1. Quickly leave the beach.

Potential Lens of Use: Panasonic Lumix S5
Where to Purchase: Amazon Average Price: $2,298*
This photographer captured a seemingly “tsunami cloud” moving into Australia at the ideal moment. Hopefully, the person who took the picture quickly went inside because it appears that this violent, menacing storm is here to stay.

Quickly leave the beach at @r/SkyPorn/Reddit.
Storm clouds move swiftly, so if you want to get weather photos like this, you have to move quickly. Roll or shelf clouds, another name for tsunami clouds, form ahead of approaching storms and serve as an early warning system to head inside as soon as possible.