Global Mixing in Atmospheric Dynamics (by Diego Fdez-Sevilla Ph.D.)

Global Mixing in Atmospheric Dynamics (by Diego Fdez-Sevilla Ph.D.)

Diego Fdez-Sevilla PhD. CV english and españolResume.

Research · Oct 2016. File name: Global Mixing in Atmospheric Dynamics by Diego Fdez-Sevilla PhD.pdf DOI: 10.13140/RG.2.2.21255.60320

(updated 14 Oct 2016 15:00 UTC with added material from previous posts)

From my line of research I am convinced on that Arctic perturbations at the Atlantic basin (warm intrusions over the Arctic and cold at mid-latitudes) are responsible for the genesis of Tropical Systems due to alterations over the ITCZ.

From there, the behaviour and paths followed by them would also be driven by more Arctic perturbations (combination of warm intrusions at the North Pacific and North Atlantic and cold at lower latitudes) inducing changes in pressure located all around their path, in front and behind their movement.

At least these are part of my interpretations from my observations. There might be experts with a different analyses.

What concerns to my research is the resilience of the storm to dissipate its energy, and I am considering not only the conditions at tropospheric level but also at higher altitudes.

In the latest post in my blog (Equatorial Dynamics. A conversation between Joaquin and Matthew (by Diego Fdez-Sevilla, PhD. I pointed out that the equator has shown to be warmed up at 50hPa. Altogether it will reduce the differential in the gradients of energy between the storm and its surroundings reducing the dissipation rate of its energy, allowing for it to hover keeping momentum as we have seen with other storms moving for days over the Atlantic. (see video Equatorial dynamics)

In the present publication I want to point out how much interconnected are the processes linking Arctic perturbations (Pacific and Atlantic basins) with the developments at the Pacific and Atlantic ITCZ on generating mixing dynamics in latitude and altitude. (see video Global Mixing Oct 2016)

Continuity with the research presented on previous publications

For a more in depth discussion see the post:

From A Climate “Between Waters” (by Diego Fdez-Sevilla).

I believe that the present weather events, altogether with the tornado seen in Venice on July, represent some of the new “Drops of Weather” coming over to say that the Summer, as we know it, is coming to an end.

The reason behind it seems to be the sporadic and unpredictable behaviour of the Jet stream, which not only is wobbly in latitude, but also in the vertical profile of the atmosphere. Accordingly, we can see that when it comes to lower levels from 300hPa induces alterations in the thermodynamical behaviour of the tropospheric circulation. In turn, when this cold air touches the lower level of our atmosphere, activates the energy accumulated in the Water vapour contained in it as latent heat, delivering new forms of energy; kinetic provoking strong winds, electrostatic generating lightnings and potential carried in the mass of all the water coming from its gaseous state into liquid or solid precipitation.

I have already discussed what is my theory about what it is happening that it is generating such a wobbly jet stream in latitude and altitude. This theory was published in a previous post and it points out the incorporation of masses of water vapour into polar latitudes as consequence of CO2 forcing as the cause wearing out the strength of the Polar Jet Stream.

I also have suggested that such incorporation of masses of water vapour into Polar Latitudes follow channels which are linked with persistent cyclonic events in the Atlantic and the Pacific. The present patterns seen in the circulation over the Pacific and the Atlantic are consistent with those proposed in this theory.

Ultimately, if this theory is right and weather patterns are incorporating water vapour into Polar latitudes, it would affect:

