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Questions tagged [weather]

For questions related to the climate, temperature and precipitation that a world might experience. Compare [climate] and [seasons].

17
votes
9answers
5k views

What would a Dragon have to exhale to cause rain?

In a fantasy world I've been working on Dragons are venerated by many for their ability to seemingly summon rain where ever they roam. It's common for the peasantry of the south to leave offerings of ...
6
votes
1answer
101 views

Effect of slow rotation on winds

Given a rotation rate comparable to Venus & axial tilt like Uranus (about 90deg), what should I expect for atmospheric winds? I anticipate a stratospheric wind only, dropping to the surface at or ...
4
votes
2answers
178 views

Snow on a low-gravity, high-pressure world

Disclaimer: I am not a meteorologist. Snow forms when supercooled water droplets nucleate onto particles in the atmosphere. After forming, they grow further by both tumbling around within the cloud ...
-1
votes
2answers
51 views

Focusing solar irradiation to create equatorial conditions at the poles [closed]

As I understand it, the majority of thermal energy on Earth comes as a by-product of absorbing radiant solar energy. Since the equator gets hit by rays which are almost perpendicular to the surface of ...
9
votes
8answers
1k views

Desert poles but arctic equators; trying to find out if specific way is possible

I'm trying to create a planet with a hot desert north and south pole but a cold equator. Is this possible? and if so how? And if it's heavily related to space how would night and day work on this ...
3
votes
2answers
88 views

What would the climate/environments be like on a planet covered in small crater lakes and seas? [closed]

Imagine an Earth-like planet with no major oceans, all the water has collected into circular craters from impacts that are no longer occurring. Let's say the planet is covered evenly with 50% water ...
18
votes
2answers
379 views
+100

Climate or weather simulation - free tools

Are there any free living or discontinued tools that can simulate climate or weather? BYOE and Monash are only online web climate simulation tools. Some tools I tried: ClimaSim is only free climate ...
9
votes
3answers
411 views

What adaptations would allow standard fantasy dwarves to survive in the desert?

Recently I was talking with a friend of mine on fantasy stuffens. I brought up that its interesting that dwarves are rarely in the desert and he immediately listed reasons why the dwarf build is bad ...
6
votes
1answer
1k views

Can rocky hills similar to the Scottish highlands be located next to a bog?

I've written about these rocky hills with short grass, gravel, shrubs, and big boulders. At the bottom of one of the hills is a big bog. Basically I've designed some buildings to be sticking out of ...
4
votes
2answers
271 views

How to explain day is 10 times as bright but no warmer?

Set at the present day Earth, the daylight on average is ten times as bright as today, approximately 111,000 lux at noon for example and subject to geographic and the air quality etc. I am looking for ...
20
votes
2answers
4k views

A hang glider, sudden unexpected lift to 25,000 feet altitude, what could do this?

This is the third in a series of 5 (at this point) questions. It's not relevant to this question, but for anyone who's curious this was the first, this the second. Conditions for this question are: ...
2
votes
1answer
154 views

Meterology of double planets sharing an atmosphere

If two planets were tidally locked and shared an atmosphere, as described in this question, what would the weather patterns of the planets be like? What weather patterns would form, and could these ...
6
votes
4answers
312 views

Would storms on an ocean world harm the marine life?

On a habitable world completely covered in water, with no land above sea-level, there would presumably be storms of biblical proportions. Suppose this world has oceans so deep that the deeper layers ...
4
votes
2answers
102 views

How does steppenwolf planet generates typhoon?

In a distant future, a spaceship was investigating a gravitational anomaly somewhere within a chartered sector in the Andromeda galaxy. A disaster strikes and the spaceship was found marooned on a ...
2
votes
1answer
94 views

Climate and weather without obliquity and eccentricity?

Obliquity is the most important factor of seasons. Without axial tilt, eccentricity causes small temperature variations. What would climate and weather on Earth look like, if Earth doesn't have any ...
6
votes
4answers
212 views

How could it rain oil?

