Eastern Mass Gets Their Swag Back - SWFE on Steriods - Region wide Major Snowfall - Jan 25-26, 2026 Nowcast/Obs.

[Sey-Mour Snow]

We are 12 hours away from what promises to be the most widespread New England snowstorm in several years.

Around a foot of snow is a lock for many, however some questions remain.

Nowcasting will be important as we track the following:

1. 700mb warm layer which may cut down accumulations along the south shore and cape possibly up to I-84. NAM and GFS are now the warmest. While HRRR and RGEM and RAP are the coldest. An extra hour or two in the "thump" can be the difference between 8" or 12"+ along the south shore.

2. Snow growth and snow rates. How many hours can the zone of greatest uncertainty (south coast) maintain great snow growth.  I will be following the snow rates down to our SW to see if we have an overperformer on our hands.  

3. Extent of heavy accumulations into NNE?

4. Wrap around snows on Monday, will there be accumulating snow? How far SW will it extend? 

 

[WxWatcher007]

We pass the obs thread juju baton. Let’s get a region wide crushah.

[Sey-Mour Snow]

HRRR trending thumpier.. Eric Webb also reporting from the Carolina's that the HRRR verifying better than the NAM early on for ptype there.  Hrrr is unbelievably cold for the NYC Metro tomorrow with a massive thump wow.. Good news for the rest of New England on the thump if that verifies 

[40/70 Benchmark]

1 minute ago, Sey-Mour Snow said:

HRRR trending thumpier.. Eric Webb also reporting from the Carolina's that the HRRR verifying better than the NAM early on for ptype there. 

Post it

[Sey-Mour Snow]

5 minutes ago, 40/70 Benchmark said:

Post it

Band rotting over EMASS at 02z

 

[moneypitmike]

HRRR is south and cold.  GYX bring 'em down.

[Sey-Mour Snow]

Interesting, that's too cold I think, southern outlier, kinda of like the old rap runs

[Damage In Tolland]

15 minutes ago, Sey-Mour Snow said:

Band rotting over EMASS at 02z

 

North of 90 ain’t like that 

[Sey-Mour Snow]

3 minutes ago, Damage In Tolland said:

North of 90 ain’t like that 

it wasn't done yet, I'll post the full run when I have it, it's goods for all , very juicy

[WxWatcher007]

Yeah we just need qpf up here. Give us that and I will roll the dice on ratios