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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Could this cloud be artificially formed?

This photo was taken at 3000 m above sea level in an open field, during the day.
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1answer
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Clouds altitude

I'm amateur photographer and professional programmer and I'm trying to create an application to predict exceptionally beautiful sunsets (something like https://www.flickr.com/photos/photogtom43/...
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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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Does rain (temporarily) deplete the surrounding atmosphere of carbon dioxide?

CO2 in the air dissolves into rain water, making them slightly acidic. Is that enough to deplete the surrounding air out of CO2? If yes, how fast does this occur? Is it only with the first drops of ...
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Night sky visibility prediction [on hold]

Given a location (e.g. Osoyoos, British Columbia) and human eyes only, what's the ranges for the nights of the year most likely to give clear astronomical viewing? What historical data sources might ...
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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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Can we see the circulation cells in wind maps?

Earth famously possesses three distinct circulation cells per hemisphere. Now out of curiosity one could use a weather app, like windy, to display the wind structures at ground level globally, and ...
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1answer
735 views

Is there a way to calculate the ground and 10m temperature from standard 2m temperature measurements?

I am wondering if it is possible at all to calculate the ground temperature and air temperature at 10m above ground from 2m measurements, or at least using data that a standard weather station ...
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1answer
27 views

Converting Wind Movement to Wind Speed

I'm looking through historical weather station information from NOAA, and I notice some stations do not have wind speed information but do track Wind Movement(WDMV) over a 24 hour period in kilometers....
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1answer
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Southern Hemisphere climate

Does oceanic and land mass positioning affect tropical storm evolution in the southern hemisphere? And, do cold fronts migrate latitudinally " upwards " the way they drift "downwards" in the northern?
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1answer
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Why is the outer color of a rainbow red? [closed]

Why is the outer color of a rainbow red? (Source: Wikipedia)
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1answer
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Computation of geostrophic wind

I am attempting to calculate the zonal and meridional components of geostrophic wind using the equations below: $u_g = -\frac{g_0}{f} \cdot \frac{1}{r} \cdot \frac{\partial \Phi }{\partial \phi}$ $...
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Why it doesn’t always rain with lightning and thunder when it’s hot [duplicate]

Thunderstorms happen after a period of warm weather. There are times though in the summer after it’s been warm for a while and even after it was 95 degrees Fahrenheit, the thunderstorms they predicted ...
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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, ...
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What is the largest hurricane possible?

With Earth getting hotter and hurricanes also getting larger I wonder; Is there a limit on how big a hurricane can physically get?
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Question about the sign of the shearing deformation terms

I have the following equation for the shearing term of the deformation zone in meteorology. The reference is this link: http://www.zamg.ac.at/docu/Manual/SatManu/main.htm?/docu/Manual/SatManu/CMs/Def/...
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What determines the direction of wind [duplicate]

What determines the direction that a wind blows? I understand that the nature of my question is immensely broad but I see no other way to phrase the question. The question surfaced in my mind when I ...
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Is there any program that gives you air temperature (and precipitation) information if you feed them the date and location (latitude,longitude)?

I know I can google each data point (latitude, longitude, date) one by one and find if the government of that country has archived past weather information. But this will take infinite amount of time ...
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Extracting Regional Data from ERA5

This is coming from a newcomer, so please be kind. As I delve into the world of meteo data and reanalysis for the first time, I found that acquiring weather data is a lengthy process, so I'm shouting ...
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Question about the physics of hurricanes

I've a basic misunderstanding about the formation of tropic cyclones. From the absolute point of view, cyclones form in order to conserve total angular momentum - air masses at different latitudes ...
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1answer
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What is the most optimal latitude on Earth for the generation of extreme maximum temperatures?

First question on this StackExchange, so here goes... Overall, reaching high temperatures is dependent on 2 factors: The (maximum) solar angle in the day. The greater the solar angle, the more ...
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Why are there no hurricanes in the southern Atlantic basin?

We see tropical cyclones (going by different names e.g. hurricane, typhoon, cyclone) all over the tropics, but it seems that there are never any storms in the southern Atlantic. See this map of ...
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2answers
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Estimation on how cold will my pond get - intent is to know if certain fish can survive in it

I want to get an estimate on how cold my pond will get. It is a 1 acre pond in Central Florida USA. It has an average depth of 4 feet. There is not much circulation in the pond. It gets direct ...
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1answer
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Locating shearlines or deformation zones in a map

I am looking for a way to detect shearlines or confluence regions such as that shown in the figure below (red dashed line). I was able to derive the stretching, shear, and total deformations. The ...
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How to calculate humidity using outside temperature and outside relative humidity?

I would like to ask how to calculate the relative humidity that a heated indoor area would have using only outside temperature and outside relative humidity. I found the Relative Humidity Calculator ...
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1answer
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What kind of climate could you expect in a mountainous area in a subtropical region?

More specifically, I'm trying to work out climate analogues for my farm. It's at 5200-6200ft in South India. My area is a bit too small for the Köppen Map to correctly reveal patterns. I'll be ...
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Are EF6 Tornadoes officially recognized

Are EF6 Tornadoes officially recognized on the fujita scale or not, I have been quite confused on this and I have been very curious about it.
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St. Elmo's Fire not dangerous?

