CAPE
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Everything posted by CAPE
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lol what? That high is north of Minnesota. There is a 1034 HP in SE Canada and its snowing on us with temps in the mid 20s.
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December 5th could be a sneaky chance for something minor. Dec 7-8 and 10-12 continue to look interesting.
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18z GEFS depicts the same idea.
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Overrunning with sprawling cold HP pressing south.
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Hard to complain about the advertised h5 pattern on the 12z EPS heading into mid Dec. Solid look out west, TPV stretched southward towards Hudson, and indications of +heights building westward into the NAO domain.
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Not bad verbatim. Some minor adjustments and some of the juice that is just offshore ends up a bit further west.
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The 12z Euro- a lot going on here. A bit out of sync with the wave interactions but as is it develops a low in the gulf that tracks up the east coast just offshore of the outer banks. A near hit.
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Damn Ralph. lol harsh dude. Have one of those big ass stouts and chill.
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A few close calls between the 6th and the 12th on the 12z GFS. Trackable possibilities.
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0.31" Should be out of here in the next hour. Just over 2" for the month. Much better than the 0.00 of October.
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I noted the jet retraction in my earlier post. Seems he expects it to be temporary. As advertised the shift in the longwave pattern is relatively minor, and could potentially allow for a more significant storm.
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Looking at the latest operational and ens guidance Dec 6-7th and 10-12 are the 2 'threat windows' that stand out. The second looks especially interesting with potential for significant NS shortwave energy to dig southward and involve moisture from the Gulf.
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Wrt the mini panic over the advertised pattern in the LR, looks like the NPJ core retracts a bit esp on the GFS/GEFS. That shifts the ridge westward some and places lower pressure in the WPO space(trends +). Even if this is real its not like the east coast is going to suddenly go warm.
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lol at a rug pull on an advertised h5 pattern 2 weeks out.
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Don't be fooled again.. OP runs are higher resolution. Subject to large variations from run to run in the long range. Ensembles are perturbed and run at low res and often are not able pick up on specific details of wave interactions in the LR. They are imperfect tools used as guidance for objective analysis and forecasting. The idea of being "fooled" is emotional and based on misconceptions.
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28 this morning
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Various model simulations over recent days have depicted an east coast winter storm in the Dec 7-10 window. The 6z GFS does it again with some good upstream interaction between pieces of vorticity, resulting in a stronger/sharper shortwave that digs further south.
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The stuff snow weenie dreams are made of.
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The correlation is via the Siberian HP influence on the SPV and the lower level reflection of that, which is the AO. I believe the generally accepted idea is a stronger Siberian HP tends to weaken the SPV and that is associated with a -AO, which allows colder air to move further southward into the midlatitudes.
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The why is definitely important, but this isn't the thread. I am a teacher actually, so it is a habit I guess. This is a place for weather/climate related discussion. We can all learn from each other. Anyway, back to my model dependency.
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You're right. It is not as cold there in recent years. Siberian HP is generally weaker. Do you know why?
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You monitor air pressure in Mongolia? Cool.
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Probably need some interaction/partial phase between a NS shortwave and a piece of vorticity ejecting from the trough in the SW that's stuck underneath the ridge. Pretty much what the 12z Euro run did yesterday that produced an east coast winter storm on the 7th.
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The NS flow is fast and busy with shortwaves flying around. Guidance is going to struggle with location/strength and timing of specific shortwaves in the LR. For now we appear to have a pattern than can bring below avg temps, so we keep monitoring for a discrete threat to materialize in the medium range.
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The last 2 games they have cut way down on the big plays- Eddie Jackson was released and Marcus Williams riding the pine is a big part of it. Nate Wiggins improving and getting more playing time. Hated to see them give up that trash time TD but they kept everything underneath and took a lot of time off the clock. Questionable calls extended the drive ofc. Nothing new there.
