[1/3] A key source of uncertainty regarding the position/intensity of our midweek storm is the intensity of the trough entering OR tonight (as per Stony Brook sensitivity analysis).

Lower heights over OR tonight seem to support a track farther NW on Wednesday night. pic.twitter.com/vHvfTxig1k

— Jack Sillin πŸ‡ΊπŸ‡¦ (@JackSillin) December 13, 2020