Weather Study Guide

Precipitation

1)  Frost is dew that forms when the air temperature is below freezing.

2) Most precipitation comes from Clouds.

3) Hail forms from the strong updrafts of these clouds. Cumulonimbus Clouds

4) When raindrops freeze on the ground they make freezing rain.

5) Frost only forms in winter.

a)  True

b)  False

Tornadoes

1)  Tornadoes can be produced by severe thunderstorms.

2)  Tornadoes form over land.

a)  true

b)  false

3)  Tornadoes…

a)  are very narrow in scope.

b)  affect wide areas at a time.

c)  lose energy as they move across the ground.

d)  all of the above

e)  a and c, but not b

4)  Only one tornado will form per day, usually in the afternoon.

a)  true

b)  false

5)  A tornado with winds of 170 MPH that is lifting cars of the ground would be classified as…

a)  F3

b)  F5

c)  F6

d)  F4

6)  Tornado Alley is an area of the United States where warm moist air from the north collides with cool dry air from the south.

a)  true

b)  false

Thunderstorms

Write true if the statement is true or false if the statement is false.

True 1. Thunderstorms occur when the air is very warm and humid.

False 2. Thunder is caused by clouds rubbing together.

True 3. Severe thunderstorms may produce tornadoes.

True 4. Tornadoes may be hundreds of kilometers wide.

False 5. Hurricanes gain strength when they go ashore.

False 6. The Fujita scale is used to classify hurricanes.

False 7. All the damage done by hurricanes is caused by high winds.

True 8. Windchill depends on air temperature and wind speed.

True 9. Lake-effect snow occurs because of differences in temperature between land and water.

False 10. Storms that may have the greatest wind speeds are blizzards.

Hurricanes

1)  Hurricanes are formed from tropical cyclones.

2)  Unlike tornadoes, hurricanes form over water.

a)  true

b)  false

3)  The low pressure center of a hurricane is also known as its …

a)  apex.

b)  focus.

c)  eye.

d)  origin.

4)  Hurricane season occurs when ocean waters are warmest in the summer and autumn.

a)  true

b)  false

5)  Hurricanes over the Atlantic Ocean will…

a)  move to the west in low latitudes.

b)  move to the northeast in mid-latitudes.

c)  move to the east in low latitudes.

d)  a and b, but not c

2