Hydrometeorological Discussion
Issued by NWS Ohio RFC

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935
AGUS71 KTIR 211829
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
129 PM EST Tuesday, November 21, 2017

...HYDROMETEOROLOGICAL DISCUSSION...
A cold front will pass through the Ohio Valley Tuesday night and Wednesday
morning resulting in some light showers across the northern half of the basin.
High pressure will build into the region behind the front resulting in
primarily dry weather on Thanksgiving and Friday.

A disturbance will move through the northern Great Lakes over the weekend, but
the only precipitation in the Ohio Valley will be some showers in the far
northeastern part of the basin.

Not until mid-next week does there appear to be a weather system that will
produce precipitation across the entire Ohio Valley, but even this should be
fairly light in nature.

...FLOOD POTENTIAL DISCUSSION...
Rainfall over this past weekend has resulted in some new significant river
rises. Several points are still in flood in Indiana and Ohio. With little to no
precipitation over the next week, the potential for new flooding is low.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Almost none. A few hundredths of an inch of liquid equivalent precipitation
fell over far western New York.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
The northern half of the Ohio Valley will see basin average amounts of less
than 0.25 inch.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Tuesday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Killbuck Creek   Killbuck              15         15.6    Falling
Scioto River     Prospect               9         11.3    Falling
Scioto River     Circleville           15         15.4    Falling
White River      Nora                  11         11.2    Falling
Wabash River     West Lafayette        11         16.2    Falling
Wabash River     Covington             16         21.6    Steady
Wabash River     Montezuma             14         18.7    Rising
Wabash River     Terre Haute           14         16.0    Rising
Wabash River     Riverton              15         15.2    Rising
St. Joseph River Newville              12         12.2    Steady
st. Marys River  Decatur               17         18.2    Rising
Tiffin River     Stryker               11         12.8    Steady
Auglaize River   Fort Jennings         13         13.3    Falling
Maumee River     Defiance              10         12.1    Falling
Portage River    Woodville              9         10.9    Falling
Sandusky River   Tiffin                 9          9.3    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.
$$
Link Crawford




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