Overview
- The warning is in effect Monday from 5 a.m. to 10 p.m. for Northern Erie, Southern Erie and Chautauqua counties, with significant lakeshore flooding expected.
- Water levels are forecast to surge Monday morning with peak levels late morning into the afternoon, threatening Route 5 through Hamburg, Buffalo Harbor, Canalside and Dunkirk Harbor.
- A separate flood watch for rainfall-driven flooding runs from Sunday 1 p.m. to Monday 4 p.m. across eight counties, with the greatest risk along Buffalo-area creeks and urban poor-drainage zones.
- Keweenaw County, Michigan, faces a lakeshore flood warning Monday from 1 a.m. to 7 p.m., with numerous road closures, low-lying inundation and shoreline erosion expected.
- The National Weather Service urges preparation and caution, noting that 6 inches of fast-moving water can knock a person down and 12 inches can carry away most vehicles.