Across
- 5. contain many instruments for measuring weather conditions.
- 9. form high in the troposphere. Because it is so cold they are made of ice crystals.
- 13. occurs when a cold air mass runs into a warm air mass.
- 14. a person who studies weather
- 17. occur low in the troposphere. They form in layers that spread horizontally and may cover the entire sky
- 21. have more air pressure than their surroundings.
- 22. high water located in the low pressure of the eye of the hurricane
Down
- 1. a enormous storm with high winds
- 2. "suck" air into them because nature wants everything to have equal pressure.
- 3. shows the continuous movement of water within the Earth and atmosphere
- 4. This instrument is used to measure wind speed.
- 5. When a warm air mass runs into a cold air mass
- 6. The barometer measures the amount of air
- 7. a huge release of electricity
- 8. are white and puffy. Convection currents make them grow upward
- 10. Weather forecast models are computer programs that analyze all the complex data received from weather instruments
- 11. Shows the weather at a specific weather station at a specific time
- 12. A weather radar is used to locate precipitation, calculate its motion, estimate its type
- 15. Measure the amount of air pressure at various heights
- 16. large body of air that has about the same conditions throughout.
- 18. a snow storm that has high winds
- 19. a funnel shape cloud with whirling high winds
- 20. air that heats and expands so quickly that it explodes it makes a noise
- 23. a storm with heavy rains and lighting