Issued by NWS Ohio RFC
AGUS71 KTIR 031413
Ohio River Basin Hydrometeorological Discussion
Ohio River Forecast Center, Wilmington, Ohio
913 AM EST Tuesday, December 3, 2013
A couple warm fronts will lift north across the basin today and Wednesday.
Widespread, light rain showers are expected with these disturbances.
On Wednesday night, a strong cold front will enter the basin. This feature
will push through much of the Ohio Valley before stalling over the
southeast Ohio Valley. A couple strong waves of low pressure will move
along the front, bringing rainfall to the southeastern half of the Ohio
River Valley into early Saturday. An accumulating snowfall can be expected on
the northern edge of the precipitation area. Before a brief break from the
rain Saturday into early Sunday, more rain will return late Sunday to the
southern basin and push northward through Monday night. Again, the
southeastern portion of the basin will be the hardest hit region.
...FLOOD POTENTIAL DISCUSSION...
The flood potential in the Ohio Valley is low through Thursday. Then, the
potential for river flooding will rise significantly along and south of the
...24-HR OBSERVED PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light showers produce around 0.15" or less across the northern half of the
Ohio Valley. Much of the southern half was dry.
...48-HR FORECAST PRECIPITATION USED IN TODAY`S RIVER FORECASTS...
Light showers are forecast to produce amounts under 0.25" across the Ohio
Valley. The higher end totals are forecast across the western basin,
while much of the eastern basin could remain dry.
...RIVER BASINS IN FLOOD...
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