Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 121724
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
124 PM EDT Sunday, April 12, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
High pressure over the eastern U.S. is bringing another dry and sunny
day to the Ohio Valley.  The high will drift off to the east, making
way for a cold front advancing from the Plains states.  The cold front
will sweep across the basin on Monday.  It will be joined by a
disturbance moving northeast from the lower Mississippi Basin.  This
system will push slowly across the Ohio Basin, staying mainly south
of the Ohio river.  These two systems will combine to bring showers
and some thunderstorms to the region on Monday into Tuesday.  Rain is
expected across the entire Ohio Basin, with the heaviest amounts
falling south of the Ohio River.

...FLOOD POTENTIAL DISCUSSION...
Minor flooding is occurring at several locations across the basin, while
moderate flooding continues at one location.  With more rain expected
on Monday and Tuesday, flood potential will remain high through the
coming week.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Very light rain fell on part of western Pennsylvania early Saturday.
Rainfall amounts were just a few hundredths of an inch.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
For the period 8am EDT Sunday through 8am EDT Monday, light rain is
forecast over parts of eastern Illinois and western Indiana.  24-hour
basin average amounts are expected to be around 0.10 inch and less.
For the period 8am Monday through 8am Tuesday, rain will be spreading
across the basin.  Heaviest amounts are forecast to be 0.75 inch to 1.00
inch, over northern middle Tennessee and southwest Virginia.  Amounts of
0.50 to 0.75 inch are forecast over southern Kentucky and part of
southwest Virginia.  Lighter amounts are forecast across the remainder
of the basin.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Sunday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Ohio River       Belleville L&D        35         36.0    Falling
Ohio River       Racine Lock & D       41         41.6    Falling
Ohio River       Point Pleasant        40         40.9    Falling
Ohio River       Newburgh Lock &       38         42.9    Steady
Ohio River       Mount Vernon          35         40.4    Steady
Ohio River       J T Myers Dam         37         42.0    Steady
Ohio River       Shawneetown           33         40.5    Steady
Ohio River       Golconda              40         41.0    Steady
Muskingum River  Uhrichsville           5          5.5    Falling
Muskingum River  Coshocton             15         15.3    Steady
Muskingum River  Cambridge             15         16.5    Falling
Muskingum River  Killbuck              15         16.2    Falling
Scioto River     Prospect               9          9.9    Falling
Green River      Paradise             380        380.8    Steady
East Fork White  Seymour               12         14.8    Falling
White River      Spencer               14         16.8    Falling
White River      Elliston              18         23.3    Falling
White River      Newberry              13         16.6    Steady
White River      Edwardsport           15         18.5    Rising
White River      Petersburg            16         19.8    Steady
Wabash River     Montezuma             14         14.5    Steady
Wabash River     Riverton              15         16.3    Steady
Wabash River     Lawrenceville         30         30.1    Steady
Wabash River     Princeton             18         22.2    Steady
Wabash River     Mount Carmel          19         20.8    Rising
Wabash River     New Harmony           15         15.9    Steady
Little Wabash Ri Clay City             18         19.6    Steady
Little Wabash Ri Carmi                 27         29.7    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.
$$
MGB




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