If you’re trying to get into New York City on Monday, unless it’s essential, you’re probably better off hunkering down at home.

Traveling into the area by car, plane, bus or train is proving difficult thanks to an intense winter storm that’s expected to dump as much as 28 inches (71 centimeters) of snow in some areas. Central Park already recorded roughly 15 inches of snowfall as of 7 a.m.

New York City Mayor Zohran Mamdani declared a state of emergency and closed streets, highways and bridges to most traffic after 9 p.m. Sunday until noon Monday. The Long Island Rail Road suspended service at 1 a.m. and Metro-North trains are running on a weekend schedule. Flight cancellations are piling up at the area’s three main airports and the Staten Island Ferry moved to a modified schedule.

“We are asking New Yorkers to avoid all nonessential travel,” Mamdani said in a news conference. “For your safety, stay home, stay inside and stay off the roads.”