Hurricane Ida: 2 reasons for its record-shattering rainfall in NYC and the Northeast long after the winds weakened
- Written by Russ Schumacher, Associate Professor of Atmospheric Science and Colorado State Climatologist, Colorado State University

Record downpours from Hurricane Ida overwhelmed cities across the Northeast on Sept. 1, 2021, hitting some with more than 3 inches of rain an hour. Water poured into subway stations in New York City, and streets flooded up to the rooftops of cars...