pressure
Water cycle & precipitation
Air masses/Fronts
Severe weather and safety
Instruments
100
Isobars indicate
What is air pressure
100
A percentage that shows how much water vapor the air is holding.
What is relative humidity?
100
This causes a change in the weather.
What is when air masses move and meet?
100
these are the most powerful storms on Earth.
What is a hurricane?
100
Measures air temperature.
What is a thermometer?
200
Meteorologists show areas of high and low pressure by plotting these lines on a map.
What are isobars
200
Moisture in the air as a gas.
What is water vapor
200
The characteristics of an air mass with the symbol cT.
What is warm and dry?
200
An electrical discharge between a positively charged area and a negatively charged area creates this.
What is lightning?
200
Measures air pressure.
What is a barometer?
300
The purpose of isobars is to connect points of these.
What are points of equal air pressure?
300
The part of the water cycle that clouds form.
What is condensation?
300
In North America, an air mass with the symbol cP would form here.
What is northern Canada.
300
The kind of weather that a cumulonimbus cloud brings.
What is a thunderstorm?
300
Measures wind speed.
What is an anemometer?
400
The kind of pressure that an anticyclone has.
What is high pressure?
400
The temperature that air reaches saturation.
What is the dew point?
400
Warm air moves over cold air and replaces it.
What is a warm front?
400
Wind moving in two different directions over a prarie can start one of these.
What is tornado?
400
Measures wind direction.
What are wind socks (or wind vanes)?
500
Winds move in this direction in a cyclone.
What is inward toward the center?
500
It increases the air's ability to hold water vapor.
What is an increase in temperature?
500
This can bring many days of cloudy, wet weather.
What is a stationary front?
500
A very dangerous rise in sea water due to a hurricane.
What is a storm surge?
500
Locates precipitation.
What is radar?
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