Deadly Meanders (IMAGE)
Caption
he 2021 heat wave over western North America came in part from bending of the Northern Hemisphere’s jet stream into four huge north-south peaks and troughs. Above, redder colors indicate higher temperatures; black arrows show wind directions. Under the peaks, western Eurasia and northeast Siberia experienced temperature spikes, but North America (inside box) saw the worst. Within a fourth peak, Iceland also saw elevated temperatures.
Credit
Adapted from Bartusek et al., Nature Climate Change 2022
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