* WHAT. Heavy lake effect snow possible. Significant accumulations possible in the most persistent lake snows. Winds could gust as high as 35 mph, resulting in blowing and drifting snow. * WHERE. Wyoming, Chautauqua, Cattaraugus, and Southern Erie Counties. * WHEN. From Monday afternoon through late Wednesday night. * IMPACTS. The potential exists for a significant long duration lake effect snow event. There is considerable uncertainty in exact band placement and amounts, but multiple periods of heavy snow are possible. Travel could be very difficult with very poor visibility and deep snow cover on roads.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 8 to 16 inches in the most persistent lake snows. Winds could gust as high as 35 mph, resulting in blowing and drifting snow. * WHERE. Wyoming, Chautauqua, Cattaraugus, and Southern Erie Counties. * WHEN. From 1 PM Monday to 4 AM EST Thursday. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning commutes.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 8 to 16 inches in the most persistent lake snows. Winds could gust as high as 35 mph, resulting in blowing and drifting snow. * WHERE. Wyoming, Chautauqua, Cattaraugus, and Southern Erie Counties. * WHEN. From 1 PM Monday to 4 AM EST Thursday. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning and evening commutes.

* WHAT. Heavy snow possible. Total snow accumulations between 8 and 16 inches possible. * WHERE. In Ohio, Ashtabula Lakeshore County. In Pennsylvania, Northern Erie and Southern Erie Counties. * WHEN. From late Monday night through late Wednesday night. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes.

* WHAT. Heavy lake effect snow possible. Total snow accumulations between 8 and 16 inches possible. * WHERE. In Ohio, Ashtabula Lakeshore County. In Pennsylvania, Northern Erie and Southern Erie Counties. * WHEN. From late Monday night through late Wednesday night. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes.

* WHAT. Southwest to west winds 15 to 25 knots and waves 4 to 7 feet expected in ice-free waters. * WHERE. The nearshore waters of Lake Erie from Avon Point OH to Ripley NY. * WHEN. From 10 PM this evening to 7 PM EST Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. West winds 15 to 25 knots increasing to 30 knots and waves 6 to 9 feet expected. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. From 11 PM this evening to 7 AM EST Wednesday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 8 to 18 inches in the most persistent lake snows. Winds gusting as high as 35 mph will produce blowing and drifting snow. * WHERE. Greatest accumulations across western Wyoming, western Chautauqua, far northwest Cattaraugus, and Southern Erie Counties. * WHEN. From 1 PM Monday to 4 AM EST Thursday. The heaviest snow and greatest impact to travel is expected to be Tuesday morning through Tuesday evening. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning and evening commutes.

* WHAT. Heavy snow possible. Total snow accumulations in excess of 8 inches possible with totals over one foot possible where snow bands persist. * WHERE. In Ohio, Ashtabula Lakeshore County. In Pennsylvania, Northern Erie and Southern Erie Counties. * WHEN. From late Monday night through late Wednesday night. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening and Wednesday morning commutes.

* WHAT. West winds 15 to 25 knots and waves 4 to 7 feet expected in ice-free waters. * WHERE. The nearshore waters of Lake Erie from Avon Point OH to Ripley NY. * WHEN. Until 7 PM EST Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. West winds 15 to 25 knots and waves 6 to 9 feet expected. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 8 to 18 inches in the most persistent lake snows. Winds gusting as high as 35 mph will produce blowing and drifting snow. * WHERE. Greatest accumulations across western Wyoming, western Chautauqua, far northwest Cattaraugus, and Southern Erie Counties. * WHEN. From 1 PM Monday to 4 AM EST Thursday. The heaviest snow and greatest impact to travel is expected to be Tuesday morning through Tuesday evening. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning and evening commutes.

* WHAT. Heavy lake effect snow expected. Total snow accumulations between 7 and 15 inches. Winds could gust as high as 35 mph. * WHERE. Northern Erie and Southern Erie Counties. * WHEN. From 1 AM Tuesday to 1 AM EST Thursday. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening and Wednesday morning commutes. * ADDITIONAL DETAILS. The heaviest snowfall amounts will occur over northern Erie County.

* WHAT. Heavy lake effect snow possible. Total snow accumulations in excess of 8 inches possible with totals over one foot possible where snow bands persist. Winds could gust as high as 35 mph. * WHERE. Ashtabula Lakeshore County. * WHEN. From late tonight through late Wednesday night. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening and Wednesday morning commutes.

