A waterspout outbreak is in progress at Lake Michigan since September 22, 2021, and the ICWR forecast model shows it continuing and spreading to other portions of the Great Lakes through Friday, September 24.
International Centre for Waterspout Research (ICWR) observer Nina Brady saw about a dozen waterspouts/funnels from the northern suburbs of Chicago on the morning of September 22, from 10:15 to 10:30 and 11:45 – 12:00 CDT.
— Nina Brady (@NinaBrady) September 22, 2021
"As of 15:00 CDT [20:00 UTC], we have confirmed at least 13 waterspouts/funnels off of the Chicago area," ICWR said. "Expect more waterspouts to reform by Thursday morning over the same area."
The number of confirmed waterspouts/funnels rose to 18 by 22:00 UTC.
The latest Great Lakes waterspout forecast model run shows the waterspout outbreak continuing and spreading over to other portions of the Great Lakes through to Friday, September 24.
The forecast is valid from 00:00 UTC (20:00 EDT) September 22 to 18:00 UTC (14:00 EDT) on September 24. The warmer the colors the higher the waterspout potential.
ICWR is a non-governmental organization comprised of meteorologists, researchers, storm chasers, and others from around the world who are interested in the field of waterspouts.
Their goal is to foster the advancement of waterspout research and development.
Featured image credit: ICWR
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