Unit 4.4 and 4.7 Atmospheric Science Diagram Notes

Seasons

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• Seasons of the Earth created from the tilt on its axis and the revolution around the sun every 365.342 days
• Winter Solstice
  • Dec. 21
  • Shortest daylight hours
  • 24 hours night in Arctic
  • 24 hours day in Antarctic
• Summer Solstice
  • June 21
  • Longest daylight hours
  • 24 hours day in Arctic
  • 24 hours night in Antarctic
• Autumnal Equinox
  • Sept 21
• Vernal Equinox
  • March 21

Convection

• Warm moist air rises, cools in upper atmosphere, drops moisture and diverges. Cool, dry air falls on a different latitude.

• Many deserts are found around 30° N and S latitudes from this process.

  

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