Sun May 10 New York (Lake Erie) Storm

Meteorological Analysis

A major storm system rolled through the Steelhead Alley region starting on Sunday, May 10, 2026 and lasting until Sunday, May 10, 2026. The storm was active for approximately 1 hours, dumping a maximum of 0.75" of rain across affected zones. Geographically, the weather system impacted the New York (Lake Erie) regions, causing rapid water-level rises on multiple tributaries.

Gauges recorded significant river responses, particularly along Cattaraugus Creek (peaking at 1,330 CFS), Chautauqua Creek (peaking at 272 CFS), Eighteen Mile Creek (peaking at 148 CFS), Canadaway Creek (peaking at 363 CFS), Silver Creek (peaking at 121 CFS), Buffalo Creek (peaking at 255 CFS), Cazenovia Creek (peaking at 716 CFS). Angling conditions deteriorated quickly during the peak flow periods, leading to temporary washouts. Gaging stations monitored the recovery times as flows began returning to their baselines, mapping out the best windows for fishermen to get back on the water.

From a weather prediction standpoint, the NWS forecasts for this event received an aggregate score card grade of 'B'. Gaging observations were matched against NWS precipitation models to assess the forecasting margins, highlighting the variance in local rainfall amounts across the lake shores.