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Nov 27 2012 Snow/Rain/Slop OBS and Nowcasting


earthlight

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39 here with light rain. Hopefully we in the NYC metro change over to snow when that heavier stuff gets to us around 4pm.

I think NYC will see flakes flying. But the only chance of a slushy accumulation would be if the heavy band sets up the way the RAP and NAM have for NYC/LI for the afternoon. Hopefully, they have the placement correct.

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Some of us in the NYC metro are snow already and or have been all morning. It never looked good from the immediate burbs on east for anything significant.

You say this every single storm and then LI somehow always pulls off accumulations at the last moment.

Some parts of LI (hills of the North Shore), average 3"-4" more then NYC for a reason. And these same areas are never ever represented correctly by any snow map or any sounding.

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You say this every single storm and then LI somehow always pulls off accumulations at the last moment.

Some parts of LI (hills of the North Shore), average 3"-4" more then NYC for a reason. And these same areas are never ever represented correctly by any snow map or any souding.

I don't say that every storm. It's in the upper 30's to low 40's from the city on East. Meanwhile IMBY it's 32 and snowing. Big differences. I have no doubt that the hills on the north shore do better than NYC, for one you don't have the urban heat factor and secondly the north shore of LI is usually far enough north to avoid the ocean influince, not always but a lot of the time.

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I don't say that every storm. It's in the upper 30's to low 40's from the city on East. Meanwhile IMBY it's 32 and snowing. Big differences. I have no doubt that the hills on the north shore do better than NYC, for one you don't have the urban heat factor and secondly the north shore of LI is usually far enough north to avoid the ocean influince, not always but a lot of the time.

The hills also avoid the LI sound intrusion as they are just high enough.

LI/NYC is 37-41 degrees right now because of very light precip. If that band sets up the way the RAP and the NAM are showing for later this afternoon, the temps will respond and it will snow.

But banding is a big if. NAM has .75"+ for Suffolk County and NE of there and .50"+ for NYC and Nassau.

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The hills also avoid the LI sound intrusion as they are just high enough.

LI/NYC is 37-41 degrees right now because of very light precip. If that band sets up the way the RAP and the NAM are showing for later this afternoon, the temps will respond and it will snow.

But banding is a big if. NAM has .75"+ for Suffolk County and NE of there and .50"+ for NYC and Nassau.

Yeah....I'm not saying it's not going to snow somewhere on LI today. But I already have more snow on the ground here than you will get out of an hour or two of moderate banding. You can't see the grass here anymore.

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