A report on Water and Cloud

A water molecule consists of two hydrogen atoms and one oxygen atom
The three common states of matter
Stratocumuliform cloudscape
Phase diagram of water (simplified)
Tropospheric cloud classification by altitude of occurrence: Multi-level and vertical genus-types not limited to a single altitude level include nimbostratus, cumulonimbus, and some of the larger cumulus species.
Tetrahedral structure of water
Cumulus humilis clouds in May
Model of hydrogen bonds (1) between molecules of water
Windy evening twilight enhanced by the Sun's angle, can visually mimic a tornado resulting from orographic lift
Water cycle
Nimbostratus cloud producing precipitation
Overview of photosynthesis (green) and respiration (red)
Cirrus fibratus clouds in March
Water fountain
Stratocumulus over Orange County.
An environmental science program – a student from Iowa State University sampling water
Stratocumulus cloud
Total water withdrawals for agricultural, industrial and municipal purposes per capita, measured in cubic metres (m³) per year in 2010
Cumulus humilis clouds
A young girl drinking bottled water
Cumulonimbus cloud over the Gulf of Mexico in Galveston, Texas
Water availability: the fraction of the population using improved water sources by country
High cirrus upper-left merging into cirrostratus and some cirrocumulus upper right
Roadside fresh water outlet from glacier, Nubra
A large field of cirrocumulus
Hazard symbol for non-potable water
Sunrise scene giving a shine to an altocumulus stratiformis perlucidus cloud (see also 'species and varieties')
Water is used for fighting wildfires.
Altostratus translucidus near top of photo merging into altostratus opacus near bottom
San Andrés island, Colombia
Cumulus humilis clouds over Jakarta, Indonesia
Water can be used to cook foods such as noodles
Stratocumulus stratiformis perlucidus over Galapagos, Tortuga Bay (see also 'species and varieties')
Sterile water for injection
Stratus nebulosus translucidus
Band 5 ALMA receiver is an instrument specifically designed to detect water in the universe.
Deep multi-level nimbostratus cloud covering the sky with a scattered layer of low stratus fractus pannus (see also 'species' and 'supplementary features' sections)
South polar ice cap of Mars during Martian south summer 2000
Cumulus humilis and cumulus mediocris with stratocumulus stratiformis perlucidus in the foreground (see also 'species and varieties')
An estimate of the proportion of people in developing countries with access to potable water 1970–2000
Towering vertical cumulus congestus embedded within a layer of cumulus mediocris: Higher layer of stratocumulus stratiformis perlucidus.
People come to Inda Abba Hadera spring (Inda Sillasie, Ethiopia) to wash in holy water
Progressive evolution of a single cell thunderstorm
Icosahedron as a part of Spinoza monument in Amsterdam.
Isolated cumulonimbus cloud over the Mojave Desert, releasing a heavy shower
Altocumulus lenticularis forming over mountains in Wyoming with lower layer of cumulus mediocris and higher layer of cirrus spissatus
Example of a castellanus cloud formation
Cumulus mediocris cloud, about to turn into a cumulus congestus
A layer of stratocumulus stratiformis perlucidus hiding the setting sun with a background layer of stratocumulus cumulogenitus resembling distant mountains.
Cirrus fibratus radiatus over ESO's La Silla Observatory
Water requirement per tonne of food product
Altocumulus stratiformis duplicatus at sunrise in the California Mojave Desert, USA (higher layer orange to white; lower layer grey)
Irrigation of field crops
Cumulus partly spreading into stratocumulus cumulogenitus over the port of Piraeus in Greece
Cumulonimbus mother cloud dissipating into stratocumulus cumulonimbogenitus at dusk
Cirrus fibratus intortus formed into a Kármán vortex street at evening twilight
Global cloud cover, averaged over the month of October 2009. NASA composite satellite image.
Lenticular nacreous clouds over Antarctica
Specific heat capacity of water
Noctilucent cloud over Estonia
Joshua Passing the River Jordan with the Ark of the Covenant (1800) by Benjamin West, showing Yahweh leading the Israelites through the desert in the form of a pillar of cloud, as described in
Stratocumulus stratiformis and small castellanus made orange by the sun rising
An occurrence of cloud iridescence with altocumulus volutus and cirrocumulus stratiformis
Sunset reflecting shades of pink onto grey stratocumulus stratiformis translucidus (becoming perlucidus in the background)
Stratocumulus stratiformis perlucidus before sunset. Bangalore, India.
Late-summer rainstorm in Denmark. Nearly black color of base indicates main cloud in foreground probably cumulonimbus.
Particles in the atmosphere and the sun's angle enhance colors of stratocumulus cumulogenitus at evening twilight
Total cloud cover fraction averaged over the years 1981-2010 from the CHELSA-BIOCLIM+ data set

Water or various other chemicals may compose the droplets and crystals.

