Heatwaves do not only occur on land, but also inside the ocean. Marine heatwaves are defined as periods of prolonged anomalously high sea surface temperatures compared to the local 30-year long record. Although the occurrence of these events has been observed locally, researchers in recent years looked at this phenomenon at the global scale.
Traveling across sea ice (Photo provided by courtesy of Kyra St. Pierre)
For the 25th time, the World Meteorological Organization (WMO) published a statement on the State of the Global Climate. The latest report was launched at the United Nations headquarters in New York on the 28th March. It looks back at the climate of 2018 globally.