A city-by-city look at what the powerful winter storm will bring

By Dave Hennen and Taylor Ward, CNN Meteorologists

(CNN) — A major winter storm is lashing parts of the US with strong winds, tornadoes, flooding, snow and white-out conditions. Through Wednesday, the storm will cover more than 1,800 miles in 72 hours, producing dangerous severe storms and notable snowfall.

Are you under a winter weather alert? Check here.

Here’s what to expect in some of the major cities in the storm’s path.

All times are local.

Atlanta

• Flood watch through 7 p.m. Tuesday
• 2 to 4 inches of rain possible, with heaviest falling until 11 a.m.
• Wind advisory through Tuesday evening
• Wind gusts between 20 to 35 mph through Wednesday morning

Houston

• Tornado watch has expired
• Wind advisory until 6 p.m. Tuesday
• Wind gusts of 35 to 40 mph possible through Tuesday afternoon

New Orleans

• Tornado watch until 7 a.m. Tuesday
• Flood watch until 9 a.m. Tuesday
• Wind advisory until late Tuesday afternoon
• Wind gusts of up to 50 mph, with gusts around 30 mph for the morning commute
• Rainfall wraps up by late Tuesday morning

Des Moines

• Winter storm warning until Tuesday evening
• 5 to 9 inches of snow possible through Tuesday morning
• Strong wind gusts until late Tuesday afternoon

Chicago

• Winter weather advisory until noon Tuesday
• 2 to 4 inches of snow possible, with heaviest falling through Tuesday morning; significantly more snow expected north and west of the city
• Snow will transition to rain during the day and back to rain and snow Tuesday evening
• Wind gusts 15 to 35 mph through Wednesday morning

Tampa

• Coastal flood warning from Tuesday 10 a.m. to Wednesday 7 a.m.
• Wind advisory Tuesday 7 a.m. to 7 p.m.; peak wind gusts of 20 to 40 mph
• 1 to 1.5 inches of rain Tuesday 12 p.m. to 11 p.m.

Charleston, South Carolina

• High wind warning Tuesday 10 a.m. to 10 p.m.
• Peak gusts of 40 to 50 mph or more

New York City

• Flood watch Tuesday 6 p.m. to Wednesday 12 p.m.
• 2 to 3 inches of rain possible, heaviest falling from around the Tuesday evening commute into early Wednesday
• Wind advisory Tuesday 6 p.m. to Wednesday 6 a.m.
• Peak wind gusts of 40 to 50 mph or more
• Coastal flood advisory Wednesday; 1 to 2 feet of inundation possible

Washington, DC

• Flood watch Tuesday 1 p.m. to Wednesday 7 a.m.
• 1.5 to 3 inches of rain; heaviest Tuesday 1 p.m. to 11 p.m.
• Wind advisory Tuesday 3 p.m. to Wednesday 1 a.m.
• Peak wind gusts of 30 to 50 mph Tuesday and Wednesday
• Coastal flood advisory Tuesday; half a foot of inundation possible

Philadelphia

• Flood watch Tuesday afternoon until Wednesday evening
• 1 to 3 inches of rain; heaviest Tuesday 6 p.m. to 11 p.m.
• Wind advisory from 5 p.m. Tuesday until early Wednesday
• Peak wind gusts of 30 to 50 mph
• Coastal flood advisory Tuesday night to Wednesday morning; 1 to 3 feet of inundation possible

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