1. Weather fronts and systems

6. http://www.wundermaps.com/maps/

8. Fronts Where two air masses meet Warm – warm air meets cooler air Cold – cooler air meets warmer air Stationary – warm and cold fronts of equal strength meet Occluded – 3 air masses meet

9. Warm Front

12. Along the front there is rain, followed by slow steady rain

13. To the left (west) of a warm front, there is usually a Low pressure (WARM air)

15. Warm Front Stratus clouds Followed by warmer air, more evaporation Often rainy weather

18. Cold Front

19. Usually stormy weather along the front, followed by a high pressure system (fair weather)

20. Cold Front Cumulonimbus clouds Storms followed by clear, fair, cooler weather

28. Stationary Front

30. Stationary front Stays over an area for a long period of time Usually brings rain

31. Occluded Front Where 3 pressure systems meet May spawn tornadoes, tropical cyclones, hurricanes May be very destructive