How are clouds classified?
Clouds are mainly classified by shape and height
what front over takes a cold air mass and moves over it?
A warm front
what is a thunderstorm?
Very strong storms with heavy rain, lightning, and thunder.
what is another name for tornadoes?
Twisters
where do hurricanes form?
They form over warm water
What clouds bring fair weather?
Cirrus clouds
what front goes under a warm air mass and pushes it up rapidly?
A cold front
When do thunderstorms usually form?
They usually form in the afternoon.
What is a tornado called over water?
a waterspout
Do all hurricanes have to have a name?
A warning is when it is happening, and a watch is when it is possible
which clouds can bring thunderstorms?
cumulus clouds.
what weather does a warm front bring?
rain showers, or hot and humid weather follows.
what creates thunder?
When a lightning bolt is so hot it makes the air expand and contract rapidly.
what is the scale for classifying a tornado?
The Fujita scale
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.
what clouds are made of snow and rain?
stratus clouds
whart weather does a cold front bring?
Violent storms or fair, clear weather.
Lightning can occur where?
Lightning can occur inside a cloud, from one cloud to another cloud, or from a cloud to the ground.
what is the lowest-level tornado on the scale?
F0
How fast do the winds need to reach to be considered a hurricane?
seventy-four miles an hour
What cloud brings severe weather?
cumulonimbus
what happens when there is a stoinary front?
There is a standoff between a warm and cold air mass.
what are the three stages of a thunderstorm?
The developing stage, The maturing stage, The dissipating.
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
what are the hurricane's outer rainbands called?
The spiral rainband's