What is a large region of air that has a similar temperature and humidity
Air Mass
100
A thunderstorm can turn into a what?
tornado
100
A tropical storm is called a hurricane when the wind speed reaches more than (how fast)?
173 miles per hour
100
When does flooding occur?
When the ground can't absorb all the water.
100
What do the state in Tornado alley have in common to help tornados form?
They're flat
200
A storm that includes lightning and thunder
Thunderstorm
200
From the ground the shape of the cloud is a ________ (1 word) in a tornado
funnel
200
Hurricanes are large enough to cover several ______ at the same time. (what word goes in the blank)/
states
200
A seasonal wind that brings heavy rain in Southeast Asia is called what?
A monsoon
200
When water vapor that is evaporating after a rainstorm comes in contact with cool air near the ground and condenses what forms?
Fog
300
Water droplets combine and grow larger until they fall. What's this called?
Precipitation
300
When an area of low pressure air is surrounded by higher pressure air, it's called a...
low pressure closure
300
From space hurricanes look like a spiral of clouds with a hole in its middle. The hole in its middle is a low pressure area often called the _______ of the hurricane. (fill in the blank)
eye
300
fog is considered a form of severe weather when it is dense enough to limit what can be seen to no more than (how far)?
One fourth of a mile
300
you see a bolt of lightning and 15 seconds later you hear thunder. How far away is it?
5 miles
400
Lightning raises the temperature of the air around it to more than five times the ........(complete the sentence).
surface of the sun
400
Papers and light objects caught up in a tornado have been found as far away as...(how far away)
125 miles
400
Where are the fastest winds and heaviest rains in a hurricane?
Next to the eye of the hurricane.
400
What causes storms?
Storms are caused by the collision of air masses with different characteristics.
400
If a lightning flash is seen 12 seconds before the thunder is heard, how far away is the lightning strike?
2.25 miles
500
The sound of the rapidly expanding air that surrounds lightning is called what?
thunder
500
Tornados happen all over the United States. But generall they're found in five states: Texas, Oklahoma, Kansas, Nebraska and Iowa. This is known as what?
Tornado alley
500
Hurrican winds can whip up large waves in the ocean. These wave create a bulge of water known as a _______ _______.
(two words)
Storm surge
500
When cold air from the north (Canada) and warm air from the Gulf of Mexico meet the areas of Iowa, Nebraska, Kansas, Oklahoma or Texas....what often happens?
Tornados
500
Tornados and hurricanes are examples of ______? 1 word