Category Archives: Lake Effects

Early season lake-effect showers on 25 October 2017

The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing.  Users bear all responsibility for inspecting the data prior to use and for the manner in which the data are utilized. Cold advection over the … Continue reading

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Lake-effect showers off Salt Lake and Seasonal Lakes

The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing.  Users bear all responsibility for inspecting the data prior to use and for the manner in which the data are utilized. By Darren Van Cleave … Continue reading

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Mesovortex over Lake Ontario from 12 December 2013

A cold air mass was in place over the Great Lakes during 12 December 2013, providing for lake-effect snow across the Great Lakes.  The synthetic imagery from the 4-km NSSL WRF-ARW model initialized 0000 UTC 12 December shows the various … Continue reading

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Mesoscale vortex development over Lake Ontario on January 23, 2013

An Arctic airmass over the Great Lakes provided for a significant lake-effect snow event off Lake Ontario leading up to January 23, 2013 (maximum snowfall reports 3 feet near the southeast shoreline).  Near the end of this lake-effect snow event, … Continue reading

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