If the -NAO/ corresponding trough under the block is in place then the -PNA May serve us a shortwave handoff under the block, like the “threat” we’re seeing around d8-10, but this mainly applies to CAD regions (VA/NC/SC/NGA), would help if we could get ridging poleward around AK to unlock some deeper coldA -pna is definitely not good. I guess convection is in the maritime continent or we wouldn't be having this pattern.