Transcript Weather & Climate

Weather & Climate
What is the difference between weather and climate?
Weather is the day to day changes in the atmosphere.
temperature
precipitation
humidity
wind speed
wind direction
cloud cover
air pressure
sunshine
What is the difference between weather and climate?
Climate is the overall pattern of weather, usually based
on an average over 30 years.
Click on the buttons to find out about these types of climate.
The water cycle
The water cycle in more detail
What is precipitation?
Precipitation is water from the atmosphere.
It can be in solid or liquid form.
Name as many different types of precipitation as you can!
High Pressure
• Higher pressure than what is
normal for that altitude.
• Brings clear skies and fair weather.
Picture taken from:
http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/high_pressure.html
Low Pressure
• A low pressure region is associated with rising air.
• Clouds, rain, and very strong winds
occur.
Picture taken from:
http://www.windows.ucar.edu/tour/link=/earth/Atmosphere/low_pressure.html
Frontal rain
Convectional rain
Relief rain
Wind
• Caused by the earth’s surface
being heated unevenly by the sun.
• Why would the earth’s surface heat unevenly?
Weather animation
Temperature
• Temperature - Air higher in pressure is usually
cooler air and air lower in pressure is usually
warmer air.
Atmosphere
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Troposphere - Most of the weather
occurs.
Stratosphere - 19% of the atmosphere’s
gases are here; ozone layer is here
Mesosphere - Most meteorites burn up
here.
Thermosphere - High energy rays from
the sun are absorbed; hottest layer.
Exosphere - Molecules from atmosphere
escape into space; satellites orbit here.
Picture taken from:
http://www.windows.ucar.edu/tour/link=/earth/
Atmosphere/layers_activity_print.html
Cloud Types
Picture taken from:
http://commons.wikimedia.org/wiki/File:Cloud_types.jpg
Thunderstorms
• What type of cloud causes these?
• Consists of gusty winds, heavy rain and hail.
• Can result in a tornado
Picture taken from:
http://www.fairfield.k12.ct.us/Rogerludlowe/
crogerludlowe03/webquests/Weather/
thunderstorm.jpg