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February Medium/Long Range Disco


WinterWxLuvr

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Slightly OT but Most of the ensembles seem to be retrograding or breaking down the blocking in the post D10 time frame. GEFS has negative height anomolies over Alaska by day 16. This looks like a new, probably milder pattern for us. Athough, Canada and the northern tier should remain cold.

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Slightly OT but Most of the ensembles seem to be retrograding or breaking down the blocking in the post D10 time frame. GEFS has negative height anomolies over Alaska by day 16. This looks like a new, probably milder pattern for us. Athough, Canada and the northern tier should remain cold.

they've been mentioning it in the NE thread

all the more reason we need to cash in over the next 10 days

....and then there's the CFS2 that says "dun worry"

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they've been mentioning it in the NE thread

all the more reason we need to cash in over the next 10 days

....and then there's the CFS2 that says "dun worry"

It's a bit ugly verbatim in ensembleland. Big ball of low heights in the goa and +nao/ao combo. My guess is it's transient like all other relaxations but it could be the door swinging. Hard to worry with so much in front of us. If it looks the same in a week+ we can resume the convo

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It's a bit ugly verbatim in ensembleland. Big ball of low heights in the goa and +nao/ao combo. My guess is it's transient like all other relaxations but it could be the door swinging. Hard to worry with so much in front of us. If it looks the same in a week+ we can resume the convo

 

It would suck but Don's post makes me feel better...

 

weenies, close your eyes!

 

4. The overall pattern evolution seems to be unfolding reasonably similar to 1899 albeit without the kind of extreme-to-historic cold seen that winter. That evolution also saw a temporary period of moderation followed by snowfall and severe cold. That kind of evolution still looks good on a lot of the guidance, even as day-to-day details remain to be resolved. The ensembles also suggest a renewed Arctic assault in the extended range. Hence, cities such as Baltimore, New York, and Philadelphia likely have not seen their last single-digit readings of the winter.

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All or nothing pattern?

 

we tend to defer to models a bit too much on this board...I dont think the GFS is going to properly handle an event 9 days away at low resolution...but I think we have to keep in mind the pattern isnt really supportive of a big event for the coastal plain...I'm sure in some random 10" winter like 1951-52 if there were models, they would have had huge solutions too

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we tend to defer to models a bit too much on this board...I dont think the GFS is going to properly handle an event 9 days away at low resolution...but I think we have to keep in mind the pattern isnt really supportive of a big event for the coastal plain...I'm sure in some random 10" winter like 1951-52 if there were models, they would have had huge solutions too

Much comes down to spacing of the waves and speed of progression. Gfs slowed it way down and phased it 1000 miles too early. Euro is much quicker in the flow at this stage.

H5 pattern requires a faster solution because the window is super tight. It's unusual seeing the gfs with a slower progression than the euro at these leads. I guess I gotta stay up for a bit...

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