Questions tagged [jet-stream]

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2answers
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Why is the jet stream stronger in winter?

I notice on a website talking about the jet stream https://www.weather.gov/jetstream/jet It says: The winds blow from west to east in jet streams but the flow often shifts to the north and south. ...
2
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0answers
43 views

How does jetstreams lead to formation of heat waves in Europe?

Jetstreams move at an altitude of roughly 6-9km above the sea level. Since, it is moving at such a great altitude how could it have possible impacts on the land? And how will jetstreams that flow at ...
4
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1answer
51 views

Are there any flights that fly east both from origin to destination and from destination to origin?

Flying east is faster so I expect that if the destination are on opposite points or closer, that the flights between them always be to the east. For example Los Angeles to Delhi. I see the fly is ...
5
votes
2answers
571 views

Centrifugal Force in the Navier Stokes Equations

The Navier-Stokes equations are a set of nonlinear differential equations that diagnose wind speed and direction. They are (approximately) expressed as $$\frac{d\vec{u}}{dt}=-\frac{1}{\rho}\nabla P+f\...
1
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0answers
612 views

Jet stream core

Why on a Polar Front Jet Stream does the core form on the tropical (warm air) side and not on the polar (cold air) side? Thank you in advance.
5
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2answers
1k views

Easterly Jet Stream

If most of jet streams are westerly, that is to say, they blow from west to east, why does the tropical/equatorial jet stream blow from east to west?
3
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0answers
240 views

How does the interaction between Subtropical Westerly Jet Stream and Himalayas causes subsidence of air?

While reading the topic "Monsoon" in Aguado's Understanding Weather and Climate, I read this line During winters... Air flows down the southern slope of the Himalayan Mountains due to more rapid ...
1
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0answers
102 views

Sailing Around the World on a Jet Stream

An ultra light plane can stay in flight up to 2400 km (the World Record) with out an engine using thermal lift. Can a huge kite like airship (not a blimp) be built to indefinitely sail in and out of ...
9
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3answers
764 views

First to Sail the Jet Stream Around the World

My questions are related to a scenario discussed on Earth Science: A huge (heavier-than-air) kite sailing in and out of the jet streams. The kite: The scenario: The assumptions: Such an airship ...
23
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0answers
407 views

Is it possible for a sting jet to form over a continental landmass?

Sting jets are thought to be responsible for some of the most damaging winds associated with extratropical cyclones in the mid-latitudes. So far they have only been confirmed in the European region, ...
11
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1answer
834 views

Why does the meandering pattern of the jet stream itself propagate?

It is well known that the jet stream follows an overall meandering pattern, but what is less well known is that this meandering pattern itself moves as a wave with a velocity much slower than the ...
24
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2answers
1k views

What is the cause of the jet streams?

Jet streams are fast-flowing currents of air in our earth's atmosphere. An enormous amount of energy is necessary to keep a jet stream going. Where does this come from and why?