El Nino and La Nina

These are not notes!!

Meet the two storm systems

El Nino La Nina

Each takes turns coming every 3-5 years

• In the case of El Niño warm water approaches the coasts of South America which results in blocking the upwelling of nutrient-rich deep water.

• This has serious impacts on the fish populations.

Upwelling

• Upwelling- nutrient-rich water from the deep of the ocean pushed to the surface.

• In the La Niña case, the convective cycle over the western Pacific strengthens unusually, resulting in colder than normal winters in North America.

• Therefore, you get more robust cyclone season in South-East Asia and Eastern Australia.

normal

• The neutral part has been referred to humorously by some as "La Nada", which means "the nothing" in Spanish.

El Nino

La Nina or El nino?

La Nina or El nino?

Click me for El nino/La Nina demo

2 places to find El nino/nina graphic

• C:\Documents and Settings\sleethm12\Desktop\8th grade science 09-10\lessons\lessons 3rd9wks\Unit 9\Day 7 El Nino and La Nina\El Niño and La Niña animations.mht

• Or• http://esminfo.prenhall.com/science/

geoanimations/animations/26_NinoNina.html

Explaining Hurricanes

• Click below for video: Hurricanes Explained, how hurricanes develop, death by hurricane.