zzzh wrote:CrazyC83 wrote:Has a model ever forecast a sub-900 pressure - for an extratropical cyclone?
Yes
https://x.com/RyanMaue/status/1582008472425885697
That one is near Antarctica. Those storms that circle Antarctica are quite intense. I would not want to be caught in one in the middle of the ocean.


I am pretty sure there have been sub-900 millibar extratropical storms in the past.