Weather Will

WB 12Z GFS 1 pm flip DC; 4; 1 am, 4 am

WB 12Z RRFS

Great test for the NAM replacement. RRFS is what the NWS must be leaning on....orientation of the precip shield is much better. DC gets heavier snow 4-9am Sunday.

WB 12Z RRFS

Much better than WB 12Z 12K NAM compared to 6Z

Taking a walk; surface temps are going below freezing again- at least we don't have that to worry about that with this storm.

WB 12Z HRRR hr 48 700 mb

WB 12Z NBM para

Good start to 12Z.

WB HRRR at range 7am Sunday

Don't know if it means anything for us, but WB 12Z HRRR is a tick south at HR 31 compared to 6Z in Midwest

12Z runs are running. Most important run of 2026 since 6Z.... WB 12Z HRRR

WB 9Z NBM para

Will lean on the RGEM and 3K NAM for precip types. Even an hour difference if there are heavy rates makes big difference in accumulations and the globals won't nail that to the hour as well.

WB 6Z Euro 4 am Monday