4. Mature Stage Ordinary Air Mass Thunderstorm

5. Developing Air Mass Thunderstorm (11 km)

6. Dissipating Air Mass Thunderstorm

7. Multicell storm

8. Severe Thunderstorms
Slanting updraft and downdraft

9. Multicell storms
Downbursts microbursts and macrobursts

10. Dust clouds from microbursts

12. Wind shear

13. Pre frontal
Squall
line

14. Pre frontal
Squall
line

15. Squall Line with trailing stratiform top

16. Non-rotating thunderstorm can result in straightline winds
Or Derechos

17. Supper cell
Thunderstorms

18. Supper cell Thunderstorm
Severe long lasting storm with a violent rotating updraft.

25. Flash Floods
Slow moving or Stalled thunder Storm, especially in canyon areas
135 deaths in 1976 flood
12 inches of rain in 4 hours
(normal ~16 inches /year)

30. Mesoscale convective complex