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December 19th-20 Storm Thread II


Baroclinic Zone

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The euro ensembles weren't too far from that. I know those two are legend, but the pattern is conducive for lows to stall. Also, take note of the low that retrogrades from just north of Maine into the Canadian High Plains. I've never seen that before...ever.

You can see this on the gfs and euro.

Can we owe this all to the tanking AO?

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The euro ensembles weren't too far from that. I know those two are legend, but the pattern is conducive for lows to stall. Also, take note of the low that retrogrades from just north of Maine into the Canadian High Plains. I've never seen that before...ever.

You can see this on the gfs and euro.

I am still not understanding all this talk of no high to the North, isn" t 1024 a HP?

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I am still not understanding all this talk of no high to the North, isn" t 1024 a HP?

Well it's not a strong high and the airmass is not all that cold. There is a high that builds down from eastern Canada on the euro, but the airmass gets marine tainted. That high is like a 1036 high, but it's not a good 1036 high with polar air. Any little high at the onset of this storm helps though.

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Well it's not a strong high and the airmass is not all that cold. There is a high that builds down from eastern Canada on the euro, but the airmass gets marine tainted. That high is like a 1036 high, but it's not a good 1036 high with polar air. Any little high at the onset of this storm helps though.

So you're saying it's a bad high? Can we dim the lights and put on some chill music?

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Well it's not a strong high and the airmass is not all that cold. There is a high that builds down from eastern Canada on the euro, but the airmass gets marine tainted. That high is like a 1036 high, but it's not a good 1036 high with polar air. Any little high at the onset of this storm helps though.

The block over Canada means all the arctic air is pushed towards the other side of the globe, so this isn't an arctic airmass we're dealing with.

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