Weather & Climate worksheets Atmosphere • Troposphere - Most of the weather occurs. • Stratosphere - 19% of the atmosphere’s gases are here; ozone layer is here • Mesosphere - Most meteorites burn up here. • Thermosphere - High energy rays from the sun are absorbed; hottest layer. • Exosphere - Molecules from atmosphere escape into space; satellites orbit here. layers skydive redbull Weather & Climate Definitions • Weather- “the state of the atmosphere with respect to heat or cold, wetness or dryness, calm or storm, clearness or cloudiness”. • Climate – “the average course or condition of the weather at a place usually over a period of years as exhibited by temperature, wind velocity, and precipitation” weather map Weather Climate High Pressure • Higher pressure than what is normal for that altitude. • Brings clear skies and fair weather. Picture taken from: http://www.windows.ucar.edu/tour/link=/earth/Atmosp here/high_pressure.html Low Pressure • A low pressure region (depression or cyclone) is caused by rising air. • Clouds, rain, and very strong winds occur. pressure systems Picture taken from: http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/low_p ressure.html Cloud Types Picture taken from: http://commons.wikimedia.org/wiki/File:Cloud_types.jpg cloud demo Thunderstorms • What type of cloud causes these? cumulonimbus • Consists of gusty winds, heavy rain and hail. • Can result in a tornado Picture taken from: http://www.fairfield.k12.ct.us/Rogerludlowe/ crogerludlowe03/webquests/Weather/ thunderstorm.jpg Lightning • How is lightning made? lightning lightning strikes Charges build in the atmosphere/on the surface • What common occurrence is lightning on a very small scale? Static electric shock • Interesting Fact: More people are killed by lightning per year than in tornadoes!!! Picture taken from: http://hibp.ecse.rpi.edu/~connor/education/Surge/ images/lightning.jpg Tornado • A tornado is a violently rotating column of air • In contact with both the surface of the earth and a cumulonimbus cloud birth of a tornado Inside tornado footage 1 tornado footage 2 car I survived Hurricane • Rapidly rotating storm system • low-pressure center • strong winds • Spiral arrangement of thunderstorms • Form over large bodies of water Katrina before, after, and now sandy sandy jersey shore Hurricane Sandy Stats • • • • • • 25,000,000,000 - Estimated dollar value of the lost business activity as a result of Sandy, according to financial analysis firm IHS Global Insight. 8,100,000 - Number of homes that lost power. The outages affected people in 17 states, as far west as Michigan. 10 - How many Sandy-related photos per second were uploaded to Instagram on October 29th. 124 - Number of years since the New York Stock Exchange was closed for two consecutive days because of weather; the last time was during the Blizzard of 1888. 820 - Sandy’s size in miles, as measured by diameter. 20,000,000 - Approximate number of tweets sent about Sandy between Oct. 27 and Nov.1.