It's blowing a gale.

Meaning

It's very windy.

Examples

• John: I think we should postpone the picnic.
• Alice: Yes, <b>it's blowing a gale</b> outside.
• John: It's too windy to go outside.
• Alice: Exactly! It's much too dangerous. Look at those trees! <b>It's blowing a gale</b>!