Hurricane Harvey: It's big. Really big. And some say it could be as bad as Hurricane Katrina.

Tropical Storm Harvey is not your typical storm.

Here's what Hurricane Harvey looked like
from space as it neared the coast of Texas.

The US National Weather Service has described it as "unprecedented" and warned its impacts will be "beyond anything experienced”.

Those aren't words that are used lightly.

And by now you've probably seen how big it is, from this photo taken from the International Space Station:

But if that's not enough, let's try adding some more perspective.

Read the ABC News story - “Hurricane Harvey: It's big. Really big. And some say it could be as bad as Hurricane Katrina.”

(“Typical” is term from history - the likes of Tropical Storm Harvey is the new norm - Robert McLean)