  • The strength of the Polar Jet Stream becoming wobbly from the bottom up, from tropospheric circulation forcing instead of from the stratospheric Polar vortex, (more here)
  • Introduction of water vapour into Arctic Polar latitudes would decrease temperature gradients in the Pole reducing ice and snow cover, (more here)
  • that would induce ice melting which in turn would affect SST and Oceanic circulation in the Atlantic and Pacific. That would explain the cold anomaly in SST in the North Atlantic, thus the AMOC and global thermohialine circulation going around the Antarctic and arriving at the Pacific.(more here)
  • Arctic Polar masses of air getting warmed up would become involved in translatitudinal circulation from the Atlantic and the Pacific through the Arctic, in a breathing like cycle. That would open a new channel for balancing gradients of atmospheric pressure between the atmospheric masses of air above both Oceans. That would explain the synchronicity between Low pressures observed in the North Atlantic and North Pacific, (more here).
  • An interconnection between Atlantic and Pacific atmospheric circulation through the Arctic would affect Equatorial winds. That would have an impact over the distribution of SST being dominated by them, being the most relevant the ENSO.(more here and here)
  • Furthermore,  new channels breaking the restriction of keeping warm masses of air bellow Polar circulation would release the thermodynamical limits for equatorial latitudes to absorb water and heat, therefore, increasing thermal conductivity towards upper latitudes. That would explain heat waves moving upward in latitude.(more here and here)
  • At the same time, incorporating the possibility for subtropical circulation to occupy the volume of space at Polar latitudes would allow the global circulation to absorb more energy without steep increases in temperature thanks to the extra volume added to be occupied.(more here)
  • An homogenization in the amount of energy carried in the atmosphere by water vapour would induce a decrease between gradients of energy. That would allow atmospheric events to persist in location and time due to the reduced capacity of the atmosphere to dissipate its energy.(more here)
  • The amount of energy being accommodated by the atmosphere would behave like electricity, being tamed by the capacity of the surroundings to absorb and conduct it. But, like a short circuit, the energy contained in the atmosphere, could overwhelm the capacity for the surroundings to cope with it in a smoothly manner, triggering abrupt discharges from energy in latent heat form carried by the water vapour, into potential energy carried by the masses of water in form of hail and  rain, and kinetic energy generating strong winds. All those forms of energy capable of decimating crops, houses and even killing animals as we have seen in some videos in this post.(more here).

The level of certainty that I have gathered from statistical analyses comes in the form of the following chart

Diegto Fdez-Sevilla

From previous publication Atmospheric Circulation and the Mixing Zone. (by Diego Fdez-Sevilla, PhD.). May 26, 2016. In pdf at ResearchGate with  DOI: 10.13140/RG.2.2.34019.04645

Understanding the ways how Mid-Latitudinal circulation affects the Polar circulation will help to understand other meteorological phenomena evolving through the whole hemisphere and the ITCZ, including  the development of T-Storms, and tornadoes over North America (image showing conditions over 23rd May 2016)…

North Hemispheric circulation Atlantic 23 May 2016 by Diego Fdez-Sevilla

From previous publication Atmospheric Dynamics, GHG’s, Thermal Conductivity and Polar Jet Stream (by Diego Fdez-Sevilla, PhD.) Posted on   In pdf at ResearchGate with DOI: 10.13140/RG.2.2.33911.32167

I believe that the most visual representation of having the atmosphere increasing its thermal conductivity would be seen throughout the wobbling state of the Polar Jet Stream. As part of my research since 2013 I have been following-up the state of the Polar Jet Stream. This is the latest animation that I have made over the period February 2016 at the Western Europe-East Atlantic.

For 13 years I have been looking into the synergies driving atmospheric dynamics and the particles contained within.

In my research it has become relevant the heterogeneous distribution, composition and behaviour of:

  • monoatomic and polyatomic molecules in the atmosphere;
  • variations in pressure;
  • location of events driven by the strength of winds and thermal contrasts;
  • the enhanced atmospheric mixing ratio due to convective forcing and/or rain events
  • increasing turbulence;
  • the release transport and deposition of aerosols and their behaviour as rain drop nuclei due to their properties over clouds and rain drop formation, energy flows interacting from processes of evaporation and condensation as well as
  • biological evapotranspiration and respiration, and
  • biochemical processes affecting atmospheric composition (photosynthesis).

Furthermore in my research it has become relevant the concentration and time of permanency for different molecular compounds and their different properties interacting in energy flows such as condensable (water) and not condensable gases (GHGs).

All those factors (at least) are relevant since they either define or indicate the state of heat transfer efficiency in the atmosphere.

Derived from addressing synergies and feedbacks between those factors discussed in previous posts, some of my conclusions are:

