Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 201643
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1243 PM EDT Tuesday, June 20, 2017

...HYDROMETEOROLOGICAL DISCUSSION...
The next significant weather system to affect the Ohio Valley will be a tropical
system moving into the southern half of the basin last in the work week into the
early part of the weekend.  This has the potential for being a very heavy rain
event and triggering significant flooding south of the Ohio River.  Confidence
in this event is higher than normal.

...FLOOD POTENTIAL DISCUSSION...
New flooding from the upcoming tropical system is likely to occur in the basin,
though it is a bit early to pinpoint where in the basin.  The southern half of
the basin has the greatest potential.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rainfall was heaviest is West Virginia.  Amounts over a large part of that start
exceeded an inch.  The remainder of the Appalachians averaged about a half inch
of rain.  Generally, a quarter of an inch of rain fell in the remaining basin
north of the Ohio River.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rainfall amounts up to a quarter of an inch are forecast in Middle Tennessee in
the predawn hours of Thursday morning as the leading edge of that tropical
system begins to push into the southern basin.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Tuesday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Wabash River     Covington             16         17.0    Falling
Wabash River     Montezuma             14         15.9    Falling
Wabash River     Terre Haute           14         14.3    Steady
Wabash River     Riverton              15         15.5    Steady

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.
$$
Mark J. Fenbers




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