Questions tagged [wind]

The flow of air with respect to the ground. On the surface of the Earth, wind consists of the bulk movement of air.

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Why do wind speeds often jump from 20 knots to 40 knots

Looking at the BBC weather forecasts I've often noticed that strong winds will often be over 40 knots (for the UK at least). Most of the time (nearly always) the wind will jump from 18-22 knots to over 40 from one hour's forecast to the next. I…
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Interpolating Wind Speed

If I have wind speeds at 80m and 120m above the surface and I am interested in approximating the speed at 100m, is it valid to just average the 80 and 120 speeds? In other words, should I expect wind speed to be a linear function of height or would…
fsumathdoc
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How to simulate wind's trend from his windrose distribution?

I need to simulate a realtime wind's trend from his windrose distribution (made from statistical data). How winds change direction and speed in function of time? I cannot pick a random value from that distribution because I'll simulate some…
tandrea
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How does vertical wind change over time?

My question is about how vertical component of wind may change over time; in particular, as I am interested in simulating the effect of vertical wind on flight mechanics, I'd like to know whether I should consider vertical wind as a deterministic…
sax631
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Wind wall of depression

It's a wind map from the ICON (13km grid) model of the Atlantique ocean of this 7 July 2023. I get that there's two depression near each other interacting but how there's only a very thin line as the resulte of the interaction ? If it's not an…
O'Schell
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Is wind commonly formally defined as some combination of breezes, weather fronts, and climate?

In a book I read, I believe the author defined wind as the sum of breezes, weather, and climate. breezes: hyper-local disturbances, due to topology or uneven heating of surfaces weather: the movement of air due to regional atmospheric highs and…
Kenn Sebesta
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Does sea breeze stop?

Is there ever a state of thermal equilibrium between land and sea? What is the condition of the Land/Sea breeze at that time?
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Find True Wind from ship course and observed wind

Assume that I am sailing in a ship where I know the course of the ship & speed of the ship and observed wind direction & speed using Automatic Weather Station fitted on mast. I would like to know the formula used for calculating True Wind direction…
sundar_ima
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What wind speeds and gusts can usually damage houses or trees?

In my region wind speed increases in Autumn. It reaches to 30 km/h with gust up to 40 km/h. I want to know at which speed the wind and gust can cause small damage of the normal window glass (We mostly using PVC for the windows). Tonight I noticed…
Akam
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What is the difference between w-wind, vertical p-velocity and Omega?

I am wondering the difference between w-wind, vertical p-velocity and Omega. I understand that all represents the vertical profile of Wind, but then why do we use these three different terms?
Kay
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