Heat Belt Closes Around the Northern Hemisphere — June 6–16, 2026

185 agency-issued heat alerts across the Northern Hemisphere in 10 days — 26 WARNINGs, 34 WATCHes, 125 ADVISORIES. Canada leads the WARNING count with 8 ECCC heat warnings across Ontario, Québec, and Manitoba. United States 6 NWS Excessive Heat WARNINGs. Switzerland 11 simultaneous MeteoSwiss WATCHes anchor the European focal point. China 17 CMA WATCHes plus 26 ADVISORIES. Mediterranean rim runs heat + wildfire + Etna at WARNING simultaneously. Mindanao aftershock cluster (40 M5.0+ events) continues.

Events by Type (341 total)

European Heat Alerts (WARNING / WATCH / ADVISORY): 49

North American Heat Alerts (Canada 8 WARNINGs, US 6 WARNINGs + 30 ADVISORIES): 53

East Asian Heat Alerts (China 17 WATCHes + 26 ADVISORIES): 43

Other Heat Alerts (Ecuador, Israel, India, Hong Kong, Peru, Australia): 40

Active Wildfires: 81

Active Volcanoes: 15

Mindanao Aftershock Cluster (M5.0+): 40

Active Earthquakes (WARNING/WATCH): 6

Active Combat Events: 7

Active Severe-Weather and Storm WARNINGs: 7