* WHAT. Southwest winds to 30 knots and waves 7 to 10 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 1 AM EST Friday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Heavy lake effect snow. Additional snow accumulations of 5 to 10 inches in the most persistent lake snows. Winds gusting as high as 35 mph. * WHERE. Wyoming, Chautauqua, Cattaraugus, and Southern Erie counties. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Travel will be very difficult with poor visibility and deep snow cover on roads. The hazardous conditions will impact the evening commute today. * ADDITIONAL DETAILS. The heaviest snow and most significant impacts are expected through this afternoon, when snowfall rates over 1" per hour will occur within the heaviest snow bands.

* WHAT. Heavy lake effect snow occurring. Additional snow accumulations of 2 to 4 inches. Winds gusting as high as 35 mph, especially closer to the lakeshore. * WHERE. Lake, Geauga, Ashtabula Inland and Ashtabula Lakeshore counties. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commute. * ADDITIONAL DETAILS. Snow will continue to be more focused in the higher elevations today before shifting towards the lakeshore tonight. Snow should move offshore Lake Erie by tonight.

* WHAT. Heavy lake effect snow occurring. Additional snow accumulations of 3 to 5 inches. Winds gusting as high as 35 mph, especially closer to the lakeshore. * WHERE. Northern Erie, Southern Erie and Crawford counties. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning and evening commute. * ADDITIONAL DETAILS. Snow will continue to be more focused in the higher elevations today before shifting towards the lakeshore tonight. Snow should move offshore Lake Erie by tonight.

* WHAT. West winds 15 to 25 knots with gusts up to 35 knots and waves 6 to 9 feet. * WHERE. The nearshore waters of Lake Erie from Vermilion OH to Ripley NY. * WHEN. Until 1 AM EST Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Lake effect snow. Additional snow accumulations up to one inch. * WHERE. Forest, Mercer, and Venango Counties. * WHEN. Until 7 PM EST this evening. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening commute. * ADDITIONAL DETAILS. Convective snow showers are ongoing across the advisory area, producing rapid deterioration in visibility and slippery roads which may result in hazardous driving conditions.

* WHAT. Heavy lake effect snow occurring. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 30 mph, especially closer to the lakeshore. * WHERE. Lake, Geauga, Ashtabula Inland and Ashtabula Lakeshore counties. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS. Snow will gradually lift north closer to the lakeshore this evening into tonight before moving offshore over Lake Erie late tonight.

* WHAT. Heavy lake effect snow occurring. Additional snow accumulations of 1 to 3 inches. Winds gusting as high as 30 mph, especially closer to the lakeshore. * WHERE. Northern Erie, Southern Erie and Crawford counties. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Plan on slippery road conditions. The hazardous conditions could impact the morning commute. * ADDITIONAL DETAILS. Snow will gradually lift closer to the lakeshore this evening into tonight before moving offshore over Lake Erie late tonight.

* WHAT. Heavy lake effect snow. Additional snow accumulations of 2 to 4 inches. * WHERE. Warren County. * WHEN. Until 1 AM EST Wednesday. * IMPACTS. Travel could be very difficult. The hazardous conditions could impact the evening commute. * ADDITIONAL DETAILS. Snowfall rates may reach 1" per hour for brief times within the strongest, most persistent snow bands. Gusty winds will also lead to blowing and drifting snow with periods of very low visibility of less than one quarter of a mile.

* WHAT. Heavy lake effect snow. Additional snow accumulations of 4 to 7 inches in the most persistent lake snows. * WHERE. Wyoming, Chautauqua, Cattaraugus, and Southern Erie counties. * WHEN. Until 7 AM EST Wednesday. * IMPACTS. Plan on slippery road conditions. The hazardous conditions will impact the evening commute.

* WHAT. Southwest winds to 30 knots and waves 5 to 8 feet. * WHERE. The nearshore waters of Lake Erie from Ripley to Buffalo. * WHEN. Until 1 AM EST Friday. * IMPACTS. Winds and/or waves will cause hazardous conditions that could capsize or damage small craft.

* WHAT. Southwest winds 15 to 25 knots and waves 5 to 8 feet. * WHERE. The nearshore waters of Lake Erie from Vermilion OH to Ripley NY. * WHEN. Until 1 AM EST Friday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Southwest winds 15 to 25 knots and waves 5 to 8 feet. * WHERE. The nearshore waters of Lake Erie from Vermilion OH to Ripley NY. * WHEN. Until 1 AM EST Friday. * IMPACTS. Conditions will be hazardous to small craft.