
Cold winds in the winter typically prevail from the northwest in the Great Lakes region, producing the most dramatic lake-effect snowfalls on the southern and eastern shores of the Great Lakes. This lake-effect produces a significant difference between the snowfall on the southern/eastern shores and the northern/western shores of the Great Lakes.
Lake-effect snows on the Tug Hill Plateau (east of Lake Ontario) can frequently set the daily records for snowfall in the United States. Syracuse, New York is directly south of the Tug Hill Plateau and receives significant lake-effect snow from Lake Ontario, averaging 115.6 inches (294 cm) of snow a year, which is enough snowfall to often be considered one of the "snowiest" large cities in America.[10][11] The communities of Redfield inOswego County and Montague and North Osceola in Lewis County, all on the Tug Hill Plateau, average over 300 inches (760 cm) of snow a winter.[12] In February, 2007, a prolonged lake-effect snow event left 141 inches (360 cm) of snow on the Tug Hill Plateau.[13]
A small amount of lake-effect snow from the Finger Lakes falls in upstate New York as well, until those lakes freeze over. The Appalachian Mountains and Atlantic Ocean largely shield New York City and Philadelphiafrom picking up any lake-effect snow; snow there tends to come from storm systems mixing with cold weather.
Notable lake-effect episodes
| This article or section may be slanted towards recent events. Please try to keep recent events in historical perspective. (December 2008) |
- Lake Storm "Aphid": October 12 – 13, 2006 - A crippling lake effect storm which struck Buffalo New York and surrounding areas with nearly 23.62 in (60 cm) of heavy wet snow, damaging many trees (most of which were still in full leaf) and knocking out power.[23]
- Lake Effect Storm Bald Eagle: December 24, 2001 – January 1, 2002 - A major several day event in which Buffalo NY sees over 80 inches (200 cm). This event is even featured in local postcards.[23]
- Lake Storm Chestnut - November 21, 2000 - Brief but well-timed and intense lake event that is often known as the "Gridlock Snowstorm" due to its major disruption of traffic.[23]
- Lake Storm "Locust" - February 2007 - An extremely long-lasting lake event that paralyzed much of central New York for over a week. Over eight feet of snow fell in most of the affected areas, north of buffalo and in and around oswego new york.[24]




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