Anyone who lived in New York in 1972 will tell you that. A two-week wave killed 891 people then. On Wednesday, 33 of the more than 4,000 fire calls in New York were for heat-related issues, Fire Department spokeswoman Elisheva Zakheim said.
The city has recorded one heat-related death so far this year, on July 8, the New York medical examiner's office said.
Fortunately, this wave hasn't claimed any lives. But the New York Fire Department did respond to 37 heat-related incidents Monday and 25 more as of late Tuesday.
The Red Cross and the New York mayor's office are warning people to stay in cool spaces and drink plenty of water. The city has opened cooling centers for those who don't have access to air conditioning.