  • GHGs have the potential of enhancing the thermal conductivity of the atmosphere increasing the capacity of the system to absorb, contain, transport and release energy (in all its forms, kinetic (wind related), thermal (Heat) and potential (mass)) throughout latitudes, longitudes and altitudes.
  • The most important component in the atmosphere carrying such intake of energy is water vapour due to the enhanced thermal conductivity of the atmosphere resultant from GHGs forcing.
  • In a first stage, due to the compartmentalization of atmospheric circulation in the poles thanks to Polar Jet streams, the Equator and Midlatitudes absorb the major change in thermal conductivity (increase in temperature).
  • Due to asymmetric distribution of land surface and GHGs conc between hemispheres, the NH suffers a bigger impact than the SH.
  • Once the thermal contrast in the NH Polar Jet Stream is worn out, the polar circulation opens its volume in the atmosphere to accommodate new forms of energy carried by water vapour and GHGs, increasing its thermal conductivity.
  • As a result, the thermal transfer efficiency from mid latitudes would expand into polar latitudes, enhancing heat transfer processes northwards (heat waves) as well as the meltdown of ice caps and precipitation in liquid form out of season (already happened this winter 2015/16).
  • Also, the frequency of masses of air from Polar and Mid Latitudes crossing over the Polar Jet Stream increases the level of exposure to extreme variations jeopardising the development of natural cycles in flora and fauna, when they occur out of season, due to a weak Polar Jet Stream. (see related posts)
  • In other hand, masses of air and pressure systems containing more energy than its surroundings (Thermal/Kinetic/Potential), can create “blocking patterns”, or move higher in altitude instead of dissipating its energy when moving upwards in the atmosphere. Masses of air having the capacity of carrying such thermal energy without dissipating it when moving upwards generate what it is called Sudden Stratospheric Warming events. (also seen through this winter 2016).

My approach towards understanding atmospheric and environmental developments is based on considering that temperature is not only a measure of Energy, it is a measurement of the state for the density of a particular type of matter.

Without matter there is no temperature. So, wherever we measure temperature there is matter.

10hPa Temp Diego Fdez-SevillaWhich type of matter exists at each point where we measure temperature is the main relevant point in climatic environmental assessments. (see more from this post at link in the title above)


Author’s Disclosure Declaration

For those unaware of the content offered in this blog I might have to issue a warning: Handle with care. Also with the product obtained from scientific analytical thinking there are traces of personal and professional “passion”, by-products obtained from “original and unpeered grey matter juice” originated from “independent critical thinking”. Also sometimes the packaging might be rough around the edges due to its “unfunded nature”.

4 years ago I joined a discussion which made me realise how much knowledge was settled on the past, built upon past conventions and unable to give answers about present developments in all parts of our environment. From the impact from GMOs, plastics, soils degradation, atmospheric composition, land use and cover, water cycles, … I had addressed scientifically unanswered questions before doing my PhD so I decided to give it a go and to offer my take over those gaps. It has been a pilgrimage to become aware of how much faith and fear is put on scientific publishing above raw understanding and discussion.

I do not know how far this blog will go, however, it represents the assessment of a global process and I expect that past posts will become a description of continuous present for the next years.

Altogether, the body of work which represents the line of research presented in this blog is composed by 170 pieces, covering data analyses and conceptual discussions. All those different discussions and assessments presented here build together a single concept. The format applied is the result of making a big effort trying to apply simplistic approaches with the aim to allow a multidisciplinary access. Since the topics treated in my publications have implications for many sectors in the academic and not academic world, with the aim of allowing my research for open review, there is also the objective of allowing access to a multisectorial and multidisciplinary audience sharing interest.

Diego Fdez-Sevilla Ph.D.

For a more profound discussion over my assessments and analyses as well as constructive feedback, please use my email d.fdezsevilla(at)

My agenda is simple, I am in transition looking for either funding to grow the research published in this blog or for a job position in any field in which my assets are valued. Behind my research there is nothing more, nothing else than to showcase my capabilities doing what I like, research. I am a methodologist. I don´t look at the color of the result obtained, only at the suitability of the method and the coherence of the result. As I have said before, if I am wrong on my assessments and conclusions, it will be better for all, and my work would showcase my capabilities anyway. A CV shines the goals obtained by anyone, but by publishing here my research, I expose myself and my work to public judgement. There is a difference between being naive and raw. If you see the difference you will understand better my work and my personal position.

The aim of publishing my work openly is to allow for it to be exposed for an open review. So any constructive feedback is welcome. After a period of time of at least a month from the publishing date on this blog and at LinkedIn, if no comments are found refuting the value of the piece published I then publish it at ResearchGate generating a DOI for posterior references.

In order to protect my intellectual rights, more assessment in depth and the statistical and numerical analyses that I have performed to support my arguments can be discussed at my email: d.fdezsevilla(at)

If you find that my work is worthy to be acknowledged, share your thoughts openly and publicly because by sharing public acknowledging over the value of my work is what will help me in order to find the attention from those able to allow me access to a job position or resources to increase the functionality of my research.


