State of the Planet

News from the Columbia Climate School

Interactive Map: Daily Maximum Wet-Bulb Temperature

No comments on Interactive Map: Daily Maximum Wet-Bulb Temperature

A new study shows that extreme, sometimes potentially fatal, mixtures of heat and humidity are emerging across the globe. The interactive world map below shows documented instances, with hotter colors from yellow to red signifying the worst combinations as measured on the Centigrade “wet bulb” scale. Read the full story: “Potentially Fatal Combinations of Humidity and Heat Are Emerging Across the Globe. (Map: Jeremy Hinsdale; adapted from Raymond et al., Science Advances, 2020; updated May, 2025)

Usage: Use trackpad or buttons to zoom, drag and drop to move; zoom in to view data points; click points to view temperature and location information.

< 17.75 20 22.25 24.5 26.75 29 31.25 33.5 >
No comments on Interactive Map: Daily Maximum Wet-Bulb Temperature
Banner with images representing environmental issues and text "You Asked: Our Scientists and Experts Answer Your Burning Questions."

You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!

Subscribe
Notify of
guest

0 Comments
Newest
Oldest