Hydrometeorological Discussion
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090
AGUS71 KTIR 141755
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1255 PM EST Saturday, January 14, 2017

...HYDROMETEOROLOGICAL DISCUSSION...
A stationary front draped over the Tennessee Valley will help generate mainly
light rain across parts of the Ohio Valley today. High pressure will build in
from the northwest on Sunday, squashing any rainfall chances down to the
southern half of the region. The front will lift northward early next week
as a warm front. Rain will become more widespread by Monday night.

On Tuesday, strong low pressure will lift from the Mid-MS Valley into the
Great Lakes pushing a cold front into our region. The front will get
hung up until a secondary wave of low pressure arrives Tuesday night,
finally allowing the front to exit the region Wednesday. Because of the
slow moving nature of the frontal boundary, rainfall amounts could be
excessive, particularly for areas south of the Ohio River. Relatively drier
conditions should return for the latter half of the work week.

...FLOOD POTENTIAL DISCUSSION...
Minor flooding from recent rainfall is forecast and/or continues across parts
of Indiana, eastern IL, northern/central OH, northwest PA, and western NY.
The flood potential elsewhere will remain low for the next couple days.
More widespread flooding is possible early-mid next week as persistent,
heavy rain develops.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain affected all but the far northern Ohio Valley. Amounts were generally
light with most locations receiving under 0.25".  There were some small
stripes of heavier precipitation of 0.25" to 0.75" in eastern IL, southern
IN, western KY, and WV.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light rain is forecast for the southern 2/3rds of the Ohio Valley. Most
places will see under 0.25".  Parts of WV, as well as areas near the lower
end of the Ohio Valley could see 0.25" to 0.50" through Monday morning.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Saturday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Allegheny River  Olean                 10         11.6    Falling
Allegheny River  Meadville             14         14.4    Falling
Muskingum River  Killbuck              15         15.0    Steady
Scioto River     La Rue                11         11.0    Falling
Scioto River     Prospect               9          9.3    Steady
Wabash River     West Lafayette        11         13.2    Falling
Wabash River     Covington             16         17.0    Steady
Wabash River     Montezuma             14         14.8    Steady
Maumee River     Newville              12         12.1    Steady
Maumee River     Stryker               11         12.0    Steady
Great Lakes      Painesville            8          8.0    Falling

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.
$$
jm




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