Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 201755
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
155 PM EDT Friday, March 20, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
Low pressure now entering WV will exit the Ohio Valley later today, gradually
taking accompanying moisture with it. Light rain and snow showers currently
in progress over the eastern basin will come to an end completely overnight.
Quiet conditions are then expected for the next several days. The next
significant disturbance in the Ohio Valley will arrive around the middle of
next week.  A cold front could bring heavy rains and even some thunderstorms
Wednesday into Wednesday night.

...FLOOD POTENTIAL DISCUSSION...
Some minor flooding is lingering in the Muskingum watershed in central
Ohio, otherwise flooding is confined to the lower end of the Ohio Valley.
This includes the lower parts of the Wabash, Little Wabash, White, East Fork
White, Green, and Ohio Rivers. A handful of locations remain above moderate
flood stage.  Flooding could linger in some of these areas for at least
another week.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light rain showers (and some wintry precipitation north) produced a few
hundredths up to 0.25" across the northern and western basin.  Amounts were
heaviest in the southeast basin where 0.25" to 0.75" was observed.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Rain (and some snow in the NE) will linger today in the eastern basin. Up
to 0.25" additional precipitation is expected.  Elsewhere, conditions will
begin to dry out.  A weak system crossing the Great Lakes could bring a few
hundredths to the northeast basin on Day 2 of the forecast as well.

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Friday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Ohio River       Cannelton Dam         42         44.9    Falling
Ohio River       Tell City             38         44.2    Falling
Ohio River       Owensboro             40         43.9    Steady
Ohio River       Newburgh Lock &       38         47.4    Steady
Ohio River       Evansville            42         44.8    Steady
Ohio River       Mount Vernon          35         46.4    Steady
Ohio River       J T Myers Dam         37         49.4    Steady
Ohio River       Shawneetown           33         48.3    Steady
Ohio River       Golconda              40         48.6    Steady
Muskingum River  Coshocton             15         15.0    Steady
Muskingum River  Killbuck              15         15.2    Steady
Green River      Paradise             380        386.6    Steady
Green River      Calhoun               23         28.8    Steady
East Fork White  Rivervale             20         23.4    Falling
East Fork White  Bedford NWS           20         21.0    Falling
East Fork White  Williams               8          9.1    Falling
East Fork White  Shoals                20         21.3    Falling
White River      Petersburg            16         23.1    Falling
White River      Hazleton              16         24.0    Falling
Wabash River     Riverton              15         17.1    Falling
Wabash River     Princeton             18         20.6    Steady
Wabash River     Mount Carmel          19         24.5    Steady
Wabash River     New Harmony           15         18.3    Steady
Little Wabash Ri Carmi                 27         33.4    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.
$$
jm




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