EARTHSC 2GG3 Chapter Notes - Chapter 9: Wind Chill, Tornado Watch, Smokejumper
1 Oct 2016
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Roofs/walls off sturdy houses, trains overturned, most trees uprooted, heavy cars uplifted and thrown. F-4: devastating, well-constructed houses are leveled, weak structures blown off, large missiles. F-5: incredible damage, strong houses lifted and carried/ disintegrate, missile the size of car, de-barked trees. Great damage next to areas of minor damage very selective. Damage to a house is first roof, then glass, then exterior and interior walls. Doppler radar to predict/identify tornadoes in ts. If storm seems capable of tornadoes tornado watch is issued. Warning is when the tornado is sighted. Safety: seek shelter underground, or inside strong houses away from walls and windows. Otherwise, lying in a ditch, covering your head. Main danger is fine debris! mobile home or car is not safe. Drive away to safety at right angles to tornado: wildfires and avalanches. Wildland fires allow for forest thinning, reduced understory fuel, permitting growth of particular species in trees. 3 components needed for fire: fuel, oxygen, heat.
