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December Banter


mackerel_sky

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Velocity potential is just a representation of the divergent aspect of a fluid (like the atmosphere for example) All that pic shows is the 200mb (200mb=upper troposphere, near tropopause) velocity potential... Areas of blue (red) denote large-scale upper level divergence (convergence)  at this level in the atmosphere that can be attributed to tall cumulonimbus clouds because through condensational heating they transport air upwards, and when this air hits the tropopause, it spreads out causing divergence & thus you see blue anomalies show up in diagrams like this. The anomalous upper level divergence that occurs in these regions (such as those in blue in the pic I posted) affects the zonal circulation, upper level wind field & can generate Rossby Wave Trains & jet streaks that extend well into the mid-latitudes, ultimately affecting various extratropical teleconnections (like the PNA, AO, NAO, EPO) etc. that you are quite familiar with & our weather here in some shape or form... The upper level divergence from this tropical convection can also generate wind ducts in the tropical atmosphere that allow mid-latitude disturbances (rossby waves) to pass through the equator without being dampened (dissipating) or being confined within the hemisphere that they came from. Thus, the tropical forcing from MJO & CCKW for example also has the ability to impact the track of storm systems even here in the US, which is important of course if you like wintry wx & it appears that our winter wx events (@ least for the last 2 winters thus far) have been in sync w/ near equatorial negative velocity potential in the 30-60E band................................

 

 

 

 

Have you ever thought of just doing a one paragraph summary to answer a very basic question? 

tumblr_inline_nd2b1lxQtw1r3ti7d.gif

 

 

It's like asking Stephen Hawking what physics is and he goes on to give you phd lecture on black holes and string theory. 

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All my posts are just commenting on what I think about what others say and what is going on. They are just my thoughts on the matter. You know, that's how message boards work. As soon as you start submitting some scientific stuff about weather, I might comment on that, too. In the meantime, please continue your pessimism and general miserable outlook on everything.

Not looking good in Southeast anytime soon for Cold wx. N.Plains, Lakes Northeast Gets colder next week, mostly evades southern US.
Please tell us more about your analysis of this regurgitated tweet.
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Please tell us more about your analysis of this regurgitated tweet.

 

 

WxSouth doesn't think it's going to be cold here. Duh!

 

It's called sharing information. Sometimes people do that on message boards, which is used by people to discuss things together on certain topics on the internet. Or for folks like you, to get off on being a jerk.

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Have you ever thought of just doing a one paragraph summary to answer a very basic question? 

tumblr_inline_nd2b1lxQtw1r3ti7d.gif

 

 

It's like asking Stephen Hawking what physics is and he goes on to give you phd lecture on black holes and string theory. 

:lol:  

 

 

 
Please tell us more about your analysis of this regurgitated tweet.

 

Torch  :P  

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I wish I had the computing power & knowledge basis like Dr. Ventrice to filter for Kelvin Waves, that would certainly help me out here... Thus far I've analyzed about 25% of the record

& the most popular longitude for -VP is the Dateline-150W, which corresponds to the climatological VP for an El Nino. Shocking, I know (sarc)....

I have a question for you! I want a long detailed answer if you can answer it.
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Banter is fun today.  Things are much calmer in the summer.  There are many boring days but not as many people in here.  In the winter, things are supposed to be exciting.  But because it's been so boring and there are so many more people in here than during the summer, it's made Banter really awesome.

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Just look at that Rossby Wave & associated Westerly Wind Bursts in the Eastern Indian Ocean (i.e. the twin cyclones on both sides of the equator), holy cow... There's no doubt the MJO is in the Maritime Continent based on this alone...

 

 

 

Is that a good thing?  It sounds like it is based on your tone. 

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