(This post is part of a more complex piece of independent research. I don´t have funding, political agenda or publishing revenues from visits. Any scientist working in disciplines related with the topics that I treat in my blog knows how to judge the contribution that my work could potentially add to the state of knowledge. Since I am in transition looking for a position in research, if you are one of those scientists, by just acknowledging any value you might see from my contribution, would not only make justice to my effort as independent researcher, but ultimately, it will help me to enhance my chances to find a position with resources to further develop my work.

I believe that the hypothesis that I have presented in previous posts in this blog (here, here and here) could help to understand present and possible future scenarios in atmospheric circulation. However, this is an assessment based on observation which needs to be validated throughout open discussion and data gathering. So please feel free to incorporate your thoughts and comments in a constructive manner.

If you feel like sharing this post I would appreciate to have a reference about the place or platform, by private or public message, in order for me to have the opportunity to join the debate and be aware of the repercussion which might generate d.fdezsevilla(at)

This work is protected under Intellectual Property laws licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.)

Since October 2013 I have been publishing pieces of research studying the behaviour of the Polar Jet Stream and the weather events associated as well as the implications derived into atmospheric dynamics and environmental synergies.

Many of the atmospheric configurations and weather and climate events we see these days are very similar with the progression followed since 2013. Please take a look at posts addressing those events from previous publications in this blog or look at the categories in the top menu. Also at research-gate. Feedback is always welcomed either in this blog or at my email (d.fdezsevilla(at) All my work is part of my Intellectual Portfolio, registered under Creative Commons Attribution-NonCommercial 4.0 International License, license and it is being implemented at my profile in researchgate. I will fight for its recognition in case of misuse.

More assessments presenting chronologically the line of research published in this blog can be accessed in the category Framework and Timeline.

For anybody interested in the posts related with this discussion here I leave you those more relevant in chronological order (there are comments bellow some of them. Please check them out):

About Diego Fdez-Sevilla, PhD.

Data policy The products processed by "Diego Fdez-Sevilla PhD" are made available to the public for educational and/or scientific purposes, without any fee on the condition that you credit "Diego Fdez-Sevilla PhD" as the source. Copyright notice: © Diego Fdez-Sevilla PhD 2013-2019 orcid: and the link to its source at diegofdezsevilla.wordpress or permanent DOI found at Reearchgate. Profile and verified scientific activity also at: Should you write any scientific publication on the results of research activities that use Diego Fdez-Sevilla PhD products as input, you shall acknowledge the Diego Fdez-Sevilla's PhD Project in the text of the publication and provide an electronic copy of the publication ( If you wish to use the Diego Fdez-Sevilla PhD products in advertising or in any commercial promotion, you shall acknowledge the Diego Fdez-Sevilla PhD Project and you must submit the layout to Diego Fdez-Sevilla PhD for approval beforehand ( The work here presented has no economic or institutional support. Please consider to make a donation to support the means for making sustainable the energy, time and resources required. Also any sponsorship or mentoring interested would be welcome. Intellectual Property This article is licensed under a Creative Commons Attribution 4.0 International License. By Diego Fdez-Sevilla, PhD. More guidance on citing this web as a source can be found at NASA webpage:! For those publications missing at the ResearchGate profile vinculated with this project DOIs can be generated on demand by request at email: d.fdezsevilla(at) **Author´s profile: Born in 1974. Bachelor in General Biology, Masters degree "Licenciado" in Environmental Sciences (2001, Spain). PhD in Aerobiology (2007, UK). Lived, acquired training and worked in Spain, UK, Germany and Poland. I have shared the outcome from my work previous to 2013 as scientific speaker in events held in those countries as well as in Switzerland and Finland. After 12 years performing research and working in institutions linked with environmental research and management, in 2013 I found myself in a period of transition searching for a new position or funding to support my own line of research. In the current competitive scenario, in order to demonstrate my capacities instead of just moving my cv waiting for my next opportunity to arrive, I decided to invest my energy and time in opening my own line of research sharing it in this blog. In March 2017 the budget reserved for this project has ended and its weekly basis time frame discontinued until new forms of economic and/or institutional support are incorporated into the project. The value of the data and the original nature of the research presented in this platform and at LinkedIn has proved to be worthy of consideration by the scientific community as well as for publication in scientific journals. However, without a position as member of an institution, it becomes very challenging to be published. I hope that this handicap do not overshadow the value of my achievements and that the Intellectual Property Rights generated with the license of attribution attached are respected and considered by the scientist involved in similar lines of research. **Any comment and feedback aimed to be constructive is welcome as well as any approach exploring professional opportunities.** In this blog I publish pieces of research focused on addressing relevant environmental questions. Furthermore, I try to break the barrier that academic publications very often offer isolating scientific findings from the general public. In that way I address those topics which I am familiar with, thanks to my training in environmental research, making them available throughout my posts. (see "Framework and Timeline" for a complete index). At this moment, 2019, I am living in Spain with no affiliation attachments. Free to relocate geographically worldwide. If you feel that I could be a contribution to your institution, team and projects, don´t hesitate in contact me at d.fdezsevilla (at) or consult my profile at LinkedIn, ResearchGate and Also, I'd appreciate information about any opportunity that you might know and believe it could match with my aptitudes. The conclusions and ideas expressed in each post as part of my own creativity are part of my Intellectual Portfolio and are protected by Intellectual Property Laws. Licensed under Creative Commons Attribution-NonCommercial conditions. In citing my work from this website, be sure to include the date of access and DOIs found at the Framework and Timeline page and ResearchGate. (c)Diego Fdez-Sevilla, PhD, 2018. Filling in or/and Finding Out the gaps around. Publication accessed 20YY-MM-DD at ***
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29 Responses to Global Mixing in Atmospheric Dynamics (by Diego Fdez-Sevilla Ph.D.)

