
Why does a weather vane arrow point in the direction of the wind?
Jan 14, 2020 · It seems that a weather vane will rotate in order to minimize energy and thus orient itself parallel to the wind. What I do not understand is why it is implied that the weather vane …
Is the weather intrinsically chaotic? - Physics Stack Exchange
Oct 8, 2025 · The weather would still be chaotic without quantum effects because the initial conditions simply cannot be known absolutely. Remember, infinitesimal differences in initial …
classical mechanics - Why do bullets precess in the opposite …
Apr 21, 2023 · The gyroscopic precession through spin stabilization is utilized specifically to maintain this orientation, and is why bullets weather-vane. Spin stabilization is quantified by …
climate science - What is the actual definition and meaning of ...
Jul 25, 2023 · The only definition of temperature anomaly that I found is something like: "the difference between the observed temperature and a reference temperature. The reference …
What does 'saturated' air actually mean? - Physics Stack Exchange
May 9, 2021 · I'm having some problem in getting an insight on what 'saturation with vapor' actually means. The question is asked in the context of atmospheric air becoming saturated …
What does a gradient mean in physics? - Physics Stack Exchange
Feb 24, 2017 · I'm a physics high school student and have learned about the term 'gradient' regarding a few situations, such as pressure gradients and temperature gradients. But what …
Is the butterfly effect real? - Physics Stack Exchange
Jan 26, 2016 · 3 Weather models have significant positive feedback loops built in because without them the return to average is too fast for accurate prediction. This is due to the grossly …
What is temperature on a quantum level? - Physics Stack Exchange
Jul 12, 2019 · The statistical mechanics definition is always the same. Of course, the computation differs. How does temperature relate with the energy levels of an atom? It does not relate in a …
Fields and quantities - Physics Stack Exchange
Dec 3, 2021 · For example, on a weather map, the surface temperature is described by assigning a number to each point on the map; To my understanding, mathematically at least, according …
terminology - What is the difference between air pressure and ...
Atmospheric pressure is air pressure due solely to the weight of the air above you in the atmosphere. It is typically around $10^5\ \mathrm {N/m^2}$ on Earth, but can vary with altitude …