El Nino and La Nina events

Référence de la vidéo 11927286
Animated map of precipitable water in the atmosphere during an El Nino-La Nina event. The events are characterised by variations in the sea surface temperature in the equatorial Pacific Ocean. High temperatures are associated with low overlying atmospheric pressure, and an increase in precipitable water. At the start of the animation, during La Nina (1917) conditions, the west coast of northern South America is cool, with high pressure and low precipitable water, with most atmospheric water over the western Pacific. As the conditions change to El Nino (1919), the sea surface off the coast of South America warms markedly, with associated low pressure and high precipitable water. The central Pacific region then contains much more precipitable water (red) also. The El Nino Southern Oscillation affects the weather around the world.
Licence : Droits gérés
Crédit : Science Photo Library / NOAA / PSD / GIL COMPO / DAVE ALLUERED / CATHY SMITH
Model Release : Non requis
Property release : Non requis
Durée : 02:26 Minutes
Aspect ratio : 16/9
Restrictions : -

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