Torrential rain spawned significant flooding across northern New Jersey, New York, Philadelphia, and other areas on Sept. 1, as the remnants of Hurricane Ida passed over the region. New York City Mayor Bill de Blasio declared an emergency for the city, while officials said on Sept. 2 that at least 22 people had died in New York and New Jersey due to the severe weather, according to The Associated Press. “I’m declaring a state of emergency in New York City tonight. We’re enduring [a] historic weather event tonight with record breaking rain across the city, brutal flooding and dangerous conditions on our roads,” he wrote. The Metropolitan Transit Authority suspended subway service for most areas in the city due to floodwaters entering subway stations and the tracks. New York and New Jersey residents uploaded video footage on Twitter and other social media sites of flooding inundating cars, flooded subways, backflushing …