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  18. Recap at linkedin 13Oct 2018
    The cyclone Leslie is giving much trouble for models to predict it’s path. First I share a link with a video showing its latest prediction from Mario Picazo
    and the dynamics affecting EEUU by Larry Cosgrove
    This post links to the results from the line of research that I have presented from my analysis from 2016 in order to contrast its validity with the current situation. Are my conclusions accurate? I also want to invite Paul Newman for feedback based on the involvement of higher levels of the atmopshere in my analysis.
    Global Mixing in Atmospheric Dynamics (by Diego Fdez-Sevilla Ph.D.) DOI: 10.13140/RG.2.2.21255.60320
    From my line of research I am convinced on that Arctic perturbations at the Atlantic basin (warm intrusions over the Arctic and cold at mid-latitudes) are responsible for the genesis of Tropical Systems due to alterations over the ITCZ. From there, the behaviour and paths followed by them would also be driven by more Arctic perturbations (combination of warm intrusions at the North Pacific and North Atlantic and cold at lower latitudes) inducing changes in pressure located all around their path, in front and behind their movement.


  19. Pingback: Energetic Pulses in Atmospheric Circulation Unsettle Our Climatic Scenarios (by Diego Fdez-Sevilla PhD) | Diego Fdez-Sevilla, PhD.

  20. Pingback: Atmospheric Dynamics And Shapes (by Diego Fdez-Sevilla, PhD.) | Diego Fdez-Sevilla, PhD.

  21. Pingback: Memories of an Independent Researcher. “Don’t ask, don’t tell.” by Diego Fdez-Sevilla PhD | Diego Fdez-Sevilla, PhD.

  22. Pingback: Memories of an Independent Researcher. “Don’t ask, don’t tell.” by Diego Fdez-Sevilla PhD | Diego Fdez-Sevilla, PhD.

  23. Pingback: Misleading Concepts in Arctic Circulation (by Diego Fdez-Sevilla, PhD) | Diego Fdez-Sevilla, PhD.

  24. Pingback: In Science Worst Than Using Beliefs to Make Decisions For You, Is Doing It and Not to Be Aware of It. (by Diego Fdez-Sevilla PhD) | Diego Fdez-Sevilla, PhD.

  25. Pingback: 16 May 2019 Follow-Up on Atmospheric Dynamics over Europe and Climatic Implications (By Diego Fdez-Sevilla PhD) | Diego Fdez-Sevilla, PhD.

  26. Pingback: Rayleigh–Taylor instabilities in Atmospheric Circulation. Follow-Up on Atmospheric Dynamics and Climatic Implications (By Diego Fdez-Sevilla PhD) | Diego Fdez-Sevilla, PhD.

  27. Pingback: Climate and Weather. Lost in translation? (By Diego Fdez-Sevilla PhD) | Diego Fdez-Sevilla, PhD.

  28. Pingback: Climate. A Matter of Perspective (Diego Fdez-Sevilla PhD) | Diego Fdez-Sevilla, PhD.

  29. Pingback: Weather and Climate February 2020. Research Overview by Diego Fdez-Sevilla PhD | Diego Fdez-Sevilla, PhD.

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