Lake Effect Summary - January 19-20, 2007

Maximum Snowfall: Lake Erie 12" (Ellicottville); Lake Ontario 17" (Constantia) 

Duration: 18 hours +/- 

Prime Feature: Brief intense westerly flow.

January's second event followed closely on the heels of a sharp cold front which crossed the region early on Friday 19th. A moist westerly flow was primed and even though it was only marginally cold enough, the moisture in lower levels was enough to set off the activity, which primarily focused on Oswego county for much of Friday midday and afternoon before settling southward as winds veered. Rates on up to two inches per hour were noted Friday afternoon along with several reports of thunder. The Erie activity was more spread out and multiple but did pile up on some of the ridges and ski areas. Ridging and increasing shear broke up the activity Saturday morning. Total amounts were as much as 12-18" over much of Oswego County, although the city had closer to 6". A foot also fell over Ellicottville, much to the delight of the ski community. Rochester also caught a few inches.

The event was a brief but intense one, and did focus on some population areas in Oswego County. It therefore earns two ** stars.

Here are some representative reports. 

Off of Lake Erie...

Location Snowfall
Ellicottville 12 inches
S. Dayton 10 inches
Frewsburg 7 inches
Friendship 7 inches

Off of Lake Ontario...

Location Snowfall
Constanstia 17 inches
Fulton 14 inches
W. Monroe 13 inches
Parish 9 inches
Oswego 7 inches


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