The main weather concern today will be the increased risk or threat for lake shore flooding and coastal beach erosion near the lake as ‘Superstorm Sandy’, now a post-tropical cyclone, is to produce high winds and waves over Lake Michigan and the Chicago area today.
The highly advertised storm did not live under its hype, and if anything lived over what was expected. Sandy came onshore the U.S. mainland setting records. At around 7 p.m. CDT Monday, Hurricane Sandy made its third landfall (precious two were over Jamaica and Cuba) on the southern coast of New Jersey, about 5 miles southwest of Atlantic City, with winds of 80 mph and a record shattering central barometric pressure of 943mb (previous lowest pressure in Atlantic City, NJ was 961mb, set back on March 3, 1932). The records continued to roll as Sandy came further inland. The combination of Sandy’s high winds and rain, and high tides from a full moon resulted in record setting storm surges over New York and New Jersey. One record was at The Battery in NYC in which the storm surge climbed to 13.88 feet, shattering the old record of 10.1 feet by over three feet. Sandy which had merged with another storm system went on to produce 70-94 mph wind gust over the eastern seaboard, including a 94 mph wind gust in Eatons Neck, NY, knocked out power to millions leaving nearly the entire city of New York in darkness, literally put Atlantic City underwater, and left at least 16 people dead.
Sandy’s impacts isn’t confined to the east coast. Stretching 1,650 miles across, Sandy’s impacts could be felt as far west as Chicago. Sandy which is now a hybrid storm, is forecast to produce wind gust on the order of 40-60 mph today across the Great Lakes, and the Chicago region. A full fetch from strong northerly winds will likely result in 20+ foot waves and major beach erosion along the Illinois, Indiana, and Michigan shores of Lake Michigan. Officials have urged everyone to stay away from the lake today due to the possible danger. A Storm Warning is in effect for Lake Michigan, a Lakeshore Flood Warning is in effect for Cook County, and a High Wind Warning is in effect for the counties of northwest Indiana. A Wind Advisory is in place for Lake and Cook Counties in northeast Illinois.
Winds will be lighter tomorrow but it will take a while (at least a week) for temperatures to moderate back to normal as it will take time for the atmospheric circulation pattern to recover from Sandy.
Tuesday: Partly to mostly cloudy, unseasonably cool, and very windy. Occasional showers across northwest Indiana. Highs in the upper 40s to lower 50s. Winds north 20-35 mph with gust 50-60 mph.
Wednesday/Halloween: Partly cloudy, not as windy, and cool. Highs in the upper 40s. Winds northwest 10-20 mph.
Thursday: Mostly sunny and cool. Highs in the upper 40s to lower 50s. Winds northwest 5-15 mph.
Friday: Partly cloudy and slightly warmer. Clouds thicken late. Highs in the mid 50s. Winds southeast 5-15 mph.
Saturday: Partly cloudy and breezy with a chance for showers. Highs in the mid 50s. Winds southeast 10-20 mph.
Sunday: Increasing clouds, cooler, and breezy. Chance for showers. Highs near 50. Winds southeast becoming northeast 10-20 mph.
Monday: Mostly cloudy with chance for showers. Unseasonably cool. Highs in the mid 40s. Winds north 5-15 mph.
8-15 day temperature trend outlook
Tuesday Nov. 6: Highs in the 40s/50s.
Wednesday Nov. 7: Highs in the 40s/50s.
Thursday Nov. 8: Highs in the 40s/50s.
Friday Nov. 9: Highs in the 50s.
Saturday Nov. 10: Highs in the 50s.
Sunday Nov. 11: Highs in the 40s/50s.
Monday Nov. 12: Highs in the 40s.
Tuesday Nov. 13: Highs in the 50s.
Wednesday Nov. 14: Highs in the 50s.
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