Earth’s Spheres
Trees and other living organisms belong to this Earth system.
Biosphere
The main source of energy that drives Earth’s weather systems.
Sun
The calm center of a hurricane with very low pressure.
Eye
Wind moves from areas of high pressure to this.
Low pressure
Type of sunlight received most directly at the equator.
Direct sunlight
Clouds and Nitrogen in the air are part of this Earth system.
Atmosphere
Warm air rises because it is this.
Less dense
Hurricanes weaken when they move over this surface.
Land
Direction hurricanes rotate in the Northern Hemisphere.
Counterclockwise
Most hurricanes form in these regions of Earth.
Tropical regions - Equator - Tropics
Oceans, lakes, and rivers belong to this Earth system.
Hydrosphere
As ocean water warms, its density does this.
Decreases
These storms form over warm tropical oceans.
Hurricanes (tropical cyclones)
Earth’s rotation causes moving air to curve.
Coriolis Effect
Ocean current that warms coastal areas as it moves north... Off of Florida Coast
Gulf Stream
This Earth system stores most of the heat energy used by hurricanes.
Hydrosphere
Greenhouse gases help Earth by doing this.
Trapping heat in the atmosphere
Correct sequence for hurricane formation.
Warm water → rising air → low pressure → rotating storm
Global winds(name) that guide hurricane movement.
Trade winds
Reason Gulf Coast states experience more hurricanes.
Closer to warm tropical ocean water
Hurricanes form because of interactions between the atmosphere and this system.
Hydrosphere
This process explains how warm air rises and cool air sinks.
Convection Currents
Hurricanes are strongest when ocean water is this.
Warm
Uneven heating of Earth’s surface causes this movement of air.
What's it called?
Wind
Months when hurricanes are most likely to form.
June 1st through November 31st