Meteorology(climate)

chill
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Re: Meteorology(climate)

Postby chill » April 19th, 2009, 4:05 pm

Does anyone know the causes of La Nina??
http://www.elnino.noaa.gov/lanina_new_faq.html (this is the 1st thing that came up on google)
Thanks for the link. It helped me a bit. :D

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Re: Meteorology(climate)

Postby tigerman0828 » April 20th, 2009, 6:56 am

la nina is when the winds shift and south america gets cold.
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Re: Meteorology(climate)

Postby EastStroudsburg13 » April 20th, 2009, 3:05 pm

Yes, but he/she asked for the cause. I would think it's the same cause as El Nino, but correct me if I'm wrong.
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Re: Meteorology(climate)

Postby doctor » April 20th, 2009, 7:00 pm

isn't la nina the opposite of el nino???
because if it is the cause would be different otherwise it would be the same
right??
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Re: Meteorology(climate)

Postby pjgscioisamazing » April 20th, 2009, 7:02 pm

isn't la nina the opposite of el nino???
because if it is the cause would be different otherwise it would be the same
right??
Well one of the contributions to el nino or la nina is the trade winds. La Nina has strong trade winds and El Nino has weak trade winds. this affects the upwelling of the sea water which has an effect on teh temperature of teh water.
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Re: Meteorology(climate)

Postby chill » April 21st, 2009, 5:33 pm

You might find some el nino adn la nina stuff on http://www.cliffnotes.com. I found quite a few thing on that website :!:

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Re: Meteorology(climate)

Postby Fuzzy Mint » April 21st, 2009, 6:28 pm

What causes La Niña?*
Typically, a La Niña is preceded by a buildup of cooler-than-normal subsurface waters in the tropical Pacific. Eastward-moving atmospheric and oceanic waves help bring the cold water to the surface through a complex series of events still being studied. In time, the easterly trade winds strengthen, cold upwelling off Peru and Ecuador intensifies, and sea-surface temperatures (SSTs) drop below normal. During the 1988- 89 La Niña, SSTs fell to as much as 4 degrees C (7 degrees F) below normal. Both La Niña and El Niñq tend to peak during the Northern Hemisphere winter. http://www.elnino.noaa.gov/lanina_new_faq.html
hopefully helps a little. :D

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Re: Meteorology(climate)

Postby crabnebula143 » April 22nd, 2009, 3:02 pm

For the southern occilation, I know that the pressure changes (on Darwin + Tahiti islands)?

Does anyone know on which island the pressure increases + on which island the pressure decreases?

Thnx. :)
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Re: Meteorology(climate)

Postby soobsession » May 10th, 2009, 10:33 am

and 18 days later, your question is answered. :roll:

ok...im a really bad graph reader, but...i think its darwin increases, tahiti decreases...i think

http://www.cgd.ucar.edu/cas/catalog/climind/soi.html

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Re: Meteorology(climate)

Postby crabnebula143 » May 10th, 2009, 12:10 pm

Thanks!! :D :D
and 18 days later, your question is answered. :roll:

ok...im a really bad graph reader, but...i think its darwin increases, tahiti decreases...i think

http://www.cgd.ucar.edu/cas/catalog/climind/soi.html
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