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PD Holiday Weekend Mess DISCO


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1 minute ago, ORH_wxman said:

Yes the 06z skynet was really cold. You’d never crack freezing if it verified. Not sure I buy a solution that cold but we’ll see what the real models do in a bit. 

It looked like some EPS members had that same look. At least a handful anyway . I’m not thinking it goes above 32 north of maybe the Merritt until maybe right at fropa for a brief time. And that’s questionable 

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7 minutes ago, Sey-Mour Snow said:

Thump turning later and lighter especially for SW half of state, and mid level warming still on track for 9-11pm.. Further NE you go the better which is typical , just more so in this case

Meh, as modeled now, I will do better than 1” unless future runs reveal an all out torch. 

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12 minutes ago, ORH_wxman said:

I remember the Feb 28, 1995 ice storm stayed on the trees for like 4 days afterward and that was the first few days of March. It did stay below freezing though but there was some sun too…luckily not much wind behind that one.

I think the icing will be significantly less in this one versus 1995 though…this is going to be a lot of snow/sleet and then prob intermittent showery ZR and if the mesolow isn’t well-defined (ala NAM solutions), it will just morph into an in-situ icing event where it creeps to 32.1F after maybe a quarter inch of ice (if that). 

 

We had a decent one Dec ‘17 before the brutal cold the second half of the month. That ice hung on for like 2 weeks. 

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6 minutes ago, Kitz Craver said:

Meh, as modeled now, I will do better than 1” unless future runs reveal an all out torch. 

Where are you in CT, reasons Im pessimistic is lack of good thump until NE of us, and the mid level warmth racing in, I don't really see any heavy rates tomorrow until we torch the mid levels and get heavier showery precip.. 

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2 minutes ago, Sey-Mour Snow said:

Where are you in CT, reasons Im pessimistic is lack of good thump until NE of us, and the mid level warmth racing in, I don't really see any heavy rates tomorrow until we torch the mid levels and get heavier showery precip.. 

Meriden

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ICON is such a weenie solution .. it has been spitting out way more QPF than other model (at least 0z, 6z, 12z runs). I have my doubts on widespread 2"-3" QPF from this system in SNE - let alone over 1" between 18z and 0z Sunday .. and then there is that cold tuck at the end that drops temps into the 10s for N/NE MA lol 

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5 minutes ago, HoarfrostHubb said:

Two questions:

1) Does anyone place any vlue on the Accumulated Positive Snow Depth Change on Trop Tdbits for the GFS?

2) Does that output also include sleet?

 

Positive snow depth change I’ve found to be almost universally too conservative if you’re forecasting actual snowfall but it’s semi-useful to use as a floor scenario.

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4 minutes ago, ma blizzard said:

ICON is such a weenie solution .. it has been spitting out way more QPF than other model (at least 0z, 6z, 12z runs). I have my doubts on widespread 2"-3" QPF from this system in SNE - let alone over 1" between 18z and 0z Sunday .. and then there is that cold tuck at the end that drops temps into the 10s for N/NE MA lol 

models have increased since yesterday though

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9 minutes ago, HoarfrostHubb said:

Two questions:

1) Does anyone place any value on the Accumulated Positive Snow Depth Change on Trop Tdbits (or on Pivotal)  for the GFS?

2) Does that output also include sleet?

 

For this event I imagine much of the displayed accumulation on the pos depth change is from sleet that has been counted as snowfall. I don't think I should expect the 14" of snow it's showing for my location.

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1 minute ago, AstronomyEnjoyer said:

For this event I imagine much of the displayed accumulation on the pos depth change is from sleet that has been counted as snowfall. I don't think I should expect the 14" of snow it's showing for my location.

Yeah... that is similar to what I am thinking as well.    I think it is using sleet as snow

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6 minutes ago, AstronomyEnjoyer said:

For this event I imagine much of the displayed accumulation on the pos depth change is from sleet that has been counted as snowfall. I don't think I should expect the 14" of snow it's showing for my location.

Tropical tidbits maps usually tell you if it including sleet. You can toss the map if it’s an event with lots of sleet like this one 
image.thumb.png.196b03e349fd23575ece6e55545fd3d9.png

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4 minutes ago, dryslot said:

We need Messenger to start working his magic.

I'd like a 50-75 mile shift south at least, put the bullseye right over our heads. We get even 8 inches and our whole trail system is gonna be beautiful, and we can ride south the Skowvegas and other places we haven't for years. 

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