Significant Storm Bringing Widespread Winter Weather and Heavy Rainfall Across the Eastern Half of the Country

A storm system moving into the Eastern parts of the country is bringing heavy snow across the Great Lakes and into the Mid-Atlantic and Northeast today. There is also the potential for significant ice accumulations across the northern Mid-Atlantic. To the south, heavy rainfall is producing flash flooding, and river flooding, from the Ohio and Mississippi Valleys to the Deep South.
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Hazardous Weather Conditions

Last Update: 934 AM EST Wed Feb 20 2019

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Detroit/Pontiac, MI Local Forecast Office

13NM ENE Port Hope MI

Marine Zone Forecast

Rest Of Today
East winds 10 to 15 knots becoming southeast 20 to 25 knots. A chance of snow late in the morning...then snow...freezing rain...sleet and a chance of rain in the afternoon. Waves 3 to 5 feet building to 5 to 7 feet late in the afternoon. Waves occasionally around 10 feet.
Tonight
Southeast winds 20 to 25 knots becoming south 15 to 20 knots late in the evening...then becoming southwest 20 to 25 knots with gusts to around 30 knots after midnight. Sleet in the evening. Rain...snow and freezing rain. Waves 6 to 9 feet. Waves occasionally around 12 feet.
Thursday
West winds 15 to 20 knots with gusts to around 30 knots decreasing to 10 to 15 knots early in the afternoon. Waves 4 to 6 feet. Waves occasionally around 8 feet.
Thursday Night
West winds 10 to 15 knots decreasing to 5 to 10 knots in the late evening and overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet after midnight.
Friday
West winds 5 to 10 knots in the morning becoming light and variable...then becoming southeast 5 to 10 knots late in the afternoon. Waves 1 to 3 feet.
Saturday
Southeast winds 10 to 15 knots increasing to 15 to 20 knots in the late evening and early morning. A chance of snow and freezing rain early in the morning. A chance of rain in the late morning and early afternoon. Rain until early morning. Waves 1 to 3 feet building to 4 to 6 feet in the late evening and early morning. Waves occasionally around 8 feet.
Sunday
Southeast winds 15 to 20 knots becoming south 20 to 25 knots with gusts to 35 knot gales in the late morning and early afternoon...then becoming west to 30 knots with gusts to 45 knot gales until early morning. Rain until afternoon. Rain and snow likely early in the evening...then a chance of snow in the late evening and early morning. Waves 6 to 9 feet building to 10 to 14 feet until early morning. Waves occasionally around 18 feet. wave heights are for ice free areas.
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ABOUT THIS FORECAST

Last Update: 934 AM EST Wed Feb 20 2019
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