Clouds

Water in chemistry is H2O. It can be all three states of matter. In its solid form, it is ice. In its liquid form, it is what we traditionally call water. In its gaseous form, it is water vapor (sometimes referred to as steam).

It can be all three. Water as we know it is a liquid. when it gets frozen, it turns into ice- a solid. When water heats up, it evaporates and becomes a gas- water vapour

At at atmospheric pressure andnd temperatures above 0oC (32oF) it is a liquid, below this temperature (at freezing point) its solid, at both these temperatures it can exist simultaneously with the solid or liquid as a gas. Above 100oC (212oF) and atmospheric pressure water "boils" and exists only as a gas. Interestingly at the "triple point" water can exist simultaneously as a solid liquid and a gas. This combination occurs at exactly 273.16 K (0.01 °C) and a partial vapour pressure of 611.73 pascals.

North of the polarcircle at summertime: 24hours at day sunlight North of the polarcircle on december-january: 0 hours at day of sunlight But the southern Greenland have "normal" amount of sunlight

The sky inside a rainbow appears brighter because raindrops refract and reflect sunlight, making the sky outside the bow relatively darker. This creates a contrast in brightness and color perception that makes the sky inside the rainbow seem brighter.

One Okta = One eighth of the sky covered by cloud.

The process of a gas changing into a liquid is called condensation. The process of changing a solid into a gas is called sublimation.

http://www.crystalinks.com/lenticular.html

Lenticular clouds, technically known as altocumulus standing lenticularis, are stationary lens-shaped clouds that form at high altitudes, normally aligned at right-angles to the wind direction. Where stable moist air flows over a mountain or a range of mountains, a series of large-scale standing waves may form on the downwind side. Lenticular clouds sometimes form at the crests of these waves. Under certain conditions, long strings of lenticular clouds can form, creating a formation known as a wave cloud.

Minnesota experiences an average of around 8-10 hours of daily sunlight during the summer months and around 8 hours during the winter months. This can vary based on the specific location within the state and the time of year.

A stratus cloud that forms near the ground is known as fog. Fog is essentially a stratus cloud that develops at the Earth's surface, reducing visibility due to suspended water droplets or ice crystals. It often forms when the air near the ground cools to the point where it can no longer hold its moisture content.

A funnel cloud is a condensation funnel made of water vapor, dust, dirt, and debris lifted upward from the ground in areas experiencing extremely low air pressure. It is the visible part of a tornado and is considered a tornado if it touches the ground.

A cold front is composed of cold, dense air that moves in to replace warm air. This often leads to unstable atmospheric conditions and can result in precipitation and strong winds.

Precipitation

A metal clad heating element 8 mm in diameter and emissivity ɛ = 0.95 is horizontally submerged in a water bath. The surface temperature of the metal is maintained at 250°C under steady state conditions. Estimate the power dissipation per unit length of the heater. Assume the water is exposed to atmospheric pressure and is at a uniform temperature.

Air that is rising experiences cooling because as it moves up in the atmosphere, it expands (density decreases) and its temperature cools. As the temperature decreases, the air's ability to hold water vapor decreases, meaning that at some point on its ascent, the air parcel will become saturated (it is holding the most water vapor that it possibly can). As the air rises even more, it will continue to cool (at a different rate than before, however), and as it does so, its ability to hold water vapor will continue to decrease, because saturation specific humidity-an air parcel's ability to hold water vapor-is directly related to temperature. At this point, the air parcel has more water vapor than its saturation specific humidity allows for, meaning that some of this water vapor must CONDENSE out, forming clouds. If the parcel cools even more, more condensation will happen, and eventually enough water droplets will form and coalesce, causing precipitation.

Hail is created when supercooled water drops come in contact with strong winds from thunderstorms. The water is pushed into higher altitudes where it freezes. It then falls to the ground as hail before it melts back to rain.

Fluid flows from areas of high pressure to areas of low pressure down the hydrostatic pressure gradient. This flow occurs in a continuous manner until pressure equilibrium is reached in the system.

As the warm air rises and cools, the water vapor in it condenses into tiny water droplets or ice crystals, forming clouds. This process is known as condensation and is a key mechanism in cloud formation.

Long periods of low precipitation are called "drought".

No, altostratus clouds are typically found at higher altitudes than regular stratus clouds. Altostratus clouds generally form between 2,000 to 7,000 meters above the ground, while regular stratus clouds form at lower altitudes, typically below 2,000 meters.

On foggy nights, the light from the headlight beams scatters and reflects off the water droplets in the fog, making them visible to the human eye. On clear nights, the absence of water droplets means there is nothing for the light to reflect off of, so the beams are not visible.

The coldest layer of the atmosphere is the mesosphere, which extends upwards from about 31 miles to 53 miles above the Earth's surface. Temperatures in the mesosphere can drop as low as -130 degrees Fahrenheit (-90 degrees Celsius).

Clouds and fog are both made up of tiny water droplets suspended in the air. The main difference is that clouds form higher up in the atmosphere, while fog forms close to the ground. Fog is essentially a cloud that touches the Earth's surface.

Tornadoes are commonly associated with cold fronts, where a cold air mass collides with a warm air mass. The contrast in temperature and humidity between the two air masses creates instability in the atmosphere, which can lead to the development of severe thunderstorms and tornadoes.

The main cloud that makes snow is the Cumulonimbus cloud. The bases of these clouds are low, about 2000ft from the ground. This cloud however, is very tall, the top can reach 20,000 to 60,000ft.

Cumulonimbus are not the only cloud capable of making snow, Nimbostratus and Cumulus clouds can also produce snow, all of their bases are relatively low.

Cumulonimbus clouds do not always make snow though, the main weather that they bring are thunderstorms.

The water drops that fall when the temperature is above freezing are called rain droplets. This occurs when snow or ice melts as it falls through the warmer air layers of the atmosphere, turning into liquid water droplets.

The four main types of weather fronts are cold fronts, warm fronts, occluded fronts, and stationary fronts. Cold fronts occur when a cooler air mass displaces a warmer air mass. Warm fronts form when a warm air mass advances over a colder air mass. Occluded fronts happen when a cold front overtakes a warm front. Stationary fronts occur when two air masses meet but neither advances over the other.