* WHAT. West winds to 30 knots and waves 7 to 10 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. West winds 15 to 25 knots with gusts up to 35 knots and waves 5 to 8 feet. * WHERE. The nearshore waters of Lake Erie from Avon Point OH to Ripley NY. * WHEN. Until 7 PM EST Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 10 to 20 inches in the most persistent lake snows. Winds gusting as high as 35 mph. * WHERE. Greatest accumulations across western Wyoming, western Chautauqua, far northwest Cattaraugus, and Southern Erie Counties. * WHEN. From 1 PM this afternoon to 4 AM EST Thursday. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning and evening commutes.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 10 to 20 inches in the most persistent lake snows. Winds gusting as high as 35 mph will produce blowing and drifting snow. * WHERE. Greatest accumulations across western Wyoming, western Chautauqua, far northwest Cattaraugus, and Southern Erie Counties. * WHEN. Until 4 AM EST Thursday. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning and evening commutes.

* WHAT. Heavy lake effect snow possible. Total snow accumulations in excess of 8 inches possible with totals over one foot possible where snow bands persist. Winds could gust as high as 35 mph. * WHERE. Ashtabula Lakeshore County. * WHEN. From late tonight through late Wednesday night. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening and Wednesday morning commutes.

* WHAT. Heavy lake effect snow expected. Total snow accumulations between 7 and 15 inches. Winds could gust as high as 35 mph. * WHERE. Northern Erie and Southern Erie Counties. * WHEN. From 1 AM Tuesday to 1 AM EST Thursday. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening and Wednesday morning commutes. * ADDITIONAL DETAILS. The heaviest snowfall amounts will occur over northern Erie County.

* WHAT. West winds to 30 knots and waves 7 to 10 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Southwest winds to 30 knots becoming west with gusts up to 40 knots. Waves 5 to 9 feet. * WHERE. The nearshore waters of Lake Erie from Willowick OH to Ripley NY. * WHEN. Until 7 PM EST Wednesday. * IMPACTS. Conditions will be hazardous to small craft. * ADDITIONAL DETAILS. Wave heights are for ice free areas.

* WHAT. West winds to 30 knots with gusts up to 35 knots and waves 6 to 9 feet. * WHERE. The nearshore waters of Lake Erie from Willowick OH to Ripley NY. * WHEN. Until 7 PM EST Wednesday. * IMPACTS. Conditions will be hazardous to small craft. * ADDITIONAL DETAILS. Wave heights are for ice free areas.

* WHAT. West winds to 30 knots and waves 7 to 10 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Lake effect snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 35 mph Tuesday afternoon near the lakeshore. * WHERE. Ashtabula Inland and Lake Counties. * WHEN. From 8 AM Tuesday to 4 PM EST Wednesday. * IMPACTS. Travel could be difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS. The heaviest snow is expected Tuesday afternoon into Tuesday evening when snowfall rates of up to 1 inch per hour will be possible.

* WHAT. Heavy lake effect snow expected. Total snow accumulations between 6 and 14 inches. * WHERE. Northern Erie and Southern Erie Counties. * WHEN. From 1 AM Tuesday to 1 AM EST Thursday. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the the morning and evening commutes on Tuesday and Wednesday. * ADDITIONAL DETAILS. The heaviest snowfall amounts of 12 inches or greatest is expected over the northeastern part of Erie County. Snowfall rates of up to 1-2" per hour will be possible at times. Winds gusting as high as 35 mph Tuesday afternoon near the lakeshore.

* WHAT. Lake effect snow expected. Total snow accumulations between 4 and 7 inches. * WHERE. Crawford County. * WHEN. From 10 AM Tuesday to 4 PM EST Wednesday. * IMPACTS. Plan on slippery road conditions with slower travel likely. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes. * ADDITIONAL DETAILS. The greatest snowfall amounts are expected in the northern part of Crawford County. The heaviest snow is expected Tuesday afternoon into Tuesday evening when snowfall rates of up to 1 inch per hour will be possible.

* WHAT. Lake effect snow expected. Total snow accumulations between 3 and 5 inches. Winds gusting as high as 35 mph Tuesday afternoon. * WHERE. Ashtabula Lakeshore County. * WHEN. From 8 AM Tuesday to 4 PM EST Wednesday. * IMPACTS. Travel could be difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS. The heaviest snow is expected Tuesday afternoon into Tuesday evening when snowfall rates of up to 1 inch per hour will be possible.

* WHAT. Heavy lake effect snow possible. Total snow accumulations between 3 and 6 inches with localized accumulations in northwestern Warren County up to 7 inches possible. * WHERE. Warren County. * WHEN. From Tuesday afternoon through late Wednesday night. * IMPACTS. Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

* WHAT. Heavy lake effect snow expected. Total snow accumulations 10 to 20 inches in the most persistent lake snows. Winds gusting as high as 35 mph will produce blowing and drifting snow. * WHERE. Greatest accumulations across western Wyoming, western Chautauqua, far northwest Cattaraugus, and Southern Erie Counties. * WHEN. Until 4 AM EST Thursday. * IMPACTS. Travel will be very difficult with very poor visibility and deep snow cover on roads. The hazardous conditions will impact the Monday evening and Tuesday morning and evening commutes.