 221826
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
126 PM EST Wednesday, February 22, 2017

...HYDROMETEOROLOGICAL DISCUSSION...
A low pressure system south of the Ohio Valley will continue to move east,
resulting in light rain showers gradually exiting the basin to the east.

Another low pressure system will exit the Rocky Mountains and move into the
central plains tonight and Thursday. Ahead of this low, a warm front will
develop over the northern Ohio Valley, becoming a focus for light rainfall to
develop. As the low approaches the Ohio Valley on Friday, the warm front will
lift into the Great Lakes. Friday night a cold front associated with the low
will reach the western Ohio Valley. Strong storms are expected to develop ahead
of and along the cold front. The front will move through the basin Friday night
and exit to the east early Saturday. The front will push the unseasonably warm
temperatures out of the basin with more seasonable conditions returning.

A disturbance is forecast to move through the basin on Monday providing some
modest amounts of rainfall. Another more significant low pressure system is
expected to develop and move through the basin around mid-next week.

...FLOOD POTENTIAL DISCUSSION...
Flood potential will remain low through the weekend.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light rain was scattered over much of the Ohio Valley with basin averages
generally less than 0.05 inch. Portions of southern Indiana, southwestern Ohio,
Kentucky and southern West Virginia received basin averages ranging from 0.10
inch to 0.40 inch.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain is forecast over most of the Ohio Valley, with the far southwest being the
dry exception. Basin average amounts increase to the north with northern
portions of Indiana, Ohio and Pennsylvania expecting 0.25 to 0.35 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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