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Moving Through December - Changing Patterns and Changing Diapers


ChrisM

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Euro weeklies are very bullish for a big -NAO...I'm surprised it keeps insisting on this. But we'll find out soon enough if its right. Basically the whole 2nd half of December it has a big -NAO right over Greenland and the Davis Straight.

-PNA too. Classic -PNA/-NAO pattern...that historically has been very kind to us.

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Euro weeklies are very bullish for a big -NAO...I'm surprised it keeps insisting on this. But we'll find out soon enough if its right. Basically the whole 2nd half of December it has a big -NAO right over Greenland and the Davis Straight.

With a not too negative PNA that's a great snow pattern.

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With a not too negative PNA that's a great snow pattern.

Week 3 (Dec 18-24) looks really good for us. It has a very weak SE ridge with slightly below average heights over our heads. I'm skeptical such a nice pattern will happen, but i looks nice on the maps.

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Well there were several posters talking about widespread 60's. Now that would be worth jumping out of the emergency exit on the school bus on the highway

Yes, 60s is definitely-jump-out-of-the-airplane-and-land-on-high-voltage-wires type stuff.

Tickling is not 60's

Good to know... Next summer when a bunch of spots "tickle" 90F we can say those calling for widespread 90s where wrong ;)

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Week 3 (Dec 18-24) looks really good for us. It has a very weak SE ridge with slightly below average heights over our heads. I'm skeptical such a nice pattern will happen, but i looks nice on the maps.

It didn't handle this current pattern very well, so I'm a little skeptical on week 3 and 4...but we'll find out soon enough.

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HM, this msg is for you. I live around memphis tn. I really enjoy this forum. Its a good read from knowlegable mets and weather hobbysts. HM, i noticed you talking about the pattern is almost complete. For the central and eastern US to see a more sustained pattern, would we need to see the pacific ridge to shift further east and or a -nao west based to develop? Lastly, what can we look for in the pattern for that to maybe start to evolve? Thanks kevin.

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It seems between the euro ensembles and weeklies that ECMWF is quite bullish on a nice patter for us. Lets see if they're right.

The ensmebles keep insisting on the -NAO in the long range too...but I'm not buying it as advertised. If it does materialize, then our chances for a lot fun really increase. I'm more on the riding a knife's edge for us train over the next couple weeks where we will have our shots, and hopefully we hit paydirt (ala Dec '08)....but we could easily miss out too.

If we establish a solid -NAO, then we can party like its December 1970.

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The ensmebles keep insisting on the -NAO in the long range too...but I'm not buying it as advertised. If it does materialize, then our chances for a lot fun really increase. I'm more on the riding a knife's edge for us train over the next couple weeks where we will have our shots, and hopefully we hit paydirt (ala Dec '08)....but we could easily miss out too.

If we establish a solid -NAO, then we can party like its December 1970.

And what a sharp blade it is.

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The ensmebles keep insisting on the -NAO in the long range too...but I'm not buying it as advertised. If it does materialize, then our chances for a lot fun really increase. I'm more on the riding a knife's edge for us train over the next couple weeks where we will have our shots, and hopefully we hit paydirt (ala Dec '08)....but we could easily miss out too.

If we establish a solid -NAO, then we can party like its December 1970.

The biggest hit of 1970 was this..Hopefully the weeklies are not leading us down the wrong bridge

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