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It will probably stay changeable for the rest of the period with a mixture of some sunny days, and cloudier days with more persistent rainfall. It is likely to be windy at times, with the potential for gales, particularly in the west and southwest. Temperatures will vary around normal, but in any drier spells, they may be warmer than average. Confidence in the forecast remains low through this period. However, early October may bring spells of fine and settled weather, particularly in the south and east of the UK.

These would bring bright days, but with the increasing risk of overnight mist, fog and some frost. Northern and western parts of the country may continue to see rain at times, and this might spread across the rest of the country as we go through October. Temperatures are likely to be close to the average, but with settled weather, some warmer days and cooler nights are likely. To view a specific weather location, enter a name this could be a village, town or city into the search box and select the appropriate location from the list provided. You can also search for world forecast locations.

For web browsers that have geolocation capabilities, you can also use the 'find my location' button to automatically find your location. Find out more in the UK forecast guide. JavaScript is not enabled on this browser For the best viewing experience of this website, JavaScript should be enabled.

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A star's corona is constantly being lost to space, creating what is essentially a very thin atmosphere throughout the Solar System. The movement of mass ejected from the Sun is known as the solar wind. On Earth , the common weather phenomena include wind, cloud , rain, snow, fog and dust storms. Less common events include natural disasters such as tornadoes , hurricanes , typhoons and ice storms.

Almost all familiar weather phenomena occur in the troposphere the lower part of the atmosphere. Weather occurs primarily due to air pressure, temperature and moisture differences between one place to another. These differences can occur due to the sun angle at any particular spot, which varies by latitude from the tropics. In other words, the farther from the tropics one lies, the lower the sun angle is, which causes those locations to be cooler due the spread of the sunlight over a greater surface.

In June the Northern Hemisphere is tilted towards the sun , so at any given Northern Hemisphere latitude sunlight falls more directly on that spot than in December see Effect of sun angle on climate. Over thousands to hundreds of thousands of years, changes in Earth's orbital parameters affect the amount and distribution of solar energy received by the Earth and influence long-term climate. See Milankovitch cycles. The uneven solar heating the formation of zones of temperature and moisture gradients, or frontogenesis can also be due to the weather itself in the form of cloudiness and precipitation.

This phenomenon is known as an inversion and can cause mountaintops to be warmer than the valleys below. Inversions can lead to the formation of fog and often act as a cap that suppresses thunderstorm development. On local scales, temperature differences can occur because different surfaces such as oceans, forests, ice sheets, or man-made objects have differing physical characteristics such as reflectivity , roughness, or moisture content.

A hot surface warms the air above it causing it to expand and lower the density and the resulting surface air pressure. Large scale examples include the Hadley cell while a smaller scale example would be coastal breezes.

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The atmosphere is a chaotic system. As a result, small changes to one part of the system can accumulate and magnify to cause large effects on the system as a whole. However, it is theoretically impossible to make useful day-to-day predictions more than about two weeks ahead, imposing an upper limit to potential for improved prediction skill.

Weather is one of the fundamental processes that shape the Earth. The process of weathering breaks down the rocks and soils into smaller fragments and then into their constituent substances. This causes the rainwater to be slightly acidic, which aids the erosive properties of water. The sediment may reform in time and by geological forces into other rocks and soils.

In this way, weather plays a major role in erosion of the surface.


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Weather, seen from an anthropological perspective, is something all humans in the world constantly experience through their senses, at least while being outside. There are socially and scientifically constructed understandings of what weather is, what makes it change, the effect it has on humans in different situations, etc.

Weather has played a large and sometimes direct part in human history. Aside from climatic changes that have caused the gradual drift of populations for example the desertification of the Middle East, and the formation of land bridges during glacial periods , extreme weather events have caused smaller scale population movements and intruded directly in historical events. One such event is the saving of Japan from invasion by the Mongol fleet of Kublai Khan by the Kamikaze winds in The Little Ice Age caused crop failures and famines in Europe.

The s saw the worst famine in France since the Middle Ages. Finland suffered a severe famine in —, during which about one-third of the Finnish population died. Human beings have attempted to predict the weather informally for millennia, and formally since at least the nineteenth century. Once an all-human endeavor based mainly upon changes in barometric pressure , current weather conditions, and sky condition, [29] [30] forecast models are now used to determine future conditions.

On the other hand, human input is still required to pick the best possible forecast model to base the forecast upon, which involve many disciplines such as pattern recognition skills, teleconnections , knowledge of model performance, and knowledge of model biases. The chaotic nature of the atmosphere, the massive computational power required to solve the equations that describe the atmosphere, error involved in measuring the initial conditions, and an incomplete understanding of atmospheric processes mean that forecasts become less accurate as the difference in current time and the time for which the forecast is being made the range of the forecast increases.

The use of ensembles and model consensus helps to narrow the error and pick the most likely outcome. There are a variety of end users to weather forecasts. Weather warnings are important forecasts because they are used to protect life and property. Temperature forecasts are used by utility companies to estimate demand over coming days. In some areas, people use weather forecasts to determine what to wear on a given day. Since outdoor activities are severely curtailed by heavy rain , snow and the wind chill , forecasts can be used to plan activities around these events, and to plan ahead to survive through them.

The aspiration to control the weather is evident throughout human history: from ancient rituals intended to bring rain for crops to the U. Military Operation Popeye , an attempt to disrupt supply lines by lengthening the North Vietnamese monsoon. The most successful attempts at influencing weather involve cloud seeding ; they include the fog - and low stratus dispersion techniques employed by major airports, techniques used to increase winter precipitation over mountains, and techniques to suppress hail.

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China shot 1, rain dispersal rockets from 21 sites in the city of Beijing in an effort to keep rain away from the opening ceremony of the games on 8 August Whereas there is inconclusive evidence for these techniques' efficacy, there is extensive evidence that human activity such as agriculture and industry results in inadvertent weather modification: [43]. The effects of inadvertent weather modification may pose serious threats to many aspects of civilization, including ecosystems , natural resources , food and fiber production, economic development , and human health.

These two branches of meteorology are sometimes grouped together as "mesoscale and microscale meteorology" MMM and together study all phenomena smaller than synoptic scale ; that is they study features generally too small to be depicted on a weather map. These include small and generally fleeting cloud "puffs" and other small cloud features. The range of climates and latitudes across the planet can offer extremes of temperature outside this range. The hottest air temperature ever recorded was The highest recorded average annual temperature was Studying how the weather works on other planets has been seen as helpful in understanding how it works on Earth.

The Cassini—Huygens mission to Titan discovered clouds formed from methane or ethane which deposit rain composed of liquid methane and other organic compounds.

One of the most famous landmarks in the Solar System , Jupiter 's Great Red Spot , is an anticyclonic storm known to have existed for at least years. Weather is not limited to planetary bodies.

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Like all stars, the Sun's corona is constantly being lost to space, creating what is essentially a very thin atmosphere throughout the Solar System. Inconsistencies in this wind and larger events on the surface of the star, such as coronal mass ejections , form a system that has features analogous to conventional weather systems such as pressure and wind and is generally known as space weather. Coronal mass ejections have been tracked as far out in the Solar System as Saturn. The interaction of the solar wind with the terrestrial atmosphere can produce spectacular aurorae , [64] and can play havoc with electrically sensitive systems such as electricity grids and radio signals.

From Wikipedia, the free encyclopedia. Short-term state of the atmosphere.

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This article is about the atmospheric process. For the geological process, see Weathering. For other uses, see Weather disambiguation and Weather systems disambiguation.