Flood Warning & Flood Watch & Lake Effect Snow Watch

November 30, 2010 Updated Dec 1, 2010 at 12:26 AM EDT

By WKBW Programming

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Flood Warning & Flood Watch & Lake Effect Snow Watch

November 30, 2010 Updated Dec 1, 2010 at 12:26 AM EDT

WEDNESDAY: Rain to snow with falling temperatures. Early highs near 40.
Flood Watch for Catt. and Allegany Counties from 1am-Wed. Evening.
Lake Effect Snow Watch for Erie, Genesee, Wyoming, Chaut., and Catt. Counties from Wed. PM-Thur. Eve.
Flood Warning for Allegheny River at Olean and Salamanca in Catt. County from Wed. AM-Fri. PM.

Heavy Rain Tuesday
From National Weather Service in Buffalo

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLOOD WARNING FOR
THE ALLEGHENY RIVER AT SALAMANCA
* FROM WEDNESDAY EVENING TO FRIDAY AFTERNOON.
* AT 9 PM TUESDAY THE STAGE WAS 5.7 FEET AND RISING.
* FLOOD STAGE IS 12.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE
WEDNESDAY EVENING AND CREST NEAR 13.7 FEET THURSDAY AFTERNOON.
* IMPACT...AT 14.0 FEET...MODERATE FLOOD...MODERATE FLOODING ALONG
ENTIRE REACH IN AREAS UNPROTECTED BY DIKES. MORE WIDESPREAD
FLOODING UPSTREAM.

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* FLOOD WARNING FOR
THE ALLEGHENY RIVER AT OLEAN
* FROM WEDNESDAY MORNING TO FRIDAY AFTERNOON.
* AT 9 PM TUESDAY THE STAGE WAS 4.2 FEET AND RISING.
* FLOOD STAGE IS 10.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE
WEDNESDAY MORNING AND CREST NEAR 14.7 FEET THURSDAY MORNING.
* IMPACT...AT 15.0 FEET...THERE IS MODERATE FLOODING. WATER AFFECTS
RIVERVIEW SCHOOL OF AVIATION, 1.5 MILES UPSTREAM OF UNION STREET
BRIDGE. LOCAL FLOODING OCCURS IN AREAS UNPROTECTED BY DIKES
INCLUDING PORTIONS OF PORTVILLE UPSTREAM.

* FLOOD WARNING FOR
THE GENESEE RIVER AT WELLSVILLE
* FROM WEDNESDAY MORNING TO LATE WEDNESDAY NIGHT.
* AT 11 PM TUESDAY THE STAGE WAS 6.3 FEET AND RISING.
* FLOOD STAGE IS 11.0 FEET.
* MINOR FLOODING IS FORECAST.
* FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE LATE
WEDNESDAY MORNING AND CREST NEAR 12.6 FEET EARLY WEDNESDAY
AFTERNOON.
* IMPACT...AT 14.0 FEET...MODERATE FLOOD...GENERAL FLOODING ALONG THE
RIVER IN LOWLYING AREAS THROUGHOUT THE COUNTY. SOME RESIDENTIAL AND
COMMERCIAL DAMAGES. THE LEVEE PROTECTS MOST OF WELLSVILLE.

Lake Effect Snow Watch
Official Watch from NWS

The National Weather Service in Buffalo has issued a Lake Effect Snow Watch for Erie, Genesee, Wyoming, Chautauqua and Cattaraugus counties for Wednesday afternoon through Thursday evening.

The snow is expected to develop late Wednesdday afternoon and intensify at night through Thursday.

The heaviest snow will most likely fall from the Buffalo southtowns and southern Genesee County southward across ski country.

The heavier snow could move north towards the metro area and Batavia should the wind direction change slightly.

Snow accumulations may exceed one foot where heaviest and may produce difficult travel conditions.