Fri May 1 Ohio & Pennsylvania Storm

Meteorological Analysis

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

Gauges recorded significant river responses, particularly along Ashtabula River (peaking at 292 CFS), Conneaut Creek (peaking at 537 CFS), Vermilion River @ Vermilion (peaking at 1,100 CFS), Cuyahoga River @ Independence (peaking at 1,140 CFS), Brandy Run near Girard (peaking at 20 CFS), Elk Creek (peaking at 161 CFS), Walnut Creek (peaking at 223 CFS), Twenty Mile Creek (peaking at 277 CFS), Crooked Creek (peaking at 97 CFS), Huron River (peaking at 538 CFS), Black River (peaking at 2,040 CFS), Euclid Creek (peaking at 84 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 'C'. Gaging observations were matched against NWS precipitation models to assess the forecasting margins, highlighting the variance in local rainfall amounts across the lake shores.