AVN 500 MB HEIGHT/VORTICITY VALID 12Z 1/25

36 HR AVN FCST FROM 00Z 1/24 24 HR AVN FCST FROM 12Z 1/24
18 HR AVN FCST FROM 18Z 1/24 12 HR AVN FCST FROM 00Z 1/25

The trend by the AVN to produce a stronger 500 mb low on the east coast and track it further to the west with each run is quite evident.