Chapter 17 Weather Fronts and Storms

1. a line on a weather map connecting places that have the same air pressure.

• isobar
• air mass
• blizzard
• front
• high pressure system

2. a large volume of air with the same temperature and humidity at different locations at the same altitude.

• air mass
• blizzard
• front
• high pressure system
• hurricane

3. a scientists who studies the weather

• meteorologists
• air mass
• blizzard
• front
• high pressure system

4. the boundary between air masses

• front
• air mass
• blizzard
• high pressure system
• hurricane

5. a violently rotating column of air stretching from a cloud to the ground

• tornado
• air mass
• blizzard
• front
• high pressure system

6. a weather system that occurs when air sinks down in a high pressure center and spreads out toward areas of lower pressure as it nears the ground. Brings good weather.

• high pressure system
• air mass
• blizzard
• front
• hurricane

7. a storm with lightning and thunder

• thunderstorm
• air mass
• blizzard
• front
• high pressure system

8. a weather system that occurs when air moves around and into a low pressure center, then moves up to higher altitudes. Brings bad weather.

• low pressure system
• air mass
• blizzard
• front
• high pressure system

9. a blinding snowstorm with winds of at least 56 km/hr usually with temperatures below -7 degrees.

• blizzard
• air mass
• front
• high pressure system
• hurricane

10. a tropical low pressure system with sustained winds of 74mi/hr or more

• hurricane
• air mass
• blizzard
• front
• high pressure system