Video Solution #2- Extreme Weather
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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