It’s 2019 in an alternate steampunk/dieselpunk universe. Population growth, dwindling resources, and the evil overlords have everyone cramped into big cities, toiling away in the hope of something ...
3
votes
1answer
105 views

Weather and climate during the next Ice Age

I have a short story series, it is set thousands of years in the future during the next ice age. Humanity and their governments reside along the equator and in parts of the Southern Hemisphere. ...
9
votes
1answer
140 views

Determining Planet rotation period that would allow for global Wind Cell

I'm trying to figure out how quickly a planet could rotate while also having a single air flow cell, such as Hadley cells, that would circle from hot pole to cold pole, etc. as in the case of Tidally ...
-1
votes
1answer
97 views

Forming a permanent ice cap by continuous hail precipitation

Permanent ice caps are formed when the rate at which water falling under the form of snow is higher than the rate at which the water is removed from a certain region either by evaporation or outflow, ...
6
votes
1answer
146 views

Ocean currents on a world with 1 continent and many archipelagos

I am building a world that has a single giant continent and nine island chains around the equator. I watched Artifexian's video on ocean currents and made a basic map, but it has no information ...
1
vote
1answer
37 views

Could controlling the oceans result in a wide-spread freeze?

My idea is a device that gives its user great power over the ocean, its currents, and presumably temperatures. Could this be used to dramatically (and in relatively short time) effect the climate of a ...
3
votes
1answer
69 views

Weather patterns in an ice age

Specifically, I'm referring to an ice age that covers most of the Northern and parts of the Southern Hemisphere. Long after it began, how would weather in regions along the Equator and Southern ...
8
votes
6answers
3k views

How to limit sight distance to 1 km

My country is on the coast and spans deep into the continent. The technology level is before the invention of explosives. 10 years ago with naked eyes, anyone could see further than 10 kilometers away ...
-2
votes
1answer
99 views

What would climate be like on a tidally locked planet? [duplicate]

How would climate behave on a tidally locked planet? Would there be zones like the ones on earth or not?
5
votes
3answers
188 views

Reality check; minimal axial tilt = minimal seasons/mild weather right?

TLDR; what would weather be like with minimal axial tilt? Included is a picture of my climate map and several perspectives of a paper model I made of the planet. The ocean covers over half the planet,...
3
votes
1answer
196 views

Carrington Event Shield

If a nascent colony world can be wiped out by a geomagnetic storm on a scale similar to the Carrington Event, what could the colonists build either in space or on planet to protect their electronics ...
6
votes
3answers
206 views

How would a world evolve with regular blizzards? [closed]

Imagine there are severe magical blizzards coming from the south pole at regular intervals. Since they're magical, let's assume they can cross the equator and don't lose strength over time. They are ...
0
votes
1answer
85 views

Could a synchronously-rotating planet in the goldilocks zone exist? [duplicate]

An earth like planet in terms of lots of water and an atmosphere. The liquid water on the sunny side would evaporate due to the extreme heat and the snow and ice on the dark side would never melt due ...
5
votes
4answers
223 views

How can Mars have life but still be “The Red Planet”

Building on this question "Discovery of life on Mars" Mars is habitable (40% the mass of Earth, 6.06 m/s² gravity, escape velocity of 7.88 km/s, a satellite big enough to stabilize its axis and has ...
2
votes
1answer
85 views

How might clouds be produced in a large underground fantasy realm?

I'm attempting to give my fantasy world weather/clouds, (some might be light-producing to add to other light sources, so if there's a scientific way to do that, please give it to me). There are ...
2
votes
2answers
146 views

What would happen to the Earth if it were suddenly transported to a completely empty void? [duplicate]

The entire planet Earth is suddenly teleported (never mind how for now) to a completely empty space. No sun, no moon, no stars or other planets. There's absolutely nothing out there and it appears ...
8
votes
1answer
107 views

How to create an artificial hurricane?

Imagine a civilization capable of interstellar travel and building Dyson structures, so technological advancement and energy acquisition are not a concern. They found a planet that is very Earth like....
30
votes
7answers
5k views

How can I make raindrops bigger?

I've got an intelligent humanoid species living on a planet very similar to Earth's. However, on this planet, rainstorms are more frequent and slightly... different. Each raindrop is at least an inch ...
25
votes
13answers
6k views

How can a planet have a deadly eclipse-like “spotlight”?

