What is the coldest point in the atmosphere?

Which type of air mass brings hot, dry weather?

What is radiation fog that extends no more than 2m (6 ft) above the ground called?

What indicates that a frontal cyclone has reached its full strength?

What portion of a lightning bolt produces thunder?

What forms the brilliant flash of a lightning bolt?

What is the downward stream of electrons that causes a single lightning bolt to make a second strike?

What is a wind that reverses its direction from season to season?

Which type of drought is defined by its affects on an areas ground water, streams, lakes, and reservoirs?

Why does the southern hemisphere receive more insolation during the southern summer then the northern hemisphere receives during the northern summer?

What is the most abundant gas in the homosphere?

What instrument uses a flexible, airtight metal box to measure changes in the atmospheric pressure?

What is a tropical low pressure system that does not have rotating winds?

Which of the following instruments is used to measure high altitude weather conditions?

In what process does rain form through large cloud droplets hitting each other and merging to form larger drops?

What scale is used to rank hurricane strength?

What scale is used to classify tornadoes?

When does a rotating column of air become a tornado?

What term describes atmospheric conditions that limit the height to which rising air can travel?

What is the point where the solar wind pushes on earth's magnetic field?

What forms when water vapor in the air touches cool ground and turns into a liquid?

What is the feathery deposit of ice crystals that forms when water vapor crystallizes on the ground?

What thunderstorm stage is marked by the arrival of precipitation?

What instrument indicates the direction of wind?

What is an instrument that measures wind speed?

What is heat transfer by electromagnetic waves?

Which type of cloud is characteristically lens shaped?

What is the most destructive force of a hurricane?

What is the movement of water from the earth's surface into the air, and back to the surface?

What are the surface winds that blow toward the equator in the tropics?

Which of the following is one of the three major factors that causes weather?

What are warm, dry winds that travel down mountain slopes?

What is the change in the direction of winds caused by Earth's rotation?

What colorful displays occur when solar wind particles react with molecules in the atmosphere?

What instrument do meteorologists use to measure the distance from the ground to the base of clouds?

Which of the following is an advantage of Doppler weather radar over older radar systems?

What extremely powerful radiation heats the molecules of the ionosphere?

What is the reflected light from high altitude lightning strikes in distant thunderstorms called?

Which type of lightning comes from the top of a large thunderstorm?

Why does a weather balloon expand as it rises?

What is liquid precpitation that is between 0.2 MM and 0.5 MM in diameter?

What type of precipitation is made of raindrops that freeze into tiny balls of ice before they hit the ground

What is the convection cell that exists between the equator and latitude 30°?

Which type of cloud usually produces heavy rains, strong winds, and sometimes hail or tornadoes?

What process traps heat in earths atmosphere?

What is a map that summarizes the weather conditions throughout the entire country at a single point in time?

What process occurs when air expands with no heat gained or lost?

What is the boundary formed when a cold air mass moves into the territory of a warm air mass?

What type of high-level clouds form wispy streamers that look like feathers or hair?

What is a large, rotating updraft, in a supercell thunderstorm?