Hydrometeorological Discussion
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AGUS71 KTIR 011713
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
113 PM EDT Wednesday, April 1, 2015

...HYDROMETEOROLOGICAL DISCUSSION...
High pressure will keep the weather dry for one more day before showers and
thunderstorms move in on Thursday ahead of an approaching low pressure
system.  The low will track across the region Friday with heavy rain
expected Thursday night through Friday night. Conditions will quiet down
again this weekend, but more unsettled weather is anticipated next week.

...FLOOD POTENTIAL DISCUSSION...
Minor flooding continues at the bottom of the Little Wabash, although this
will end tonight.  The threat of flooding will rise significantly later
this week as a heavy rain event unfolds late Thursday through Friday night.
Amounts of 1" to 3" are forecast with locally heavier amounts possible in
thunderstorms.  The greatest threat of flooding is across the western basin.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light rain fell in the northeast Ohio Valley.  Parts of the Allegheny
watershed saw 0.25" to 0.50", otherwise amounts were light.  The majority
of the Ohio Valley was dry.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Amounts of 1" to 3" are forecast across southern IL, southern/central IN,
southern/central OH, and much of western/northern KY.  The majority of the
precipitation will fall on Day 2 of the forecast.  The northern tier of the
region will see 0.25" to 0.75" and the southern basin should see 0.10" to
0.50".

...RIVER BASINS IN FLOOD...
Points along the following river basins were in flood Wednesday morning:
 River Basin     Forecast Point   Flood Stage Latest Stg Tendency *
Little Wabash    Carmi                 27         27.4    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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