Module 11 (Lightning and Tornadoes)

What causes Lightning? Which particles go where in a thunderstorm?

The separation of electric charge in a storm. Soft hail goes downwards, and the droplets and ice go upwards.

What is Thunder?

the expansion creates a shock wave that turns into a booming soundwave. air then contracts rapidly as it cools

Where in the US are Thunderstorms common?

south eastern states due to humidity, high heat and warm waters.

What is a downdraft?

A small-scale column of air that rapidly sinks toward the ground, usually accompanied by precipitation as in a shower or thunderstorm

What are the precautions one should take during a thunderstorm?

never take shelter under a tree, stay away fro, metal, go inside building

What are other forms of lightning?

Volcanic lightning, particles from the eruption clouds

What are flash floods? Where do they occur?

flooding that begins within 6 hours, often 3 due to heavy rainfa;;. Occurs in urban areas,

What are Tornadoes? How do they form?

A rapidly rotating colum of air that blows around an area of intense low pressure, with a circulation that reaches the ground.

Forms in a severe ths, or super cell when there is strong wind shear.

What is the scale used to classify tornadoes according to their wind speeds?

Enhanced Fujita Scale

What kind of devastation do Tornadoes cause?

Can break trees, rip roofs, off entire buildings, towns etc.