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Weather Instruments and Weather Maps
Refer to Title
51
Science
11th Grade
10/21/2013

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Cards

Term
What is a thermometer?
Definition
An instrument that measures temperatures
Term
What is a barometer?
Definition
Instrument measures air pressure
Term
Anemometers measure what?
Definition
Wind speed
Term
What measures wind direction?
Definition
Wind Vane
Term
What measures humidity?
Definition
Hygrometers
Term
What is a psychometer?
Definition
A special hygrometer used to measure relative humidity
Term
What measures the amount of rain?
Definition
Rain Gauge
Term
What instrument is carried by a weather balloon?
Definition
Radiosonde
Term
What uses radio waves to determine location, direction, and intensity of storm systems?
Definition
Radar
Term
What gathers information to create images by orbiting Earth?
Definition
Weather Satellite
Term
What large body of air that has similar temperature and humidity throughout?
Definition
Air Mass
Term
What are the four types of air masses?
Definition
  • Continental Tropical
  • Continental Polar
  • Maritime Tropical
  • Maritime Polar
Term
Describe continental tropical air masses?
Definition
Dry, warm
Term
Describe Continental Polar airmasses?
Definition
Dry,Cold
Term
Describe Maritime Polar air masses?
Definition
Moist, Cold
Term
Describe Maritime Tropical Airmasses?
Definition
Moist, Cold
Term
What is a boundary between air masses?
Definition
Front
Term
What are the four types of fronts?
Definition
  • Cold
  • Warm
  • Occluded
  • Stationary
Term
What is a pattern of meteorological symbols that represents the weather at a particular observing station recorded on a weather map?
Definition
Station Model
Term
What is an isotherm?
Definition
Lines on a weather map that join air at the same air temperature
Term
What is a destructive rotating funnel shaped cloud that forms when a thunderstorm meets high altitude horizontal winds that cause the rising air to rotate and become the smallest, shortest lived, and most violent type of storm known as?
Definition
Tornados
Term
What is an isobar?
Definition
Lines on a weather map that join air at the same air pressure
Term
Continental air masses form over land and maritime air masses form over?
Definition
water
Term
Occluded air masses involve how many air masses?
Definition
Three
Term
In what front does warm air move over cold air?
Definition
Warm front
Term
Warm Front =
Definition
Light rain and warmer temperatures
Term
Cold air under warm air causes a?
Definition
Cold Front
Term
Cold Front =
Definition
Thunderstorms and cold weather
Term
As air cools it condenses into?
Definition
thunder clouds
Term
Heavy rain that is accompanied by lightning and thunder is a?
Definition
Thunderstorm
Term
What is the electric discharge between oppositely charged parts of the air and ground?
Definition
Lightning
Term
What is the sound from the heating and rapid expansion of air due to lightning?
Definition
Thunder
Term
What is the most destructive storm that develops over tropical oceans as winds spiral in toward the low-pressure center?
Definition
Hurricane
Term
How fast do hurricanes move?
Definition
120 km an hour
Term
What causes hurricanes to spin?
Definition
The Coriolis Effect
Term
How fast are tornados?
Definition
400 km an hour
Term
Altitude, latitude, and ocean currents effect?
Definition
Temperature
Term
As latitude increases what does temperature do?
Definition
Decrease
Term
Prevailing winds and topography effect what?
Definition
Percipitation
Term
What increases in the troposphere as temperature decreases?
Definition
Altitude
Term
These factors effect climate?
Definition
Percipitation and Temperature
Term
Prevailing winds always what?
Definition
Blow in the same direction
Term
Tropical is?
Definition
Hot
Term
Polar is?
Definition
Cold
Term
Maratime means?
Definition
Moist, Over water
Term
Continental means?
Definition
Dry, Over land
Term
The windward sides of mountains have this type of climate?
Definition
Moist
Term
The leeward side of mountains have this type of climate?
Definition
Dry
Term
This climate is 180o C and has no true seasons?
Definition
Tropical
Term
What climate is 18o and has distinct seasons?
Definition
Temperate
Term
What climate is 10and has no distinct seasons?
Definition
polar
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