* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of western New York, including the following counties, Allegany, Cattaraugus, Chautauqua, Genesee, Niagara, Northern Erie, Orleans, Southern Erie and Wyoming. * WHEN...From Sunday afternoon through Monday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. The greatest threat for flooding will be along the Buffalo area creeks and rivers. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Widespread rainfall totals of 1-1.5 inches are expected within the watch area. Locally higher amounts are possible. - http://www.weather.gov/safety/flood