Correct Answers
\Q\.What happens to warm, moist air when it rises? - ANSWERS✔-it expands, cools, and
condenses into water droplets
\Q\.What happens when a cold air mass collides with a warm air mass? - ANSWERS✔-It forces
the warm air up rapidly and produces thunderstorms
\Q\.Which is heavier dry air or moist air? - ANSWERS✔-Dry air
\Q\.What causes lightening? - ANSWERS✔-separation of electrons/charges (base- and top+)
\Q\.What causes thunder? - ANSWERS✔-lightening heats up air, causing a rapid expansion
\Q\.What causes hail? - ANSWERS✔-Thunderstorms. When strong winds push raindrops up into
the atmosphere and cold air freezes them
\Q\.What distinguishes supercell from all other thunderstorms and how do supercell develop? -
ANSWERS✔-Supercell are large thunderstorms that rotate and form strong wind shears that
lead to horizontal vortex that is then rotated upwards
\Q\.Why is hail often found in front of a tornado? - ANSWERS✔-Downdraft will lead the updraft,
so the updraft is right behind the downdraft (where the hail is)
, \Q\.Which way does the wind blow near a tornado? - ANSWERS✔-towards the tornado
\Q\.Tornados occur worldwide, how many tornados occur in the US each year? - ANSWERS✔-
1,000 per year
\Q\.How the Enhanced Fujita Scale rates tornados? - ANSWERS✔-based on damage
\Q\.When is the prime season for tornados? - ANSWERS✔-during the spring
\Q\.That Doppler radar cannot easily measure what - ANSWERS✔-tornado wind speeds
\Q\.Where do you take shelter from a tornado while outdoors? - ANSWERS✔-indoors
\Q\.Where do you take shelter from a tornado while indoors? - ANSWERS✔-in the basement or
a place with little to no windows
\Q\.Where do you take shelter from a tornado while in a car? - ANSWERS✔-drive away at right
angles or in a low spot
\Q\.What is the biggest danger from tornados? - ANSWERS✔-flying objects
\Q\.What can tornados generally pick up? - ANSWERS✔-cars, shudders, barn walls, small or big
animals, trucks
\Q\.Can tornados be generated by wildfires? - ANSWERS✔-yes, they are called fire whirls