clouds
fronts
thunderstorms
tornadoes
hurricanes
100

How are clouds classified?

Clouds are mainly classified by shape and height 

100

what front over takes a cold air mass and moves over it?

 A warm front

100

what is a thunderstorm? 

Very strong storms with heavy rain, lightning, and thunder.  

100

what is another name for tornadoes?

Twisters


100

where do hurricanes form? 

They form over warm water 

200

What clouds bring fair weather?

Cirrus clouds 

200

what front goes under a warm air mass and pushes it up rapidly?

A cold front 

200

When do thunderstorms usually form?

They usually form in the afternoon.

200

What is a tornado called over water?

a waterspout  

200

Do all hurricanes have to have a name?

A warning is when it is happening, and a watch is when it is possible

300

which clouds can bring thunderstorms?

cumulus clouds.

300

what weather does a warm front bring?

rain showers, or hot and humid weather follows.

300

what creates thunder? 

When a lightning bolt is so hot it makes the air expand and contract rapidly.

300

what is the scale for classifying a tornado? 

The Fujita scale

300

What is the first stage of a hurricane when it's forming?

Warm air rises over warm tropical waters, forming and area of low air pressure.

400

what clouds are made of snow and rain?

stratus clouds

400

whart weather does a cold front bring?

Violent storms or fair, clear weather.

400

Lightning can occur where? 

Lightning can occur inside a cloud, from one cloud to another cloud, or from a cloud to the ground.

400

what is the lowest-level tornado on the scale?

F0

400

How fast do the winds need to reach to be considered a hurricane?   

seventy-four miles an hour

500

What cloud brings severe weather?

cumulonimbus 

500

what happens when there is a stoinary front?

There is a standoff between a warm and cold air mass.

500

what are the three stages of a thunderstorm? 

The developing stage, The maturing stage, The dissipating.

500

What is the difference between a watch and a warning? 

A warning is when it is happening, and a watch is when it is possible

500

what are the hurricane's outer rainbands called?

The spiral rainband's