Marine Thunderstorm Wind — South Haven To Holland Mi, Lake Michigan

2009-06-19 · near South Haven Harbor, South Haven To Holland Mi, Lake Michigan

Event narrative

A 45 kt gust was measured at South Haven GLERL sight (SVNM4) as a squall line moved onshore. There was no evidence of strong wind gusts associated with the line in the open waters of Lake Michigan.

Wider weather episode

Several rounds of thunderstorm squalls brought strong winds to much of the open lake and nearshore waters. A squall moved across southern Lake Michigan during the early morning hours producing wind gusts up to 52 kts and very intense lightning from St Joseph to Holland. Other thunderstorm squalls also crossed the lake during the mid afternoon and evening hours. They brought wind gusts of 35 to 40 kts from St Joseph to Holland and adjacent open lake waters.

View location on OpenStreetMap → (42.4000, -86.2700)

Source: NOAA Storm Events Database, event_id 186030. Narrative written by the NWS forecast office that issued the report.