ATMOS 1010 FINAL EXAM QUESTIONS AND ANSWERS
What are the three basic ingredients for a winter storm? - Answers - Cold air, lift, and moisture.
What is supercooled water? - Answers - Liquid water that is below 0 degrees C
What is thundersnow? - Answers - lightning that occurs during a snowstorm
For lake effect snow, what large scale weather pattern is needed? - Answers - A cold airmass moves over
a large body of warm water.
What condition is present during a lake effect snowstorm? - Answers - The lake temperature is warmer
than the air temperature.
What should you do when traveling in avalanche terrain in order travel safely and minimize your risk? -
Answers - Only expose one person to hazard at a time and stay alert to changing conditions.
On what slope angles do most avalanches occur? - Answers - more than 50 degrees
Imagine there are two lake in the western U.S.. Lake A has flat terrain downwind, but lake B has
mountains downwind. Which lake will likely have higher lake effect snow amounts? - Answers - Lake B
What state has the greatest number of thunderstorm days per year? - Answers - Florida
What is the rotating updraft of a Supercell Thunderstorm called? - Answers - Mesocyclone
What forecasting technique involves running several different computer models over the same area, or
running the same model several times with varying starting weather conditions? - Answers - Ensemble
Forecasting
Why doesn't the west coast of the U.S. experience very many thunderstorms? - Answers - Cold ocean
waters suppress convection.
What process leads to charge separation in a thunderstorm? - Answers - Graupel colliding with water
droplets and ice crystals.
What creates the sound of thunder? - Answers - Heated air rapidly expanding and creating a shock wave.
What is true about the most common types of transient luminous events (TLEs), such as red sprites, blue
jets, and elves? - Answers - They all occur high in the atmosphere above thunderstorms.
What is necessary for a hailstone to form in a thunderstorm? - Answers - Supercooled water and a
moderate to strong updraft.
In the U.S. what states usually have the most hail days per year? - Answers - Nebraska, Colorado, and
Wyoming.
What are the three basic ingredients for a winter storm? - Answers - Cold air, lift, and moisture.
What is supercooled water? - Answers - Liquid water that is below 0 degrees C
What is thundersnow? - Answers - lightning that occurs during a snowstorm
For lake effect snow, what large scale weather pattern is needed? - Answers - A cold airmass moves over
a large body of warm water.
What condition is present during a lake effect snowstorm? - Answers - The lake temperature is warmer
than the air temperature.
What should you do when traveling in avalanche terrain in order travel safely and minimize your risk? -
Answers - Only expose one person to hazard at a time and stay alert to changing conditions.
On what slope angles do most avalanches occur? - Answers - more than 50 degrees
Imagine there are two lake in the western U.S.. Lake A has flat terrain downwind, but lake B has
mountains downwind. Which lake will likely have higher lake effect snow amounts? - Answers - Lake B
What state has the greatest number of thunderstorm days per year? - Answers - Florida
What is the rotating updraft of a Supercell Thunderstorm called? - Answers - Mesocyclone
What forecasting technique involves running several different computer models over the same area, or
running the same model several times with varying starting weather conditions? - Answers - Ensemble
Forecasting
Why doesn't the west coast of the U.S. experience very many thunderstorms? - Answers - Cold ocean
waters suppress convection.
What process leads to charge separation in a thunderstorm? - Answers - Graupel colliding with water
droplets and ice crystals.
What creates the sound of thunder? - Answers - Heated air rapidly expanding and creating a shock wave.
What is true about the most common types of transient luminous events (TLEs), such as red sprites, blue
jets, and elves? - Answers - They all occur high in the atmosphere above thunderstorms.
What is necessary for a hailstone to form in a thunderstorm? - Answers - Supercooled water and a
moderate to strong updraft.
In the U.S. what states usually have the most hail days per year? - Answers - Nebraska, Colorado, and
Wyoming.
