Sorry. Running gag. George=GeorgePhillipTremblay= Chat GPT On Tue, Apr 30, 2024 at 11:58 AM Frank Wimberly <wimber...@gmail.com> wrote:
> George who? I'm sorry, I must have missed something. > > --- > Frank C. Wimberly > 140 Calle Ojo Feliz, > Santa Fe, NM 87505 > > 505 670-9918 > Santa Fe, NM > > On Tue, Apr 30, 2024, 11:28 AM Nicholas Thompson <thompnicks...@gmail.com> > wrote: > >> *Dear Phellow Phriamers,* >> >> >> *What I love about George is that he speaks what others have in the backs >> of heir minds but seem reluctant to say. So I have been reading in weather >> books and articles for weeks, trying to work out the chicken/egg relation >> between global-scale and synoptic-scale processes. None of those sources >> has put the relation so plainly as does George below. Of course he may be >> absurdly, flagrantly, ridiculously WRONG, but at least he has put it out >> there. George seems to be good at discovering subtexts. Think what he >> might do for psycho-analysis.* >> >> *Rossby waves, of course, are not only E-W waves along the polar front, >> they are also up/down waves along the boundary between the Troposphere and >> the Stratosphere, the Tropopause, so that in a Rossby trough, the >> Tropopause is much closer to the ground than in a Rossby ridge. * >> >> >> *George also believes that Rossby waves often stumble over mountain >> ranges and continental boundaries. When they stumble, they often break, >> sending Tropospheric air into the Stratosphere, and bringing Stratospheric >> air into the Troposphere, perhaps even as far down as the surface. You >> know that rush of odd-smelling air you get at the onset of a cold front? >> That may be stratospheric air. * >> >> >> 1. *Anyway: FWIW, here is George on Rossby Wavess and Frontogenesis. >> * *I hope to join vFRIAM on Thursday around 11 MDT, in case there are >> other weather nerds on the list who would like to talk about this. * >> >> >> >> *Nick* >> >> *What is the relation between Rossby waves and frontogenesis* >> >> *Rossby waves and frontogenesis are closely related atmospheric >> phenomena, with Rossby waves playing a significant role in the generation >> and maintenance of fronts through the process of frontogenesis. Here's how >> they're connected:* >> >> 1. >> >> *Dynamic Instability: Rossby waves are large-scale meanders in the >> jet stream that develop due to the interaction between the Earth's >> rotation >> and horizontal temperature gradients in the atmosphere. These waves are >> associated with dynamic instability in the atmosphere, leading to the >> amplification and propagation of disturbances along the jet stream.* >> 2. >> >> *Formation of Temperature Contrasts: Rossby waves often lead to the >> development of regions with strong horizontal temperature gradients, known >> as baroclinic zones, along their troughs and ridges. These temperature >> contrasts are essential for frontogenesis, as they provide the necessary >> conditions for the formation and intensification of fronts.* >> 3. >> >> *Enhanced Vertical Motion: Along the troughs of Rossby waves, there >> is typically enhanced upward motion of air, while along the ridges, there >> is enhanced downward motion. This vertical motion is associated with the >> convergence and divergence of air masses, respectively, which can >> contribute to the formation of fronts through the process of >> frontogenesis.* >> 4. >> >> *Interaction with Baroclinic Zones: Rossby waves interact with >> existing baroclinic zones in the atmosphere, which are regions of strong >> horizontal temperature gradients. These interactions can lead to the >> amplification or deformation of existing fronts and the generation of new >> fronts through frontogenesis.* >> 5. >> >> *Development of Cyclogenesis: Rossby waves can also contribute to the >> development of cyclones, particularly in regions where there are strong >> temperature gradients associated with fronts. Cyclogenesis often occurs >> along frontal boundaries, where the convergence of air masses and enhanced >> vertical motion associated with Rossby waves create favorable conditions >> for low-pressure systems to develop.* >> >> *Overall, Rossby waves influence the development and maintenance of >> fronts through the generation of temperature contrasts, enhanced vertical >> motion, and interactions with existing baroclinic zones. Frontogenesis, in >> turn, contributes to the intensification and evolution of cyclones and >> other weather systems associated with the mid-latitude atmosphere.* >> -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . >> FRIAM Applied Complexity Group listserv >> Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom >> https://bit.ly/virtualfriam >> to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com >> FRIAM-COMIC http://friam-comic.blogspot.com/ >> archives: 5/2017 thru present >> https://redfish.com/pipermail/friam_redfish.com/ >> 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >> > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . > FRIAM Applied Complexity Group listserv > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom > https://bit.ly/virtualfriam > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ > archives: 5/2017 thru present > https://redfish.com/pipermail/friam_redfish.com/ > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/ >
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