Windy Sunday

Strong north to northeast winds affected the Lake Michigan shoreline and areas immediately inland from Sheboygan to Kenosha on Sunday.  The strongest winds were reported within a few miles of the shore.  Peak wind gusts were mostly between 45 and 50 mph.  The strongest wind gust of 54 mph was reported at the marine observing station on the lakeshore at Kenosha, and the next strongest gust was 52 mph, measured at Port Washington harbor.

Strongest Winds Observed
Location Peak Wind Gust Time Proximity to Lake Michigan
Milwaukee International Airport 51 mph 736 pm 3 miles
Sheboygan County Airport 48 mph 807 am 7 miles
Racine Batten Airport 46 mph 1213 pm 3 miles
Random Lake 45 mph 859 am 8 miles
Kenosha Airport 44 mph 816 pm 7 miles
West Bend Airport 44 mph 735 pm 14 miles
Sheboygan Marine   46 mph  9 am On shore
Port Washington Marine 52 mph 310 pm On shore
Milwaukee Marine (McKinley Marina) 46 mph 1215 pm On shore
Kenosha Marine 54 mph 620 pm On shore
Timmerman Airport 39 mph 745 am 7 miles
Waukesha County Airport 35 mph 945 am 15 miles

 The West Bend Airport, which is located about 14 miles from Lake Michigan, experienced a wind gust to 44 mph Sunday evening.  This was most likely enhanced by the surrounding terrain (Kettle Moraine).

A tight pressure gradient was located over southern Wisconsin and Lake Michigan on Sunday.  The tight pressure gradient was caused by high pressure building into southern Canada and the Northern Plains, while a large area of low pressure moved slowly through the Ohio Valley and eastern U.S. 

Besides the pressure differences, an unstable atmosphere over the near shore waters of Lake Michigan, as well as reduced frictional effects, also contributed to the stronger wind gusts in areas close to Lake Michigan on Sunday.

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