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Obi-One-Marchobi Episode II (Feb 29/March 1 event)


HoarfrostHubb

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Looks like ALY's map is a bit more in line with the NAM QPFwise. It addresses the likely pinger problem in south Berkshire and points S and W. Even so, it looks like about a 8" event here if their map verifies, which I'd gladly take. It's not often that there's some sleet contamination in PSF and all snow in BOS (assuming they can keep the low-levels cold enough).

StormTotalSnowWebFcst.png

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Looks like ALY's map is a bit more in line with the NAM QPFwise. It addresses the likely pinger problem in south Berkshire and points S and W. Even so, it looks like about a 8" event here if their map verifies, which I'd gladly take. It's not often that there's some sleet contamination in PSF and all snow in BOS (assuming they can keep the low-levels cold enough).

Mitch--can you show the link to that? I can't find that on their site.

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Looks like ALY's map is a bit more in line with the NAM QPFwise. It addresses the likely pinger problem in south Berkshire and points S and W. Even so, it looks like about a 8" event here if their map verifies, which I'd gladly take. It's not often that there's some sleet contamination in PSF and all snow in BOS (assuming they can keep the low-levels cold enough).

StormTotalSnowWebFcst.png

I think a lot of the NWS offices see the forcing and colder profiles. I personally think the NAM is the first to latch on the juice and dynamics.

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Looks like ALY's map is a bit more in line with the NAM QPFwise. It addresses the likely pinger problem in south Berkshire and points S and W. Even so, it looks like about a 8" event here if their map verifies, which I'd gladly take. It's not often that there's some sleet contamination in PSF and all snow in BOS (assuming they can keep the low-levels cold enough).

StormTotalSnowWebFcst.png

I like the way their 10-14" area is 8 miles north of me........

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Mitch--can you show the link to that? I can't find that on their site.

http://www.erh.noaa.gov/aly/Past/Snow_PNS/StormTotalSnowWebFcst.png

I think a lot of the NWS offices see the forcing and colder profiles. I personally think the NAM is the first to latch on the juice and dynamics.

I usually will put a bit more faith in the meso models once inside of 24-36 hours, which we are now. However, I could still see a drier solution like the GFS verifying given the confluence and dry air settling in across the region. If the GFS has it's way, it could be one of those snow shields that has some holes and 1-1.5 SM visibility -SN as opposed to a solid snow shield and 1/4-1/2 +SN or SN. This will make a big difference in total accumulations, especially due to the sun angle at this time of year and that a portion of this will be falling during the daytime hours.

I like the way their 10-14" area is 8 miles north of me........

You should do well. I don't think you'll have any taint issues, unless that warm layer really rockets NE.

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Came home to see OKX flipped again, no snow accumulation here, went from 1-3 to zip, I think they have the right idea, and dont understand why they keep flipping back and forth.

nam looks solid for you guys! WOW look at the qpf, holy moly..............okx obviously riding the gfs here, even the euro gives me accumulating snow.

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18Z RGEM is a shallacking mainly from midnight tomorrow night to Noon Thursday.

Jerry, I saw your post about that aviation forecast for Logan. Where did you get that, and what the hell do those acronyms mean? Its not looking good for my flight...

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Jerry, I saw your post about that aviation forecast for Logan. Where did you get that, and what the hell do those acronyms mean? Its not looking good for my flight...

They are usually at the end of the area forecast discussions.

vfr is visual flight restriction

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http://www.erh.noaa....SnowWebFcst.png

I usually will put a bit more faith in the meso models once inside of 24-36 hours, which we are now. However, I could still see a drier solution like the GFS verifying given the confluence and dry air settling in across the region. If the GFS has it's way, it could be one of those snow shields that has some holes and 1-1.5 SM visibility -SN as opposed to a solid snow shield and 1/4-1/2 +SN or SN. This will make a big difference in total accumulations, especially due to the sun angle at this time of year and that a portion of this will be falling during the daytime hours.

You should do well. I don't think you'll have any taint issues, unless that warm layer really rockets NE.

Thanks. Snow day for most on Thursday I think.

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What kind of benefit does that have and for who? Better coastal and less in the way of inverted trough type stuff?

Well when the 500mb low goes to your south, that usually means processes like warm air advection, positive vorticity advection, and things like frontogenesis (which helps develop precip) are all at play to enhance the precip. So it would be nice to have that go out south of Long Island.

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