I know that St. Elmo's Fire is a form of plasma that occurs during thunderstorms that is similar to lightning because it is formed by a difference in charges. But why isn't it dangerous if St. Elmo's ...
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2answers
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Does rain itself affect barometric pressure?

I understand how and why low pressure systems are often associated with rain, but does the rain itself (both during and after) alter barometric pressure in any meaningful way?
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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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Is there a name for this weather phenomenon?

I was wondering if there was a name for the effect I’ve noticed over a lake in really cold weather. You can see white wisps over it, which I think is mist from the lake rising into the air and ...
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1answer
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What type of cloud is this?

I live in a sub-tropical region of Australia. Earlier today, we experienced temperatures of 31C and it was clear about 2 hours before I went out and noticed the following clouds directly above my ...
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1answer
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Ordered arrangement of clouds

I happened to take a photograph of a region of clouds ,and it seems to have a rather ordered arrangement ,if one looks towards the left of the image. Would there be a physical explanation for this or ...
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What causes frozen “shooting water” spikes from ice covered water in the winter?

I have seen things like this appear once or twice on cold winter mornings, a frozen spike of water from an ice-covered container or very small body of water (puddle). I found the photo below at Mel ...
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1answer
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What do the little flags on these martian wind speed data points mean?

According to this answer the weather at the InSight lander on Mars can now be seen online at https://mars.nasa.gov/insight/weather/ This includes the wind speed and I believe the direction (if that's ...
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1answer
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What are these Gizmos at Mauna Loa Observatory?

Artist Rosten Wu's Vimeo channel has a video title Bridging Time and there is discussion about the Keeling Curve and the site where it all began in Hawaii. In the video there is a shot of a weather ...
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Are these plane trails seen from satellite

Here are photos from West of Normandy, at 7-9am after sunrise on the 14th of may, from the visible satellite. It's a bit strange that they are visible from space, they are 2-3 miles wide? Are they jet ...
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Can someone help me identify this cloud formation?

These pictures were taken today in Oklahoma City and I am both baffled and curious as to what formation this may be. I was wondering if anyone had any idea? Thank you!
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There are cloud identification guides, are there also (guided) rock identification websites?

Seeing all these rock identification questions, got me wondering, is there no straightforward guided rock identification website? In Intro to Geology lab, I remember going through a bit of a process ...
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1answer
276 views

What type of storm cloud is this?

We have had (and are still experiencing) waves of storms passing through this area of the central Queensland 'Capricornia' coast, Australia. This area is a subtropical coastal environment, close to ...
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1answer
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What type of cloud formation are these dark low-hanging clouds?

I was thinking it could have been a non-rotating wall cloud, but I'm not sure. YouTube video Picture taken on September 9 2014... between 5-7 pm in North Georgia, about 40 miles north of Atlanta.
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What are these Gizmos at Izaña Atmospheric Research Center in Spain?

This tweet from the account of the Centro de Investigación Atmosférica de Izaña (AEMET) http://izana.aemet.es Izaña Atmospheric Research Center (AEMET) shows images of meteorological instruments ...
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What is this spaceship-shaped cloud?

This tweet from the European Space Agency (ESA)'s Spanish account show a striking photo of a round, flat, "space-ship-shaped" cloud in an otherwise completely clear sky. The stars are out so I assume ...
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Is it normal for a cyclonic storm to form at the latitude of New York, USA?

I am following climate activist Greta Thunberg's sail to N America from Europe on https://tracker.borisherrmannracing.com/. The model shows a cyclonic storm forming south of Nova Scotia, east of New ...
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1answer
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Is there any possible way that a tropical cyclone of any strength could form over land?

Most tropical cyclones rapidly weaken over land, however, given some conditions (such as very wet soil/ground cover and tropical lower atmospheric conditions) they can sustain themselves or even ...
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Hypothetical: an immense disc blocks sunlight, how does this affect the weather?

I have a hypothetical situation, and I am specifically interested in how this situation would affect the weather. I have asked this question elsewhere, however I feel that nobody with any expertise ...
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1answer
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What is the loudest thunder ever recorded (dB) at ground level and where did it occur?

Sound travels fastest through warm air and conditions such as temperature inversions can help to amplify the sound of thunder (source). Conversely, during a thundersnow event the falling, and ...
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Why did Hurricane Harvey have so much lightning associated with it?

Hurricane Harvey was a prodigious lightning producer when it hit Houston/SE Texas. But I thought hurricanes don't have much lightning (with the eyewall being the only exception), due to tropical ...
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1answer
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Continuous lightning for over an hour; is this phenomenon common and does it have a name?

A few months ago, I witnessed something off the coast of Florida that I have never seen in my life. From my apartment, from about 10PM - 12AM, I saw pretty much continuous cloud to cloud lightning. I ...
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1answer
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Why during subsidence inversion, upper layer warms more than lower layer?

Source : weather.gov This is mentioned in the book I have been reading regarding stability in atmosphere. But I am not able to pin point exact reason behind this. "As the layer subsides, it ...