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Weather Phenomena

Weather Phenomena. SOL 4.6. Follows along with Interactive Notebook notes. Temperature. Weather Includes:. Precipitation. Wind. Weather Instruments (Tools). Temperature - the measure of the amount of heat energy in the atmosphere Measured using a THERMOMETER.

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Weather Phenomena

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  1. Weather Phenomena SOL 4.6 Follows along with Interactive Notebook notes

  2. Temperature Weather Includes: Precipitation Wind

  3. Weather Instruments (Tools) Temperature- the measure of the amount of heat energy in the atmosphere Measured using a THERMOMETER

  4. Additional Weather Instruments Wind Speed is measured using an ANEMOMETER Wind Direction is measured using a WEATHER VAIN.

  5. Additional Weather Instruments A RAIN GAUGE is used to measure the amount of precipitation.

  6. Precipitation Includes: Rain Snow Formed by ice crystals*

  7. More types of Precipitation: Mixture of snow and rain Sleet Hail Formed by ice crystals*

  8. Air Masses and Fronts Air Masses: formed when air in the atmosphere is heated at the equator and cooled at the poles. Fronts: formed when two air masses of different temperatures and humidity* bump into each other. *Humidity is the amount of water vapor in the air.

  9. Types of Fronts Cold front Warm front Cold air mass pushes into a warm air mass. Warm air mass pushes into a cold air mass.

  10. Additional Weather Tools Air pressureis the result of the mass/weight of the air and temperature pushing on its surroundings. (atmospheric pressure) Measured using a BAROMETER

  11. Do weather forecasters use air pressure to predict the weather? High pressure areas are formed when air is cooled. Low pressure is formed when air is warmed. Weather associated with low pressure areas are: clouds, rain, and wind.

  12. Thunderstorms Storms Tornadoes Hurricanes

  13. Strong winds, heavy rain, thunder, and lightning. Thunderstorms Most common in Virginia, but when? How are they formed?

  14. Largest Storm on Earth! Hurricanes Form over warm water How do they begin? What are some of the characteristics of a hurricane?

  15. Tornados Column of warm air begins to spin upward forming a funnel cloud. What types of wind speed and what can they do?

  16. CLOUDS Clouds are formed when warm air carrying water vapor rises from the Earth and the water vapor cools down and connect to each other. Are all clouds the same?

  17. Cumulus Fluffy, white clouds with flat bottoms. Cumulus clouds usually indicate fair weather. (Middle) Resemble?

  18. Cirrus Feathery, wispy, clouds; associated with fair weather. They often indicate that rain or snow will fall within hours. (High) Made from?

  19. Stratus Flat, smooth, gray clouds that blanket/cover the whole sky. (low) What type of weather?

  20. Cumulo-nimbus • Foul weather storm clouds that bring heavy rains and thunderstorms. How are they formed?

  21. Spot the cloud! Low and flat ….. Stratus

  22. Spot the cloud! Middle level, fluffy ….. Cumulus

  23. Spot the cloud! High level, wispy ….. Cirrus

  24. Spot the cloud! Rain bearing, storm clouds ….. Cumulo-Nimbus

  25. Let’s Review  It’s time to play the… Flyswatter Game

  26. The ABC’s of Weather Draw a letter from the bag. Share a word or phrase that begins with the letter to summarize weather. Tara Moore, Elementary Lead Science Teacher Suffolk Public Schools October 2005 Some cloud slides adapted from John Harris, Radley College, UK

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