Marine Thunderstorm Wind — Wilmette Hbr To Meigs Field Il, Lake Michigan

2004-07-22 · near Harrison-dever Crib, Wilmette Hbr To Meigs Field Il, Lake Michigan

Event narrative

Wind gust measured 3 miles off shore, east of Chicago.

Wider weather episode

On the morning of July 22, a cold front extended from central Great Lakes region, southwestward through southern Wisconsin and into central Iowa. Ahead of the frontal boundary, Northern Illinois and Indiana were very moist, humid and unstable. In the late morning hours, a line of thunderstorms crossed the Mississippi River into western Illinois. This line continued to develop eastward and by around 1:00PM entered Grundy and Will Counties in northeastern Illinois. The line of storms then continued over southern Lake Michigan. Wind with gusts up to 39 kts measured at the Harrison-Deaver Crib, 3 miles off shore, east of downtown Chicago.

Source: NOAA Storm Events Database, event_id 5414359. Narrative written by the NWS forecast office that issued the report.