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Epic winter signal continues to beam, part II


Typhoon Tip

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12z runs thus far have come in just a nudge warmer. GFS probably gets PVD to 34 or so at the surface. This is definitely shaping up an event when NW RI sticks at 28-31 and sleet/zr while WST is in the upper 30s. 12z GFS gets BID to 45F before crashing.

When the GFS only gets PVD to 34..that spells toruble.since it's always biased so warm in these setups

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Still not seeing the PV relax that much. I would think that the cold air wins out more than what the models indicate. Where the 850's on the Euro get to the pike, I think that the MA/CT line maybe what verifies. Also, with low level cold air, I have a hard time believing anyone from 84 north would see anything besides snow/sleet.

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12+ hours of sleet for parts of CT and MA??

This is gonna be a tough forecast here. I'm leaning more snowy, but I def think we'll be flirting with pingers.

Its interesting that most guidance now has what I was kind of describing yesterday....a period where the high fights back along with dynamics and we actually see the mid-levels cool slightly for a few hours. The insane direct flow from Maine and those thicknesses not getting over 546 is still a red flag for me on how this could go on future guidance.

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Pretty much agree. 34 on the GFS at PVD is really 31-32 at best, always overdoes the warmth. But another tick north (still 60hrs out) and, yeah.

Also a benefit how quickly ocean temps have cooler. PVD right now is only at 33 with a wind off the water, while inland has spiked to 36-37.

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Out of our area but blizz watches posted for chitown and surrounding areas.

IN EXCESS OF A FOOT AND A HALF OR MORE OF SNOW WILL NOT BE UNCOMMON OVER MUCH OF NORTHERN ILLINOIS AND FAR NORTHWEST INDIANA. SNOWFALL RATES UP TO 3 INCHES PER HOUR WILL BE PROBABLE AT THE HEIGHT OF THE STORM TUESDAY NIGHT.

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Not to be too weenie but this looks to have the potential of one of the great winter storms of all time in terms of how broad of an impact it has across the entire US from the plains all the way to new england with a combo of heavy snow, heavy ice, wind, and even strong storms in the warm sector. I'd love to hear one of the weather historians put the potential in perspective in terms of another storm that has had such a broad impact.

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If half of my qpf is sleet I don't think it will be possible to clear it without machinery. Need to lift high over the banks to put it somewhere.....

Even if it's straight snow it will be rough but adding substantial sleet will make it nearly impossible...

Shoveling sand sucks, gonna have to stay right on top of this, out every hour shoveling deal, straight sleet or FRZA , whatever falls flash freezes.

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