chapter7weather

chapter7weather - Southeastern US also received heavy rains...

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Chapter 7 Normal conditions- strong trade winds that meet near the equator They develop a strong current that pushed water from east to west Strong, cold, equatorward current along the west coast of south america This generates upwelling which brings nutrient rich water to the surface and this enhances the fishing in that region. Late in the year, a counter current develops -It brings warmer water to the region -Only lasts a few weeks -Called El nino “The child” - For Jesus Christ -Every 3-7 years, this current is much stronger. -Blocks the upwelling of nutrients and devastates the fishing industry Also causes wetter conditions inland. -Doesn't just affect western south america, but has gloabal implications. Strong El Nino in 82-83 Heavy rain and flooding in Peru and Ecuador. There was as severe drought in the Austrailia.Indonesia.Phillipines region. Another in 97-98 where there was heavy precipitation, beach erosion, land slides in california,
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Unformatted text preview: Southeastern US also received heavy rains. Hurricane development in atlantic is suppressed. -Normal Year High pressure in eastern pacific Low pressure in western pacific Trade winds are strong and push that equatorial current to the west-El Nino Year Low pressure in eastern pacific High pressure in western pacific Trade winds weaken and the equatorial current can reverse direction La Nina – opposite of El nino, sea surface temps are colder than normal Typical El Nino- -Warmer than normal winters in Northern US and Canada-Cooler in S.W and S.E US-Eastern US is wetter than normal-Atalntic Hurricane development is suppressed-Drought conditions in Austrailia, Indonesia and the Philippines-Typical La Nina-Cooler temps and increased precipitation in the pacific northwest.-Cold winters in the great plains-Very dry in S.W and S.E U.S-Greater atlantic hurricane activity...
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chapter7weather - Southeastern US also received heavy rains...

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