El nino

During an El Nino, it rains

• in the central Pacific

• in the FAR western Pacific

• in the western Pacific

• In all of the Pacific

Both El Nino and La Nina have this in common

• Influence birds that migrate over the ocean

• Influence rainy / dry weather world wide

• The weather at the polar regions

• The directions that ships travel in the oceans

How often do El Nino events occur?

• 2-5 years

• 2-7 years

• 7-10 years

El Nino occurs when the tropical ocean waters are warmer in which ocean?

• Atlantic
• Indian
• Pacific
• Arctic

Why do the fisherman of Peru and South America not welcome a strong El Nino?

• El Nino poisons the fish

• El Nino causes strong winds and currents which move fish westward

• El Nino bring cold water to the surface which kills the base of the food chain

• El Nino shuts off upwelling and nutrients needed for the marine food chain do not rise to the surface

Normally, atmospheric upwelling and rain occurs in the:

• FAR Western Pacific

• Central Pacific

• Western Pacific

During an El Nino, it rains

• in the central Pacific

• in the FAR eastern Pacific

• in the western Pacific

• In all of the Pacific

When La Nina and hurricanes pull cold water to the surface and bring nutrient rich sediments from the seafloor, this is called ___________________.

• upwelling

• downwelling

• El zapato

• La Gloria

What two factors are primarily used to describe climate?

• temperature and density
• temperature and precipitation
• precipitation and density
• winds and humidity

A cold air mass is moving toward a warm air mass, and nimbostratus clouds are observed in the sky. Which weather conditions are most likely?

• a cool, rainy day

• a cool, sunny day

• a warm, rainy day

• a cool, sunny day