Two people died Thursday in NYC​ when flash flooding filled basements from Crown Heights, Brooklyn to Washington Heights on the Upper West Side.

Flash flooding that killed two people in New York City on Thursday was linked in part to an “overwhelmed sewer system” and unexpected record rainfall,

Parts of New York City saw record-breaking rainfall totals on Thursday, according to officials, as flooding in the city reportedly left two dead. NYC Emergency Management said on Thursday that Central Park saw 1.80 inches of rain fall, surpassing the previous record of 1.64 inches set back in 1917, according to the National Weather Service (NWS).

Juan Carlos Montoya Hernandez, a 43-year-old father of five, and another man are dead after they became trapped in basements in New York City during the flash flood on Thursday, Oct. 30. Investigations into both deaths are going.

Brooklyn and Manhattan were under a flash flood warning Thursday afternoon as heavy downpours fell across the city. Up to 4 inches of rain could fall in the area by late Friday, according to the National Weather Service, with gusting winds of up to 50 miles per hour possible in coastal areas of New York, New Jersey and Connecticut.

Floodwater inundated parts of the New York metro area on Thursday, October 30, as the National Weather Service (NWS) warned that a squall line was producing heavy rain. Footage captured by Daniel Ryan Johnson in the Bedford–Stuyvesant neighborhood of Brooklyn shows a whirlpool forming inside a flooded drain.

A Flash Flood Warning is in effect for Brooklyn, Queens, The Bronx, and Manhattan until 5:30 PM as heavy rain floods streets and highways. Over 6.9 million people are under alert, with officials urging residents to avoid flooded areas and move to higher ground.