Marine Thunderstorm Wind — New Buffalo To St Joseph Mi, Lake Michigan
2012-08-04 · near St Joseph Glos Station (sjom4), New Buffalo To St Joseph Mi, Lake Michigan
41 MG
Magnitude
Event narrative
A 47 mph (41 knot) wind gust was recorded at the St. Joseph NWS Marine site.
Wider weather episode
An unstable atmosphere was in place ahead of a strong cold front moving into the region from the west and a weak warm front located across northwestern Indiana. These features combined with a high shear environment supported development of thunderstorms across northern Illinois. These storms moved across southern Lake Michigan, producing gusty winds as they came onshore.
View location on OpenStreetMap → (42.1000, -86.4900)
Source: NOAA Storm Events Database, event_id 404756. Narrative written by the NWS forecast office that issued the report.