Hold on to your hats! Strong winds are expected to blow through New York City Monday as a cold front moves across the region, bringing with it rain and thunderstorms, according to forecasters. New Yorkers should brace for showers accompanied by lightning and thunder to pummel the city starting around 2 p.m. after an initial batch of downpours on Sunday night, AccuWeather Senior Meteorologist Carl Erickson told The Post. A “narrow squall line” will then move through the Big Apple, with damaging,