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• Met Office 10-Day Trend: High pressure dominating, but for how long?

  minutes less daylight in parts of Scotland. As the nights draw in, clear skies will mean temperatures dip away more sharply. The weekend: Settled, but with local variation Looking ahead to the coming weekend, high pressure will once again be the dominant feature, shifting eastward and maintaining dry

• Deep dive: Understanding an exceptional winter and the weather patterns behind it

  and wind direction can create sharp rainfall gradients. For instance, Aberdeen recorded around 120mm of rain in the first nine days of February, while Aviemore, protected by mountains, saw only about 2mm during the same period. These contrasts illustrate the profound effect of flow direction on local

• factsheet_10-air-masses-and-weather-fronts_2023.pdf

  sharply defined. This transition zone or boundary is called a front. An air mass may cover several millions of square kilometres and extend vertically throughout the troposphere. Sources of an air mass The temperature of an air mass will depend largely on its point of origin and its subsequent

• Factsheet_2_Thunderstorms_2026pdf

  ) and a sharp or rumbling sound (thunder). Thunderstorms are associated with deep convective clouds, called cumulonimbus and are most often, but not necessarily, accompanied by precipitation at the ground. This factsheet describes how cumulonimbus clouds form, how they produce lightning, how it can

• factsheet_10-air-masses-and-weather-fronts_2023pdf

  sharply defined. This transition zone or boundary is called a front. An air mass may cover several millions of square kilometres and extend vertically throughout the troposphere. Sources of an air mass The temperature of an air mass will depend largely on its point of origin and its subsequent

• Met Office deep dive: A gusty Bonfire Night and a typhoon heading towards Vietnam

  cooler than it has been. As a result, temperatures are likely to return to average levels for November, rather than dropping sharply. READ MORE: How is temperature measured? Model ensembles suggest a gradual decline in temperatures, with the most noticeable cooling in the east. Further west

• Deep Dive: Spring sunshine and global outlooks

  of high pressure, a so‑called heat dome, to build over the southwest. This is pushing daytime temperatures across California and Arizona toward and beyond 40°C. This follows a week of sharp contrasts, with heavy snow blanketing parts of northern Michigan only days earlier. Now, the focus shifts

• arrcc-wp3_summary_ar6_sea-level_projections_final.pdf

  a ‘step’ in the timeseries. This may present confusion for stakeholders looking to use projections beyond 2100 to make decisions, giving the false impression of a period where sea-level could decrease sharply before rising again. • The different treatment of vertical land motion and landwater storage

• Met Office Deep Dive: Why September turned soggy and what happens next

  , strong Atlantic jet and a conveyor of lows towards the UK. A deepening Pacific low then forced an extra ripple, steering the jet sharply south there, then north over Canada, and downstream into a squeezed Atlantic trough. That “squeeze” helped a cut‑off upper low to peel away, while a ridge

• Arctic and Antarctic end-of-season report - October 2025

  2011 followed by a sharp rise to 2014, and then two precipitous falls in 2016 and 2023. The trend in Antarctic sea ice extent across all seasons since 2007 is very significantly negative at -1.12 million sq km per decade.  Warm water upwelling to the surface of the Southern Ocean has been suggested