Question

i need 10 sentences on what causes tornadoes

Answer 1

Answer:

What causes tornadoes?

Tornadoes form in unusually violent thunderstorms when there is sufficient (1) instability and (2) wind shear present in the lower atmosphere.

Tornadoes form in unusually violent thunderstorms when there is sufficient (1) instability and (2) wind shear present in the lower atmosphere.Instability refers to unusually warm and humid conditions in the lower atmosphere, and possibly cooler than usual conditions in the upper atmosphere. Wind shear in this case refers to the wind direction changing, and the wind speed increasing, with height. An example would be a southerly wind of 15 mph at the surface, changing to a southwesterly or westerly wind of 50 mph at 5,000 feet altitude.

Tornadoes form in unusually violent thunderstorms when there is sufficient (1) instability and (2) wind shear present in the lower atmosphere.Instability refers to unusually warm and humid conditions in the lower atmosphere, and possibly cooler than usual conditions in the upper atmosphere. Wind shear in this case refers to the wind direction changing, and the wind speed increasing, with height. An example would be a southerly wind of 15 mph at the surface, changing to a southwesterly or westerly wind of 50 mph at 5,000 feet altitude.This kind of wind shear and instability usually exists only ahead of a cold front and low pressure system. The intense spinning of a tornado is partly the result of the updrafts and downdrafts in the thunderstorm (caused by the unstable air) interacting with the wind shear, resulting in a tilting of the wind shear to form an upright tornado vortex. Helping the process along, cyclonically flowing air around the cyclone, already slowly spinning in a counter-clockwise direction (in the Northern Hemisphere), converges inward toward the thunderstorm, causing it to spin faster. This is the same process that causes an ice skater to spin faster when she pulls her arms in toward her body.

Answer 2

Answer:

1. TORNADOES FORM UNUSALLY VIOLENT { THUNDERSTORM} WHEN THERE IS SUFFICIENT

i. instability

ii. wind shear present in the atmosphere

iii. instability refers to unusually warm and humid conditions in the lower atmos[here, possibly cooler than in upper conditions ,

iv. wind shear in ths case refers to wind direction changing and increases with height,

v. the intense spining of tornado is partly the rsult of updrafts and downdrafts in the thunderstorm

vi.tornado has formed on the boundary between dark clouds and bright

clouds

vii.the squall often become tornadic

viii. isolated storms are more likely to form tornadoes than squall lines

ix. both instability and wind shear are neessary for tornado formation

x. tornadoes can attain wind speeds of more than 300 miles per hour an stay on the ground for dozens of mies more than 100km..

Explanation:

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