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Download 5 th 6 Weeks - Weather Vocabulary
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Transcript
5th 6 Weeks - Weather Vocabulary 1. Weather - the condition of the atmosphere at a place for a short period of time 2. Weather Forecast - a prediction of what the weather will be, based on weather data 3. Weather System - an area in the lower atmosphere where the air is moving around a high or low area 4. Atmosphere - the air that surrounds the Earth 5. Temperature - the average speed of the particles moving in a substance; how hot or cold an area is 6. Meteorology -the study of weather and weather patterns 7. Meteorologist - a scientist who studies the weather and weather patterns 8. Wind - moving air 9. Precipitation - water that falls to Earth's surface as rain, snow, sleet, or hail 10. Rain Gauge - a weather instrument that measures rainfall 11. Anemometer - a weather instrument that measures wind speed 12. Wind Vane - a weather instrument that measures wind direction 13. Barometer - a weather instrument that measures air pressure 14. Thermometer - a tool used to measure temperature 15. Humidity - water vapor in the air 16. Hygrometer - a weather instrument that measures relative humidity 17. Hydrosphere - all the liquid water and ice on earth’s surface, liquid water in the ground and water vapor in the atmosphere 18. Weather Map - a map or chart showing the principal meteorological elements at a given hour and over an extended region 19. Weather symbols - symbols used on a weather map to represent particular weather conditions 20. Map key - an explanation of symbols on a map 21. High (pressure) - on a weather map, an area where the air pressure is higher than it is in surrounding areas. 22. Low (pressure) - on a weather map, an area where the air pressure is lower than it is in surrounding areas 23. Front - a place where two air masses of different temperatures and pressures meet 24. Cold front - the leading edge of a moving mass of cooler air-generally brings violent storms followed by cooler weather 25. Warm front - the leading edge of a moving mass of warmer air-it moves over the top of cold air masses - generally brings rain and showers followed by warmer, more humid weather 26. Stationary front - a boundary between two air masses in which the masses are not moving - generally brings many days of continuous precipitation 27. Occluded front - forms when a cold front overtakes a warm front, capturing the warm air mass between two cold air masses-generally produces light rain or other precipitation 28. Cloud cover - the amount of sun being blocked by clouds 29. Fog- a layered cloud that forms close to the ground 30. Blizzard-a snowstorm with high winds and low temperatures 31. Flash flood-a sudden rush of water that overflows a stream after a heavy rain 32. Flurries-a brief, light snowfall 33. Hurricane-a very large and violent tropical storm 34. Thunderstorm-a storm with lightning, thunder, rain, and sometimes, hail 35. Tornado-a powerful funnel of very strong winds that can form during a thunderstorm