- Cloud

Clouds consist of suspended droplets of water and ice, its solid state.

- Water
A water molecule consists of two hydrogen atoms and one oxygen atom

3 related topics with Alpha


Water cycle

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Time-mean precipitation and evaporation as a function of latitude as simulated by an aqua-planet version of an atmospheric GCM (GFDL's AM2.1) with a homogeneous “slab-ocean” lower boundary (saturated surface with small heat capacity), forced by annual mean insolation.
Global map of annual mean evaporation minus precipitation by latitude-longitude
Relationship between impervious surfaces and surface runoff
Diagram of the water cycle
Natural water cycle

The water cycle, also known as the hydrologic cycle or the hydrological cycle, is a biogeochemical cycle that describes the continuous movement of water on, above and below the surface of the Earth.

A huge concentration of these droplets over a large area in the atmosphere become visible as cloud, while condensation near ground level is referred to as fog.

A photograph of Earth taken by the crew of Apollo 17 in 1972. A processed version became widely known as The Blue Marble.


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Third planet from the Sun and the only astronomical object known to harbor life.

Third planet from the Sun and the only astronomical object known to harbor life.

A photograph of Earth taken by the crew of Apollo 17 in 1972. A processed version became widely known as The Blue Marble.
Planetary disk of a star, the inner ring has a radius equal to Earth and the Sun
Artist's impression of earth during the Archean eon, showing falling meteor, erupting volcano, round stromatolites, and barren landscape
Earth topological map, the area is redder if it is raised higher in real-life
Global map of heat flow from Earth's interior to the surface
Earth's major plates, which are: · ·  ·  ·  ·
Satellite picture of Upsala Glacier, showing mountains, icebergs, lakes, and clouds
Schematic of Earth's magnetosphere, with the solar wind flows from left to right
Earth's rotation imaged by Deep Space Climate Observatory, showing axis tilt
Illustration of the Earth, Earth's orbit, the Sun and the four seasons
Earth's axial tilt and its relation to the rotation axis and planes of orbit
Earth-Moon system seen from Mars
A model of Vanguard 1, the oldest human-made object in Earth orbit
Water is transported to various parts of the hydrosphere via the water cycle
Top of Earth's blue-tinted atmosphere, with the Moon at the background
Fungi are one of the kingdoms of life on Earth.
The seven continents of Earth:
Earth's land use for human agriculture
Change in average surface air temperature since the industrial revolution, plus drivers for that change. Human activity has caused increased temperatures, with natural forces adding some variability.
Earthrise, taken in 1968 by William Anders, an astronaut on board Apollo 8
Hubble Space Telescope seen in orbit from Space Shuttle Atlantis
Processes leading to movements and phase changes in Earth's water
Tracy Caldwell Dyson in the Cupola module of the International Space Station observing the Earth below

Water vapor is widely present in the atmosphere and forms clouds that cover most of the planet.

The abundance of water on Earth's surface is a unique feature that distinguishes it from other planets in the Solar System.

Size comparison of GJ 1214 b with Earth (left) and Neptune (right). The actual color of GJ 1214 b is not yet known.

Gliese 1214 b

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Exoplanet that orbits the star Gliese 1214, and was discovered in December 2009.

Exoplanet that orbits the star Gliese 1214, and was discovered in December 2009.

Size comparison of GJ 1214 b with Earth (left) and Neptune (right). The actual color of GJ 1214 b is not yet known.
Artist's impression of the planet with possible deep oceans
Artist's impression of Gliese 1214 b (foreground), illuminated by the red light of its parent star ''(center)'
This artist's impression shows how GJ 1214 b may look as it transits its parent star. It is the second super-Earth for which astronomers have determined the mass and radius, giving vital clues about its structure.

In December 2013, NASA reported that clouds may have been detected in the atmosphere of GJ 1214 b.

While no scientist has stated to believe GJ 1214 b is an ocean planet, if GJ 1214 b is assumed to be an ocean planet, i.e. the interior is assumed to be composed primarily of a water core surrounded by more water, proportions of the total mass consistent with the mass and radius are about 25% rock and 75% water, covered by a thick envelope of gases such as hydrogen and helium (c.