* Although tornadoes occur worldwide, the greatest concentration is in the United States. About how many tornadoes are formed here in an average year?
* Which of these is documented as the greater single outbreak of tornadoes?
* Early radar detection of potential tornadic storm systems have greatly reduced the number of deaths from tornadoes. The last single storm to take 80 or more lives occurred in 1955 in this town:
* This Texas community was leveled by two F-5 tornadoes, on April 3, 1964 and 'Terrible Tuesday', April 10, 1979:
* What year was the first tornado accurately predicted before it struck?
* What is NOT a clue to a developing tornado?
* Although 70 percent of all deaths come from F5 tornadoes, what percentage of total tornado formations do F5's comprise?
* What year was the Tornado Intercept Project, using Doppler radar and storm chase personnel, formed?
* In what year was the earliest photo taken of a tornado?
* What is the name given to a supercell system that spawns multiple vortices simultaneously?
* At about what time of day is the formation of tornadoes most favorable?
* One of these areas received one or more tornadoes between 1950 to 1995. The rest saw NO tornadic activity. Spot the odd one out:
* As deadly as they are, what storm phenomenon leads tornadoes in total fatalities?
* Which is NOT a main stage in the life of a tornado?
* As water droplets freeze, they grow into tiny snow crystals. These stick together to make what?
* If the air is cold and dry, what type of snow is made?
* Why doesn't snow always melt right away in sunny weather?
* Wet snow that splashes and makes puddles is called?
* What rule of thumb is often given for the amount of snow that one centimeter of rain freeze into?
* When snow begins to melt at the end of winter, what is it called?