Sunday, September 8, 2019

oceanic heat wave

The ocean off the western coast of North America is five degrees Fahrenheit hotter than usual after warming at an unusually rapid rate, according to the US National Oceanic and Atmospheric Administration (Noaa).
It has been dubbed the “north-east Pacific marine heatwave of 2019”.
Marine heatwaves are defined as oceanic events in which the surface temperature of the water is warmer than 90% of past measurIf the abnormal patch does not dissipate soon, it could become as destructive as the so-called “blob” of warm water in the same area that, in 2014-2016, created toxic algae blooms, killed sea lions and endangered whales by forcing them to forage closer to shore.ements for at least five days in a row. The current heatwave is the second-largest since scientists started tracking the phenomenon in 1981, Noaa reported on Friday.

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