weather and climate

• weather


  day to day changes in atmospheric conditions
• climate


  average weather conditions over a prolonged period of time including rainfall and temperature
• weather conditions

  • precipitation
  • humidity
  • temperature
  • cloud cover
  • wind
  • sunshine hours
• precipitation


  any form of water falling from the sky such as rain, snow, sleet and hail
• humidity


  the percentage of moisture in the air
• temperature


  how hot or cold it is in degrees celsius
• cloud cover


  the type and amount of clouds in the sky
• wind


  the speed and strength of the air movement
• sunshine hours


  the length of time the Earth's surface is directly exposed to solar radiation
• Summer in HK


  high temperatures, high humidity ,sunny , thunderstorms, typhoons
• everyone on the same latitude usually has the same climate
• equator 


  hot and wet, rapid evaporation and lots of precipitation, high concentration of solar radiation
• tropics


  hot and dry, high concentration of solar radiation
• mid latitudes


  lots of rainfall, cool and wet, 4 seasons
• artics


  minimal rain, cold and dry, has temperatures just above 0 in summer and longer days of sunlight, temperatures below 0 and shorter days of sunlight in winter
• Hong Kong


  sub tropical, we have two seasons
• places near the equator do not have seasonal variations but they have a wet and dry season
• 1 orbit around the sun takes 1 year
• earth spins while orbiting, 1 spin= 1 day
• amount of solar concentration depends on angle that the sun shines on