西藏:建设完善全人群疾病数据库[组图]
百度 这两款车型不仅在产品上争夺,在产品线上也互不相让。
Weather means the atmospheric conditions, including wind, temperature and precipitation, in a specific area at a specific time.
380 questions
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Are there thermals at night sufficient to assist flying a glider?
I've read that it is not common practise to glide at night due to the difficulty of spotting thermals, but my question is:
Are there thermals at night sufficient to assist flying a glider?
It would ...
2
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2
answers
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Why is there no condensation around the intake?
I was flying out of KSEA tonight, and noticed that there was condensation forming in the intake of the engine, much like what you would see on a wing in a humid environment with a low dewpoint.
I ...
3
votes
1
answer
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METAR, TAF, NOTAM, PIREP - which authority for contractions?
Aviation obviously is known for is a.c.r.o.n.y.m.s. and abbreviations.
My question is: who controls the abbreviations/contractions for the below services? If you are aware of a source document showing ...
5
votes
2
answers
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impact of low ceilings on a single runway operation like KSAN vs multiple runways like KSFO?
So I'm pretty familiar (as a pax, not a pilot) with weather and its impacts at SFO, where low ceilings or the wrong winds play havoc with the schedule. You can't shoot parallel approaches in sub-VFR ...
3
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0
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What's the angle and weather conditions required for this to take place? [duplicate]
Sometimes when flying one can see this type of rainbow circle thing around the shadow of their plane.
Often the rainbow thing is projected onto clouds and then it contrasts and is visible clearly.
...
7
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3
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Is it possible for one wing to stall due to icing while the other wing doesn't ice?
Is it possible for one wing to freeze with ice completely to the point of stalling, while the other wing is fine? Let's say the pilots made a mistake by forgetting to turn on anti-icing systems. Is ...
0
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1
answer
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Sea Level pressure on different charts that has wildly different values [closed]
I was an AG in the Navy about 40 years ago and I just picked up a personal weather station. So not a calibrated barometer at home, I started looking at nearby stations on Weather Underground(WU), ...
0
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1
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Find the approximate base of the cumulus clouds with Lapse Rate
Okay, so I know how to calculate the base of cumulus clouds, however, this is the first time I'm seeing lapse rate in the question:
Normally I would do ((23 - 15) / 2.5) * 1000 which would give me ...
7
votes
1
answer
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Which weather condition causes the most accidents?
Among all weather conditions (fog, hail, snow, thunderstorms, etc.) which one causes the most accidents?
Note: Ideally I want to limit the question to accidents within general aviation for typical ...
26
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3
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Can someone explain the damage distribution on this aircraft that flew through a hailstorm?
An A320 flew into a hailstorm 20mins from landing. I’m intrigued by the damage distribution. Seems like everywhere else wasn't touched at all. Why?
3
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1
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Is there a relationship between ocean tide and turbulence?
Especially at lower altitudes, can we asume that if the tide looks high that there would be more turbulence and vice versa?
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0
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What are the least and most turbulent hours of the day?
Yes, it is quieter on the early morning, but what about the other hours of the 24 hours of the day?
I want to know statistically which hours of the day are the most and least turbulent, is there any ...
11
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7
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Are flights in fast jet streams more dangerous?
This article from Not the Bee (note that this is a right-wing site, and the article includes a paragraph making fun of diversity, equity, and inclusion initiatives, so don't click the link if that ...
2
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2
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What is a squall line and how it is created?
How are squall lines created and what are they exactly?
If we encounter them how we deal with them?
I know that it is a narrow band of thunderstorms that is moving, but is there any other weather ...
5
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5
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What is the least turbulent altitude under 10,000 feet ASL that planes usually fly?
Statistically speaking, at what altitude under 10k feet there are less chances for turbulence during a typical flight?
Personal experience is also welcomed.