video solution #2- extreme weather
Post on 14-Aug-2015
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- 1. Give an explanation as to how a Supercell Thunderstorm can develop a rotating updraft. Elizabeth Greenblatt
- 2. What is a Supercell Thunderstorm? Also known as a Severe Thunderstorm Must contain at least one of the following characteristics: Hail with a diameter of three-quarter inches or greater Wind damage or gusts of 50 knots (~58 mph) or greater And/or a tornado
- 3. Destabilizing the Atmosphere Mechanisms of producing a larger lapse rate Heating the ground and warming the surface Bring in cold air aloft Both heating the group and cold air aloft Convective Instability
- 4. What is the rotating updraft? Formed when a thunderstorm meets the strong gusts of wind Usually found towards the rear of the Supercell thunderstorm Also called mesocyclone Possible contributor to tornados
- 5. Severe Thunderstorms vs. Air-Mass Thunderstorms Tilt of the updraft: Air-Mass Thunderstorms: updraft of air is vertical Severe Thunderstorms: updraft is tilted Tilt of updraft can produce more severe weather
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