1. General Circulation of the Atmosphere

2. Hadley Cell

7. Monsoons A monsoon is a term from early Arabs called the "Mausin," or "the season of winds." This was in reference to the seasonally shifting winds in the Indian Ocean and surrounding regions, including the Arabian Sea.

8. Indian Monsoon SW US Monsoon

9. Monsoon

11. Monsoon Origin

12. West African Monsoon

14. Southwest U.S. Monsoon

18. The Jet Stream A long, narrow current of strong winds in the midlatitudes that is generally found in the upper troposphere and lower stratosphere (roughly 25,000-35,000 ft, 400-250 hPa). First became obvious during WWII as high flying aircraft was sped up and slowed down on their missions. Strongest can exceed 200 mph. Nearly always from the west in midlatitudes

19. B-29s flying westward to Japan

20. Jet Streams are NOT uniform

22. Jet Streams Associated with Horizontal Temperature Gradients

23. Air Masses

26. Maritime Tropical Source Region

27. Continental Polar Source Region

28. Continental Tropical Source Region

30. Maritime Polar

31. Bering Sea Cloud Streets