Extended Streamflow Guidance
Issued by NWS Ohio RFC

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915
FGUS61 KTIR 291840
ESGTIR
WATER RESOURCES OUTLOOK
NATIONAL WEATHER SERVICE
OHIO RIVER FORECAST CENTER WILMINGTON OH
245 PM EDT Wednesday March 29 2017

THE FOLLOWING IS THE 30-DAY WATER RESOURCES OUTLOOK FOR April


...WATER RESOURCES STREAMFLOW OUTLOOK...

Above normal streamflows are expected for the drainages into Lake
Erie as well as the headwaters of the Allegheny watershed.
Elsewhere...streamflows are forecast to average near normal during
April.

.....................................................................

...HYDROLOGIC FLOOD AND DROUGHT POTENTIAL...

The risk for flooding is normal. Normal flood potential means
flooding can be expected in the Ohio Valley with water levels having
minor impacts.

.....................................................................

...March Hydrometeorological Review...

Very mild temperatures occurred in April across the Ohio Valley.
Average temperatures were 1 to 3 degrees above normal.

Precipitation also averaged above normal during March with the
greatest departures from normal across the eastern half of the Ohio
River Basin.

Hydrologically...minor flooding occurred in parts of the Wabash and
White basins in Indiana.

http://www.weather.gov/ohrfc/images/dynamic/latest30day.jpeg

...SOIL MOISTURE CONDITIONS...

Moist to wet soils exist across the Ohio Valley due to frequent
rainfall.

http://www.cpc.noaa.gov/soilmst/w.shtml

...STREAMFLOW CONDITIONS...

Average streamflows were generally normal across the Ohio River Basin
with scattered below normal flows across watersheds in the state of
Kentucky  as well as the Little Wabash and Maumee basins.

http://watermonitor.gov

.....................................................................

...ATMOSPHERIC TELECONNECTION AND OSCILLATION FORECASTS FOR April...

ARCTIC OSCILLATION trending negative = drier


NORTH ATLANTIC OSCILLATION trending positive = wetter

PACIFIC/NORTH AMERICAN TELECONNECTION will be positive = drier

Weak El Nino = normal.

http://www.cpc.noaa.gov

.....................................................................

...Summary...

Teleconnections are not in consensus on weather pattern for April.
Storm occurrence has been more frequent during the last week of
March...possibly signaling an active pattern for April which
typically is a wet period for the Ohio Valley.

Hydrologically...periods of flooding is expected which is normal for
this time of the year in the Ohio River Basin. Even though
streamflows could be running high...this is normal for April.

.......................................................................

VISIT OUR WATER RESOURCES WEBSITE AT http://www.weather.gov/ohrfc/WRO

IN ADDITION TO A 30-DAY STREAMFLOW OUTLOOK...YOU CAN ALSO OBTAIN A
60- AND 90-DAY OUTLOOK AT THE WEBSITE

$$
Wheeler



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