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Questions tagged [meteorology]

The study of how the earth's atmosphere works, including weather forecasting. Use this tag for questions about the earth's weather. When asking questions specifically about the atmosphere, also include the [atmosphere] tag.

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79 views

how to calculate the average moisture flux over a period of time

I wanna calculate the average moisture flux over a period of time. For example the average moisture flux over an entire summer. I don't have a meteorological background. I have a conceptual confusion ...
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30 views

How to create Indonesian environmental conditions in India?

Need to create and maintain Biofloc for fish farming in India, it's really successful in Indonesia and I believe it's due to environmental conditions. Can we replicate the same in India?
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45 views

How to calculate water vapor budget for a selected region in GRADS or MAT Lab

I need to calculate water vapor budget for a selected region. Can anyone suggest a specific link or code for the above mentioned tools please. I have seen a link for NCL but i am not familiar with ...
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26 views

what changes in the weather prior to thuderstorms?

What changes in the weather prior to thunderstorms (day before, for example)? It seems humidity goes up and temperature but is there anything else?
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47 views

What is the most powerful kind of extratropical cold core cyclone and why?

I want to understand what makes for a very strong extratropical cyclone. So which kind on Earth is the strongest in terms of windspeed or pressure? Southern ocean storms, nor'easter, European wind ...
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63 views

Can cloud seeding make a much hotter summer, at a middle latitude, at the area that receives less water than expected?

My country, Spain (40ºN), receives clouds from the Atlantic Ocean during the summer. Our most visited beaches are on the Eastern coast, which sits on the Mediterranean Sea, there is typically more dry ...
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49 views

Plotting moist static energy fluxes

I'm trying to plot Moist static energy fluxes (vectors) and their divergence like the attached Figure. I have monthly means of u, v, temperature, specific humidity and geopotential from(1000-100 hPa) ...
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35 views

Is there a conventional name for when wind speed increases as a result of a large descending air mass?

I remember reading a long time ago in a meteorology book that certain dust storms were caused by a rapid descent of a large air mass. As the air is pressed against the ground, it is forced to spread ...
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55 views

Correlation between temperature and precipitable water in the tropical climate

Air temperature is known to correlate well with precipitable water at higher latitudes. What are the likely factors that degrade the correlation in the tropical monsoon climate?
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18 views

Is there such a thing as virtual barotropic?

In meteorological terminology within dynamics, there are usually one of two unique assumptions made: Baroclinic- density is a function of both temperature and pressure : $\rho(x,y,z,t)=\frac{P(x,y,z,...
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195 views

Calculation of apparent heating (Q1) and apparent moisture sink (Q2) as defined by Yanai et al. (1972) using NetCDF data?

Please can anyone explain how to calculate apparent heating (Q1) and apparent moisture sink (Q2) as defined by Yanai et al. (1972) using NetCDF data? Please kindly check equation 6(Q1) and 7(Q2) of ...
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65 views

Theorist speculate about dozens of loud atmospheric booms across globe

Theorist speculate on the dozens of loud atmospheric booms across globe. Has any recognized institutions offered a plausible explanation as of now?
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68 views

Missing Data in GSOD Data

I been accessing daily historical NOAA GSOD data through Google BigQuery. I am interested in long term time series of snow, precipitation, and to a lesser extent temperature for areas around the Volga ...
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86 views

Pileus / velum & altocumulus / altostratus - classification problems

I have a lot of free time and often observe and take photos of the sky. Along with that, I always try to figure out what exactly I saw. I think that I have the basic understanding of clouds and cloud ...
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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.
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343 views

What is a weather system?

I heard on Star Talk Radio that Jupiter has weather systems larger than Earth so I was just curious to know what the definition of a weather system is exactly.
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339 views

Why is lightning going from the Earth to the clouds while the electrons are going from the clouds to the Earth?

The lightning is often a discharge in advance. The (negative) charge slide occasionally a little further on in the conductive channel, wherein said channel is highlighted each time something. The ...
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15 views

What data of agricultural yield to use for India?

I am trying to understand the role of various meteorological factors on agricultural yield over India. Is there a dataset available directly or an indirect proxy of agricultural data, maybe satellite, ...
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15 views

Average # of days with thunderstorms

What is the average number of days with thunderstorms for each month in Waynesville, North Carolina
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22 views

Local Weather Forecast (Self-Learning Algorithm)

First of all, the question! : Is it possible to predict local weather tendencies for the upcoming hours (let's say 2-3 hours) using only local data? If yes, which data is needed to make such ...
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64 views

Moisture flux convergence/divergence calculation in Grads

I want to calculate moisture flux divergence/convergence in 850 hpa for the summer and I have monthly mean gridded data sdfopen shum.mon.mean.nc sdfopen uwind.mon.mean.nc sdfopen vwind.mon.mean.nc ...
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1answer
77 views

Decomposition of variables in horizontal and vertical modes

I have a query regarding the practical applicability of variable separable method. Usually we decompose the variables w.r.t components corresponding to different dimensions, this method is used to ...
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48 views

Can extratropical cyclones force global cooling?

We are living in a historical period of global warming since about 20,000 years ago. This global warming period is one of about ten in human history. Those periods may very well be forced to start by ...
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36 views

Just how dry could Ben Nevis get? Is this surprising?

The BBC article Soggy Ben Nevis can be remarkably dry describes results of a crowdscience effort to transcribe historical meteorological records recorded manually by researchers living on top of "Ben ...