Off-scale is a modern adjective of which I was not sure if I approved. I have just got back to my apartment in Okinawa after an epic trip back from SF. It is 1:30 am.
There has been a mega typhoon through whilst I was away. Rats – I love typhoons. I run to the barograph to see how low the pressure got. Whoa! Gold medal to Bolaven!
I have never, never seen anything like this. Nunc Dimitis!
Off-scale!
The Quiet Ripple Defines The Pond 
Well actually gentlefolk now abed think themselves rather fortunate not to have been there. No wonder Japanese fishermen wear such quick-release trousers.