Um, those deathly looking clouds you see? Probably why a tornado warning is in effect. According to WNBC, the warning is for "Manhattan, the Bronx and Eastern Bergen counties until 5:45 p.m. and for Southern Westchester County until 6 p.m."
Per the National Weather Service: "TORNADO WARNING FOR...SOUTHERN WESTCHESTER COUNTY IN SOUTHEAST NEW YORK... UNTIL 600 PM EDT...AT 520 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR YONKERS...OR NEAR EAST TREMONT...MOVING EAST AT 15 MPH. THE TORNADO WILL BE NEAR...BRONXVILLE BY 530 PM...NEW ROCHELLE AND 6 MILES SOUTH OF SCARSDALE BY 540 PM...8 MILES SOUTH OF PORT CHESTER BY 600 PM..."
Last year, a tornado brought the subway system to a standstill. TGIF evening?