Crossword Genius

Downshifted drive to, say, moorage in a storm (3,4)

Ross

I believe the answer is:

low gear

I'm a little stuck... Click here to teach me more about this clue!

'storm' is the definition.
Although both the answer and definition are singular nouns, I can't understand how one could define the other.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for low gear that I've seen before include "for hill-climbing?" , "one crawls along in?" , "Engine (uphill) setting" , "which is needed for hills" , "It's engaged while driving up or down a steep hill" .)

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app