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Following the El Nino event in 1997 – 1998, the Pacific Marine Environmental Laboratory attributes the first large-scale coral bleaching event to the warming waters. [169] Most critically, global mass bleaching events were recorded in 1997-98 and 2015–16, when around 75-99% losses of live coral were registered across the world.
During an El Niño event, the east–west trade winds die, generating warmer air temperatures in the eastern and central parts of the tropical Pacific. [10] Warmer temperatures lead to warming ocean surface temperatures, leading to heavier rainfall and flooding in the eastern Pacific.
Across Alaska, El Niño events do not have a correlation towards dry or wet conditions; however, La Niña events lead to drier than normal conditions.During El Niño events, increased precipitation is expected in Southern California, Arizona, and New Mexico due to a more southerly, zonal, storm track over the Southwest, leading to increased winter snowpack, but a more subdued summer monsoon ...
El Nino Reshapes the Weather. The third state is El Niño, which occurs when sea surface temperatures in the tropical Pacific rise to above-normal levels for an extended period of time. El Niño ...
One of the major reasons is the position of the jet stream, which often shifts south during an El Niño winter. This shift typically brings wetter and cooler weather to the South while the North ...
El Niño and La Niña greatly affect weather conditions worldwide. The last El Niño was in 2018-2019.
The 1997–98 El Niño Event had various effects on tropical cyclone activity around the world, with more tropical cyclones than average occurring in the Pacific basins. . This included the Southern Pacific basin between 160°E and 120°W, where 16 tropical cyclones in the South Pacific were observed during the 1997–98 season compared to an average of aroun
Weather experts declare El Niño is in. Here’s what it is, what it means for Boise weather