U.S. National Radar

Comet Ison Viewing Guide

Sunday, April 17, 2011

Weather synopsis: Sunday April 17


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11:31am cold air today rushing in over the unfrozen Great Lakes has produced a light wintry mix of wet snow, sleet and rain downwind of Lake Erie with less than 1" of accumulations expected - meanwhile more tranquil and milder weather can be found along the Atlantic seaboard with temperatures approaching 60 degrees. Winds have been a factor today over the Northeast today gusting over 50 miles per hour. Chilly conditions will linger across the interior Northeast as we head into Monday with another chance of a quick burst of rain and snow over the Great Lakes - conditions along the Atlantic coast should remain mild and tranquil. The next big chance of precipitation will arrive Tuesday into Wednesday. Temperatures should moderate on Wednesday approaching 60 degrees, though it will be mild, there could be enough instability in the atmosphere to produce embedded thunderstorms. Temperature will cool off after Wednesday - this will be especially true over the Great Lakes on Thursday as temperatures fall back into the 40s for day time Highs, it should remain mild though away from the Great Lakes along the Atlantic coast with temperatures in the 60s.

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