1a : vapor condensed to fine particles of water suspended in the lower atmosphere that differs from cloud only in being near the ground. b : a fine spray or a foam for firefighting. 2 : a murky condition of the atmosphere or a substance causing it. 3a : a state of confusion or bewilderment spent the morning in a fog.

Fog is thick mist. It may appear on land or sea and it usually lowers visibility (makes it hard to see very far). When fog forms at high levels it creates a cloud called stratus. Fog is made up of tiny water droplets or, in very cold conditions, ice crystals.

(fɒg ) Word forms: plural, 3rd person singular present tense fogs , present participle fogging, past tense, past participle fogged. 1. variable noun. When there is fog, there are tiny drops of water in the air which form a thick cloud and make it difficult to see things.

The definition of a fog is a mist of water vapor that is low to the ground, a mist of another liquid, or a state of confusion or blurred vision. An example of a fog is what someone feels after a head injury.

Fog and mist differ by how far you can see through them. Fog is when you can see less than 1,000 meters away, and if you can see further than 1,000 metres, we call it mist.

Fog shows up when water vapor, or water in its gaseous form, condenses. During condensation, molecules of water vapor combine to make tiny liquid water droplets that hang in the air. Fog happens when it’s very, very humid. There has to be a lot of water vapor in the air for fog to form.

Forecasting fog can be difficult, but its proper prediction is extremely important. The proper prediction of fog can have people better prepared to avoid delays and being late for work. The best preparation is to leave early for work or school.

Fog, particularly when dense, can be hazardous to drivers, mariners and aviators. Fog contributes to numerous travel accidents every year. Restrictions in visibility resulting from fog can also impact takeoff and landing procedures and requirements for pilots, and can be the cause of weather-related aviation delays.

They are called energy. All matter is normally a solid, a liquid or a gas ins its state. Many materials are a combination of things in different states. Things like fog, smoke, cheese, Styrofoam, and paint, are actually mixtures.

Fog is a kind of cloud that touches the ground. Fog forms when the air near the ground cools enough to turn its water vapor into liquid water or ice.

Fog is made up of many very tiny water droplets or ice crystals. Not only does fog form in the morning, it also usually clears quickly in the morning too. Once the sun comes up, it heats the ground and raises the temperature. This brings the temperature away from the dewpoint and causes the fog to mix out.

When released from the Smoke Screen at high velocity, the vapour condenses in the cooler air, creating a fog made up of microscopic droplets. The droplets are suspended in the air, forming what appears to be a dense barrier. This barrier looks white because of the way light interacts with the droplets.

When the sun rises, the air and ground warm up. This leads to the air temperature being warmer than the dew point temperature, which causes the fog droplets to evaporate. What many people refer to as “burning off” is simply the process of evaporation as the air temperature rises above the dew point temperature.

When the water vapor meets the cold air found high in the sky, the gas condenses to liquid and forms cumulus clouds. While these fluffy-white clouds look like soft pillows of cotton, they are actually composed of small water droplets.

“As sunlight passes through a cloud, tiny water droplets that make up the cloud scatter all colors of the light in the same manner, producing a white color. As the cloud gets thicker, less light can pass through to the base of the cloud and it appears darker.

The symbolism of a black cloud is from weather-watching; dark clouds generally are indicators of stormy weather. Joe Btfsplk, a character in the comic strip Li’l Abner by Al Capp (1909–1979), always had a small, dark rain cloud hovering over his head to symbolize his bad luck.

Clouds are white because light from the Sun is white. But in a cloud, sunlight is scattered by much larger water droplets. These scatter all colours almost equally meaning that the sunlight continues to remain white and so making the clouds appear white against the background of the blue sky.

White is how our eyes perceive all wavelengths of sunlight mixed together. When it’s about to rain, clouds darken because the water vapor is clumping together into raindrops, leaving larger spaces between drops of water. Less light is reflected. The rain cloud appears black or gray.

Strictly speaking, noctilucent or “night shining” clouds don’t glow in the dark the way the bioluminescent algae or fireflies do. Also called polar mesospheric clouds, they float high enough in the atmosphere to capture a little bit of stray sunlight, even after the Sun has fallen below the horizon.

Red, orange and pink clouds occur almost entirely at sunrise and sunset and are the result of the scattering of sunlight by the atmosphere. The clouds do not become that color; they are reflecting long and unscattered rays of sunlight, which are predominant at those hours.

The water rises, cools, and condenses. A cloud is formed! Clouds form when warm wet air rises and condenses in cold air. The second reason that clouds can float in the air is that there is a constant flow of warm air rising to meet the cloud: the warm air pushes up on the cloud and keeps it afloat.

So, even though typical clouds do contain a lot of water, this water is spread out for miles in the form of tiny water droplets or crystals, which are so small that the effect of gravity on them is negligible. Thus, from our vantage on the ground, clouds seem to float in the sky.

Concepts: 1. Students will discover that three main ingredients are needed for clouds to form: moisture, condensation, and temperature. 2. Evaporation and condensation are part of how a cloud forms.

Individual cloud droplets are falling down, but very very slowly. And the air that carries them is moving upwards faster than they’re falling. Imagine a slinky coming down an escalator moving upwards, and you’ll get the idea.

Some clouds are high up in the sky. Low clouds form closer to Earth’s surface. In fact, low clouds can even touch the ground. Middle clouds are found between low and high clouds.

Even when it is very warm and sunny, there might not be any clouds and the sky is a clear blue. The usual reason for the absence of clouds will be the type of pressure, with the area being under the influence of a high pressure or anticyclone. Air would be sinking slowly, rather than rising and cooling.

What causes rain? Clouds are made of water droplets. Within a cloud, water droplets condense onto one another, causing the droplets to grow. When these water droplets get too heavy to stay suspended in the cloud, they fall to Earth as rain.

Heavy rainfall can lead to numerous hazards, for example: flooding, including risk to human life, damage to buildings and infrastructure, and loss of crops and livestock. landslides, which can threaten human life, disrupt transport and communications, and cause damage to buildings and infrastructure.

Rainfall is the natural process of condensation through which gaseous form of water is converted into liquid water droplets. It occurs due to cooling of saturated air mass, warm and moist air mass rising upward, warm air rising over cold air, sufficient humidity in the air and condensation.