Polar jet stream

Référence de la vidéo 11931360
Animated model of the path of the jet stream in the northern hemisphere. The jet stream is a fast-moving belt of eastward-moving winds that form at the tropopause at the boundary between cold polar air and warmer temperate air. Wind speed is colour-coded in this model, with red being the fastest, through orange, yellow and cyan to dark blue (slowest). The jet stream typically exhibits large-scale meanders, called Rossby waves. The position of the jet stream plays a major role in determining the weather beneath it. The fast-moving air encourages the formation of low pressure beneath it, and regions below the jet stream typically see frequent storms and other low pressure weather phenomena. This animation uses weather and climate observations from NASA's MERRA dataset to model 30 days of the jet stream's whirling journey over North America.
Licence : Droits gérés
Crédit : Science Photo Library / NASA's Goddard Space Flight Center
Model Release : Non requis
Property release : Non requis
Durée : 32 Secondes
Aspect ratio : 16/9
Restrictions : -

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