Hydrometeorological Discussion
Issued by NWS Ohio RFC

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AGUS71 KTIR 221647
HMDTIR
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
1247 PM EDT Wednesday, May 22, 2013

...HYDROMETEOROLOGICAL DISCUSSION...
Showers and thunderstorms will be common in the Ohio Valley through Thursday.
Atmospheric disturbances will propagate along a slowly advancing cold front
which was just entering the western edge of the Ohio Valley at midday Wednesday.

...FLOOD POTENTIAL DISCUSSION...
New flooding is not expected from the rainfall in the Ohio Valley this week,
although rivers in the western basin will see some significant rises.  The
heaviest rains should be isolated and infrequent enough not to produce river
flooding, although small stream flooding and urban flooding is still very
possible.

...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Thunderstorm activity was widespread in the southern half of the basin yesterday
where 1 inch or more of rain was common in some regions.  Scattered showers and
thunderstorms were also observed in the northern part of the area.

...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Over an inch of rain is forecast over parts of West Virginia through Friday
morning, but most of this activity will occur overnight tonight.  The remainder
of the basin will see the threat of rain diminish gradually from west to east.

...RIVER BASINS IN FLOOD...
None.

Detailed precipitation graphics and other maps are available on the HAS Support
Page at this web address:  http://weather.gov/ohrfc/HAS

QPF from OHRFC, HPC, et al., can be seen at weather.gov/ohrfc/Forecast.php

$$
Mark J. Fenbers
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