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rain or snow. Once the air passes over the peak and descends the leeward side, it warms rapidly and dries out, creating the foehn effect. Foehn winds, also spelled “Föhn”, are common in mountainous regions around the world. They are known by different names depending on the location: the Chinook

across North America caused by a pool of cold air over Canada and the United States sinking south. Storm Isha brought widespread strong winds, particularly across the northern half of the UK, on 21 to 22 January 2024, where winds gusted at 60 to 70Kt (69 to 81mph), including a gust of 86Kt (99mph

. Weather data The analysis chart at 0600UTC 2 November 2023 shows storm Ciarán, with the low pressure centre over the Isle of Wight and tightly packed isobars indicating the strength of the winds along the South Coast, through the English Channel and across northern France. For comparison, the second

over the Siberian seas in late June and early July. During the second half of the month ice loss was comparatively slow at 66,000 sq km per day. Unusually for recent summer months, July 2021 was not notably warm over the Arctic Ocean, with most regions experiencing near-average temperatures (Figure

, condensing and forming fog. It is often the result of a temperature inversion, with warmer air passing above the valley. Valley fog is confined by local topography and can last for several days in calm winter conditions. Advection fog: Advection fog occurs when moist, warm air passes over a colder

of the southern Pennines and northern Peak District where we could see up to 120mm over the course of the warning period with 40-70mm of rain widely across the whole Amber area. Upcoming forecast “Heavy rain will impact the whole of England and Wales by Wednesday with Yellow warnings for rain in force

The UK’s weather is turning more changeable over the weekend, with an Atlantic influence bringing periods of rain for some, as well as drier and brighter interludes at times.

Recent heatwave conditions for much of England and Wales are gradually subsiding and being replaced by a cooler airmass which introduces some persistent rain in places over the weekend and into next week. It's turning fresher over the next few days 🌡️ Whilst we're losing the recent heat

to moderate winds. Showers will be most frequent in the west and northwest, where they could be heavy, bringing a risk of isolated thunderstorms and hail. Precipitation may be wintry over the highest ground, over 600 metres. Many eastern and southeastern areas are likely to stay dry and rather warm

The New Dynamics dynamical core is based on the fully compressible, nonhydrostatic Euler equations which enables it to be used over a wide range of scales - from very high resolution convection permitting scales (of order 1 km) to hundreds of kilometres in climate models run for centuries. Note

and all available archived forecast data, available in hourly, three-hourly and daily timesteps. Global Spot offers site-specific forecasts for over 5,000 locations worldwide (not including UK sites), including airports, major landmarks, and beaches. Global Spot provides forecasts for specific locations