After slamming the South, Ida crossed the northeastern U.S. on September 1 as a tropical storm. Record rainfall caused flooding. At least 18 people were killed.
Nearly 8½ million people live in New York City. They were told to shelter at home. “We’re enduring an historic weather event tonight, with record-breaking rain . . . and dangerous conditions on our roads,” Bill de Blasio said. He’s the city’s mayor.
Tornadoes struck New Jersey. Hundreds of flights were canceled at Newark Liberty International Airport because of the storm. In Pennsylvania, highways were underwater.
Scientists say the planet has continued to warm. That has made powerful storms like Ida much more common.