1. Chapter 3 Weather Fronts and Storms
Vocabulary Review

2. the boundary between two air masses
front

3. a large and often stormy weather system that occurs when air moves around and into a low-pressure center, then moves up to higher altitudes
low-pressure system

4. a blinding snow storm with winds of at least 35 mi/hr (56 km/hr), usually with temperatures below 20 degrees F (-7 degrees C)
blizzard

5. a large volume of air that has nearly the same temperature and humidity at different locations at the same altitude
air mass

6. a rapid rise in the water level in a coastal area that occurs when a hurricane pushes a huge mass of ocean water, often leading to flooding and widespread damage
storm surge

7. a scientist who studies weather
meteorologist

8. a low pressure-system that starts in the tropics with winds of at least 40 mi/hr (65 km/hr) but less than 74 mi/hr (120 km/hr)
tropical storm

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

10. a generally calm and clear weather system that occurs when air sinks down in a high-pressure center and spreads out towards areas of lower pressure as it nears the ground
high-pressure system

11. a storm with thunder and lightning
thunderstorm

12. a tropical low-pressure system with sustained winds of 74 mi/hr (120 km/hr)
hurricane

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