There is little change in overall thinking with regards to the late week/weekend snowstorm. This is a textbook case of all the ingredients coming together and southern and northern branch energy converging and intensification of an intense, closed upper low right over or just south of Washington DC.

Just look at the latest GFS 500mb chart and see how this thing comes together. Remember the feedback off the coast.

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GFS has about 18-24″ whereas the Canadian has between 20-30″ for the DC area.

The NWS has 22 inches for DC.

See today’s video for more.

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