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- at a low temperature, especially when compared to the temperature of the human body, and not hot, or warm: a cold day / house
dictionary.cambridge.org/dictionary/english/cold
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Published: June 2, 2023 at 9:15 am. The coldest places on Earth are barely survivable for humans, but intrepid and well-insulated explorers and scientists have found ways to survive there. In most of the places listed below, ordinary thermometers won’t work.
Key points. Cold environments are found at higher latitudes and higher altitudes. They include polar, tundra and mountain, or alpine, biomes. Cold environments face challenges from development....
Antarctica is the coldest place on earth and can get as cold as -89C! Death Valley in the United States is one the hottest places on Earth with temperatures as high as 54°C. So why is the ...
- Atmosphere
- Refraction
- Air Masses
- High Pressure
- Low Pressure
- Weather Fronts
- Weather Charts
- Temperature Differences
- Wind
- Clouds
The atmosphere is a thin layer of mixed gases that cover the Earth and help it from becoming too hot or too cold. Its circulation, the heat (terrestrial radiation) and light (solar radiation) which pass through it, and the processes which go on in it, all affect the climate. The atmosphere is about 800 km (500 miles) deep and is made up of 21% oxyg...
Why is the sky blue? What causes a sunrise or sunset to be so colourful? What makes a rainbow? Answer = refraction. When light enters the atmosphere from the Sun it contains all the different colours of the rainbow, which when they are all together appear as white light. In the atmosphere, the gases in it cause the light to slow down, change direct...
Air masses are parcels of air that bring distinctive weather features to the country. An air mass is a body or 'mass' of air that have very little change temperature and humidity within them. That is to say the air making up the mass is very uniform in temperature and humidity. An air mass is separated from another body of air by a weather front. A...
In an anticyclone (also referred to as a 'high') the winds tend to be light and blow in a clockwise direction. Also the air is descending, which stops the formation of clouds. The light winds and clear skies can lead to overnight fog or frost. If an anticyclone persists over northern Europe in winter, then much of the British Isles can be affected ...
In a depression (also referred to as a 'low'), air is rising. As it rises and cools, water vapour condenses to form clouds and perhaps precipitation. Consequently, the weather in a depression is often cloudy, wet and windy (with winds blowing in an anticlockwise direction around the depression). There are usually frontal systems associated with dep...
A weather front is simply the boundary between two air masses. There are three different types of weather front
Weather can change on a daily basis especially at middle to high latitudes (parts of the earth that are quite far north or south of the Equator) where it is controlled by weather systems, depressions and anticyclones. On a weather chart, lines joining places with equal sea-level pressures are called isobars. Charts showing isobars are useful becaus...
Temperature affects other weather elements including air pressure, wind, cloud formation, humidity and precipitation. Factors affecting temperature: 1. Latitude - warmer closer to the Equator and cooler moving away towards the poles 2. Altitude - getting colder as you go higher up 3. Distance from the sea - temperatures inland are usually higher th...
The movement of air around the earth from high pressure to low pressure is what brings about winds. The direction given for the wind refers to the direction from which it comes. For example, a westerly wind is blowing from the west towards the east. Measurements of wind strength are made at 10 metres (33 feet) above the ground. A specified height h...
A classification of clouds was introduced by Luke Howard (1772-1864) who used Latin words to describe their characteristics. Cirrus - a tuft or filament (e.g. of hair) Cumulus - a heap or pile Stratus - a layer Nimbus - rain bearing Clouds form when moist air is cooled to such an extent it becomes saturated. The main mechanism for cooling air is to...
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Mar 22, 2021 · Sudden freezing cold isn’t the kind of extreme weather usually associated with climate change. But global warming is thought to be behind extreme cold snaps, especially in places that don’t usually experience them. Here’s why.
Apr 21, 2021 · A place could have a cold, rainy climate (like the United Kingdom), or a hot, sunny, dry climate (like Egypt). The UK could have hot, sunny weather for a stretch, but that wouldn’t change the fact that its climate is overall usually pretty cold and rainy.
Check if you have a cold. Cold symptoms come on gradually over 2 to 3 days. The main symptoms include: a blocked or runny nose. sneezing. a sore throat. a hoarse voice. a cough. feeling tired and unwell.
