| Relative vorticity 1000mb |
| Relative vorticity 850mb |
| Relative vorticity 500mb |
| Relative vorticity 1000mb |
| Relative vorticity 850mb |
| Relative vorticity 500mb |
| Relative vorticity 1000mb |
| Relative vorticity 850mb |
| Relative vorticity 500mb |
Copyright © Roger Smith