WEATHER HAZARDS Flashcards
(38 cards)
What is high pressure
When air is sinking
What is low pressure
Occurs when air is rising
Does Air move from high-pressure to low pressure or from low pressure to high-pressure
High pressure to low pressure
What is the biggest desert in the world
Antarctica
The definition of a desert is a place that has less than 1 mm of rain a year
What happens when air is warm
It expands and rises
It is less dense
We get clouds and rain
This is low pressure
What happens when air is cold
It sinks
It is more dense
We get good weather, few clouds or no rain
This is high-pressure
How is wind created
When cool air replaces hot air
What pressure is the North Pole and South Pole
High pressure
What pressure is the Arctic and Antarctic Circle
Low pressure
What pressure is the Tropic of Cancer and the Tropic of Capricorn
High pressure
What pressure is the equator
Low pressure
What cell is the gap between the equator and the Tropics called
Hadley cell
What cell is the gap between the tropics and the circle is called
Ferrel cell
What cell is the gap between the circles and the pole is called
Polar cell
Name the three types of cells the Earth has
Hadley cell
Ferrel cell
Polar cell
What is a tropical storm
Very intense areas of very low pressure, approximately 1000 km in diameter
Also known as hurricanes, cyclones or typhoons
Where do tropical storms form
Over water that is above 26. 5°C
Warm water heats the air above it causing it to rise rapidly
Which bands of latitude on the Earth do you tropical storms occur
Tropic of Cancer and the Tropic of Capricorn
What is the centre of a tropical storm called
The eye of the storm
Which way do you tropical storms spin in the northern hemisphere
Anticlockwise
Which way did tropical storm spin in the southern hemisphere
Clockwise
What is the eye of the storm
The centre of a tropical storm
An area of clear sky and low winds
What is the next layer from the eye of the storm cold in a tropical storm
The eye wall
What is the eye wall of a tropical storm
The area with the maximum windspeed of up to 225 mph and torrential rain
