12z RAOBS coming in with higher heights than 00z GFS across the W US, though less near the shortwave entering WA/OR compared to the downstream ridge.
— Jack Sillin πΊπ¦ (@JackSillin) January 13, 2022
Also note lower ON heights.
To me this suggests we might see today's guidance slow the storm down a bit and possibly wobble SE. pic.twitter.com/NfLZx1ZMc2