they occur everywhere
Yes. Hail occurs in thunderstorms, though not all thunderstorms.
Rain, thunderstorms
tornadoes.
Tornadoes don't form into thunderstorms, they are produced by thunderstorms. This occurs when the rotating updraft present in some thunderstorms, mostly supercells, tightens, intensifies, and stretches toward the ground.
nicole
Cumulonimbus
No. This is closer to the number of thunderstorms that hit the U.S. in a year.
about 10,000
No. Tornadoes are possible just about everywhere there are thunderstorms.
Everywhere that there are thunderstorms.
A tornado usually forms from a mesocyclone, which occurs in the updraft or rear portion of some thunderstorms.
Hail is formed in severe thunderstorms with strong updrafts that carry raindrops to high altitudes where they freeze. It is not always present in the atmosphere but occurs when specific conditions are met in thunderstorms.