A solar eclipse occurs when the moon passes between the Earth and the sun. The result is a giant shadow that sweeps across the Earth's surface. This world has the opposite phenomenon. Instead of a ...
1
vote
3answers
253 views

What would an earth-sized world be like if shaped like Ultima Thule?

Recently, pictures taken by the New Horizons space probe were released depicting the unusually-shaped object Ultima Thule. Now, suppose there was an world the size of the Earth, but in the shape of ...
3
votes
1answer
127 views

How would a 384 hour day/night cycle on a desert planet affect the weather?

The planet has a slow rotation around its axis, taking 384 hours for a full day and night cycle at the equator. There is one large continent which takes up around one third of the planets surface. The ...
6
votes
2answers
135 views

Abnormal Freezing Weather

I have an Earth-like planet that has no frozen poles. It is very similar to a Cretaceous Earth. Is there any sort of odd, yet reoccurring weather event, that could cause freezing air from the upper ...
23
votes
6answers
2k views

Scientific explanation for a exceptionally bright night sky

On an alternative Earth live the people of Tcelonia. One of their founding myths goes that, in the dawn of times, when they were under the menace of being attacked by an enemy population, for an ...
10
votes
8answers
3k views

So much smoke that the suns rays never get through?

In my book I have a city which is constantly dark. The sun doesn't reach it. This is because it's a city of waste, so all the waste gets thrown into this city and lit on fire every single day, which ...
5
votes
2answers
103 views

Naturally maintaining an atmosphere being stripped by a brown dwarf‘s magnetosphere

In this scenario we have a brown dwarf with a powerful magnetic dynamo from metallic hydrogen. The magnetic field is modeled after Jupiter’s but just three orders of magnitude more powerful. ...
37
votes
7answers
6k views

What would be the necessary conditions to rain bubbles?

What would be necessary in order for bubbles to rain down from the sky, whether they are actually soap or something else? Would it even be possible? Aside from a bunch of little kids (which would be ...
3
votes
5answers
255 views

Scientific way for rain and pebbles to slowly fall “upwards”?

I'm looking for a scientific explanation as to why smaller pebbles and rain would slowly fall upwards without the planet itself orbiting far too close to fry every living thing on the surface. A way ...
11
votes
2answers
353 views

Weather in a 5 mile deep crater

I’ve done a fair bit of research to come up with this scenario. I hope it’s not “too broad” to ask for a reality check. Have I overlooked anything? Does it all sound plausible? My world takes place ...
3
votes
3answers
205 views

How big of a fire do I need to create a hurricane?

So I know that Fire Tornadoes are a thing, however would you be able to create a hurricane using the firebending powers from the TV series Avatar the Last Airbender? For those of you who are ...
2
votes
2answers
211 views

At what altitudes would clouds form to produce rain on this world and with what general severity?

Planetary surface: | 71% Ocean (H2O) | 29% Land | Atmospheric composition: | 2% Trace gases | 58% Nitrogen | 26% Oxygen | 11% Argon | 3% Carbon dioxide | Average surface temperature: 36 ...
7
votes
6answers
777 views

A world without mountains

I'm relatively new to all this. I'm thinking of studying a little Earth sciences in the hope that it tells me but, up front, I want to know if I'm completely off. I want to know if a world with no ...
3
votes
3answers
203 views

Could a comet cool down global tempatures? [duplicate]

In warlords I wanted Terrans to have a fad of big (synthetic) fur jackets, but I didn't want too have everyone running around in winter clothing for no good reason so the solution my mind instantly ...
15
votes
6answers
3k views

Could there be strong weather on large space stations?

I'm not talking about the ISS. I'm talking about larger stations such as Bernal Spheres, O'Neil Cylinders, Stanford Tori, good old-fashioned hollowed-out asteroids, and so on. We have a sci-fi game ...
5
votes
2answers
176 views

Would the melting of ice islands affect the weather across the seas?

I've studied a little about glacial melting and temperature changes in sea currents and worldwide. I couldn't find any definitive answer and since I'm no expert on this matter I'm a bit confused. The ...
5
votes
3answers
252 views

Sea pumps to create rain using windmills to control weather?

I'd love some science advice and facts for this question: If they use wind power to bring up water from the ocean in the day time and spray it on prevailing winds going into land (i.e. 10-15 km from ...