Schematic diagram of heatwave in western North America during late June of 2021 (IMAGE)

Institute of Atmospheric Physics, Chinese Academy of Sciences

Schematic diagram of heatwave in western North America during late June of 2021

Caption

Shading represents surface air temperature anomalies, and the green vector denotes jetstream (a narrow band of very strong westerly air currents near the altitude of the tropopause). Two blue vectors indicate that the heatwave is related to anomalous circulations in the North Pacific and the Arctic.

Credit

Jiayu Zheng

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