Questions tagged [jet-stream]

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How is Wind oriented in a Jet Streak?

Recently I found this tutorial video about Jet streaks (want to mention I'm only in second term so my knowledge is not advanced yet). Originally I was looking for the topic because of a particular ...
MichaelW's user avatar
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6 votes
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What has been going on in the atmosphere over the past couple weeks?

First there was a once-a-century bomb cyclone 2000 miles wide that froze the entire Eastern US. Gigantic US winter storm leaves millions without power and cancels holiday plans Then Europe had a ...
mmesser314's user avatar
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Imbalance between North and South hemisphere jet streams

I've been tracking the global jet streams for several years now. Over time, I've noticed that the Northern hemisphere jet streams appear much thinner, slower, and less well organized than their ...
Andre Virly's user avatar
3 votes
1 answer
2k views

Why is the pressure on the poles higher in Summer and lower in Winter?

Just to give context, this was not my original question but one that I ended up stuck with while trying to find a cause for the following observation (which is almost universally true for temperate ...
aman's user avatar
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1 vote
2 answers
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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. ...
Flying777's user avatar
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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 ...
William Gilbert's user avatar
4 votes
1 answer
76 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 ...
ronenfe's user avatar
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6 votes
2 answers
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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\...
BarocliniCplusplus's user avatar
1 vote
0 answers
618 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.
ECJCZ's user avatar
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7 votes
4 answers
2k 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?
James's user avatar
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4 votes
0 answers
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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 ...
Maverick33's user avatar
1 vote
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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 ...
Muze's user avatar
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8 votes
4 answers
1k 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 ...
Muze's user avatar
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27 votes
0 answers
557 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, ...
Siv's user avatar
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11 votes
1 answer
1k 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 ...
Kenshin's user avatar
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25 votes
2 answers
2k 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?
Ben A. Noone's user avatar
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