Weather Basics
The atmospheric condition of a place at a certain time.
Weather.
High pressure systems bring what kind of weather?
Clear skies and fair weather.
What is climate?
The long-term average weather of a region.
The ancient supercontinent
Pangea.
A violent, whirling column of air in contact with the ground
A tornado.
A scientist who studies and predicts weather.
A meteorologist.
Do low pressure systems rotate clockwise or counterclockwise in the Northern Hemisphere?
Counterclockwise.
Which factor affects climate because higher elevation areas are colder?
Altitude.
Who proposed the continental drift hypothesis?
Alfred Wegener.
The calm, clear center of a hurricane
Eye
Instrument used to measure air pressure.
A barometer.
What type of front brings thunderstorms and rain when cold air pushes under warm air?
Cold front.
What is the term for a small area with climate different from the surrounding area?
Microclimate.
Which type of boundary occurs when two plates move away from each other?
Divergent boundary.
Storm that features freezing temperatures, strong winds, and blowing snow
Blizzard
What happens to air pressure as altitude increases?
Air pressure decreases.
Which front forms when neither warm nor cold air advances forward?
Stationary front.
What gases trap heat in the atmosphere and contribute to global warming?
Greenhouse gases.
What process forms new oceanic crust at mid-ocean ridges?
Seafloor spreading.
Severe weather that forms over warm tropical oceans and has winds over 119 km/h
A hurricane.
Temperature at which air becomes fully saturated.
Dew point.
What front forms when a fast cold front catches a warm front, trapping warm air between two cold air masses?
What front forms when a fast cold front catches a warm front, trapping warm air between two cold air masses?
What is the name for the warming effect created when greenhouse gases trap Earth’s infrared radiation?
The greenhouse effect.
What force pulls denser oceanic plates downward at subduction zones?
Slab pull.
What causes thunderstorms to form in low-pressure systems?. Name 3 things.
Warm temperatures, moisture, and rising air (updrafts).