The shape of the atmosphere on Earth is largely an oblate spheroid[w]; it is thinner at the poles and thicker at the equator.
As illustrated below, with the Earth's surface of the northern hemisphere conceptually flattened in a manner maintaining the distance between the surface of the Earth and the surface of the atmosphere, it reveals the atmosphere on a hemisphere is intrinsically a parabolic-shaped structure.
Note: The atmospheric layer of these simplified images were exaggerated to conceptually illustrate its parabolic-shaped structure.
Paradoxically, the apparent convex structure of an atmospheric layer in the hemisphere, is actually a concave structure; the Earth's atmosphere is fundamentally a spheroidal forced vortex structure.
Fundamentally, such an intrinsic parabolic-shaped atmospheric structure is caused by the effect of a manifested atmospheric forced vortex[uvs], which shaped the atmospheric structure in the fundamental geometric form of an oblate spheroid.
On the atmospheric surface of a conceptually flattened Earth, the two geological poles at the highest latitudes in geometric vector[w] are at the two points with the lowest potential energy. And on the equatorial plane at zero latitude, the surface of the atmosphere is on the rim of its forced vortex with the highest potential energy.
This is a paradoxical effect caused cognitive paradox that is rendered in an obfuscated topsy-turvy[d] manner.
With this delusional observation meticulously elucidated, a crucial cognitive paradox is resolved and thus revealed the subliminally obfuscated forced vortex pair.
From the perspective viewing the North Pole[w] is at the top with the side view of the Earth, it can be visualized that the rotating Earth in its axial tilt is revolving around the Sun in the plane of the ecliptic[w].
Heuristically, the oblate-shaped structure of the Earth's nested atmosphere is as a result of the exerted centrifugal force[w] from the Earth that spins on its axis of rotation.
Fundamentally, the intrinsic ellipsoidal atmospheric structure is an elongated forced vortex pair formed by the tidal forces of the Sun and the Moon on the plane of the ecliptic.
From the UVS perspective, the rotational axis of the Earth is the main axis of the unisonal vortex mechanism[uvs] that render the angular momentum[w] to drive the tilted force vortex pair to cyclonically form it as a free vortex pair. And the axis perpendicular to the plane of the ecliptic, is approximately the secondary axis on which the tilted force vortex pair is in superposition as an intrinsic ellipsoidal atmospheric structure.
The nested polar vortex pair formed on the upper atmospheric layers with its cascaded vortical columns manifested at the two geological poles, thus transformed the structure of these atmospherics layers as a nested form of torus-shaped structure.
The resolved cognitive paradox on the apparently convex atmospheric structure around a polar axis is actually a concave structure in a hemisphere of the Earth, and the observable differential spin on two axes of the Earth that interacts with the manifested forced vortex pair on the rotational axis, constitute as the qualitative proof for the nested polar vortex pair is largely manifested with the precession effects of the Earth.
The grounding for its epistemic theories of truth: The underlying vortical structure and mechanism of polar vortex as explicated with its hypothetical construct based on the UVS model, elucidated its delusional observations that render its misconceptions, mysteries, and anomalies. Thus, its cognitive paradoxes could be meticulously resolved, and all the related natural phenomena were then qualitatively analysed in the conceptual framework of UVS by inductive reasoning for explicating with their empirical evidence to predicate by abductive reasoning.
The low-pressure polar vortex column at a polar region with its atmospheric layers vortically displaced, is the causality for the collision of cold front[w] and warm front[w] phenomena between the inner and outer boundary of its meandering polar jet stream[uvs], which marks the boundary of its polar vortex column. The vortically displaced and thinned out low-pressure atmospheric layers at a polar region, is the causality for the sudden drop of the temperature inside the polar vortex column.
The UVS research predicates a polar vortex is significantly affected by the focused tidal force from an alignment of the major Solar System objects.
With a stronger torque-induced precession that occurs seasonally, when the cohesion force of air molecules in the nested atmospheric layers are overcome by centrifugal force in a spinning action, a vortex eye would open at the center of equilibrium. And a vortical chain reaction with self perpetual motion will then occur to form the vortex column until the formation of the cyclonic free vortex is peaked.
In summer, the tilted Earth with the pole positioned nearest to the Sun, the vortex column of its nested polar vortex would thus shrink toward the pole.
On a summer's day in southern hemisphere rendered by the axis tilt of a perihelion[w] Earth, at regions near the equator with the thickest atmospheric layers vortically pushed out by the rotation of the Earth, in high pressure systems with the atmospheric layers are denser and thicker at nearer the equator, could explain why those higher atmospheric pressure land regions are the warmest places on Earth when solar irradiance[w] and solar insolation[w] are increased with the axial tilt of the Earth.
In winter, the tilted Earth with the pole positioned farthermost away from the Sun, the vortex column of its nested polar vortex would thus open wider toward the equator.
With lesser dragging effect of landmass at the South Pole, the Antarctica polar vortex would thus be more intensified than the Arctic polar vortex for lowering and displacing the troposphere with more the freezing higher altitude air in its vortex column.
Therefore, on a winter solstice night rendered by the axis tilt of an aphelion[w] Earth, with the high altitude continent of the Antarctica polar vortex is also most intensified by the focused tidal forces of a perigee moon when the alignment of Sun-Moon-Earth is also aligned with the gas giants, and thus extremely intensify its nested polar vortex and jet streams, it would cause its lower pressure nested vortex column in the troposphere to become widely opened. With the reduced solar irradiance and solar insolation in a low pressure system of the nested polar vortex during winter, could explain why Antarctica[w] is the coldest place on Earth.
The seasonal variation on Earth, is rendered by the extent of how much the nested polar vortex has opened up toward the equator.
The UVS research predicates the seasonal variation on Earth is rendered by the extent of how much the nested polar vortex has opened up toward the equator.
From the UVS perspective, a polar vortex column of troposphere widened by precession effect, could cause polar climate to farther extend toward the equator. And the effect of a supermoon[w] in its lunar cycle during winter when a pole of Earth is tilted farthermost away from the Sun, would cause the polar climate to spread farthermost toward the equator.
See an externally linked report on "U.S. Midwest, Northeast hit by bitter cold temperatures" that reported on how a widened polar vortex of North Pole were causing cold climate further South.
These extreme climate variations on Earth are largely caused by the planetary mechanism that affects the nested polar vortex pair of the Earth.
See the UVS topics on "Little Ice Age" that elaborates on how the climatic minima on Earth could synchronize with some grand solar minima, "Polar jet streams" that elaborates on how a polar jet stream is vortically manifested by its nested polar vortex, and "The causality of subtropical desert" that elaborates on how a vortical mechanism could have ruled the subtropical deserts, and "Sunspots" that elucidates on how the extreme climates of Earth could be caused by a vortical mechanism governing the Sun in the Solar System.
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The inception of this UVS topic was in May 2007 with ongoing updates since.
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