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for the seasonal mean temperature • Medians increases with rarity, because 1-in-100 year events are by construction higher than 1-in-20 or 1-in-50 year events • Uncertainty ranges in return level also increase slightly with return period Figure 1 A comparison of summer daily maximum temperature for a London

. For a heatwave to be officially recognised, temperatures must exceed specific thresholds for three consecutive days. These thresholds vary by region: 28°C in London and the southeast, 27°C in parts of the Midlands, and 25°C across much of Wales, northern England, Scotland, and Northern Ireland. READ

, with the potential to damage aircraft engines and systems. As the London Volcanic Ash Advisory Centres (VAACs), we are responsible for monitoring and forecasting ash dispersion from volcanic eruptions originating in Iceland and the north-eastern corner of the North Atlantic. Specialist forecasters produce

Office in January 2011. Prior to this she was Content Developer at the London Science Museum, contributing to the Atmosphere exhibition focused on the complex science behind climate change and our options for adaptation and mitigation responses.  Nicola also spent time in Australia working at Monash

the south may bring some changes. Wednesday morning will see showers across parts of Scotland, some of which could be heavy and thundery. These will clear north-eastwards. Later in the day, the southeast may see showery bursts associated with the front, particularly affecting Kent, London, and East

and London, with a peak near Guildford. A corridor from Bristol through Birmingham to Manchester. Parts of Essex and Suffolk. These hotspots are partly due to population density, more people means more chances for tornadoes to be observed and reported, but they also reflect genuine meteorological

the next 48 hours across UK Domestic Airspace, to support situational awareness and planning (including staffing). A tactical (0-3 hour) trajectory-style forecast, and supplementary Meteorologist-written commentary issued ahead of and during convective weather activity within the London Terminal

for this time of year. Bonfire Night 2025 was record breaking 🎆 Temperatures overnight only dropped to 14.4℃ at Teddington in London, provisionally making it the mildest Bonfire Night on record The previous record for the night of 5th-6th November was 13.9℃ at Gordon Castle, Scotland, in 1938 pic.twitter.com

. Spectators should prepare for wet and blustery conditions, with patchy frost possible in northern areas by the end of the night. Saturday 25 October Chelsea v Sunderland (15:00, Stamford Bridge) A mostly dry and sunny afternoon is expected for central and eastern areas, including London. Coastal

of wheat would increase water insecurity. Sources: Purseglove, J. W. (1974) Tropical Crops: Dicotyledons (vols 1 & 2). London: Longman Publishing Group. Purseglove, J. W. (1975) Tropical Crops: Monocotyledons (vols 1 & 2). London: Longman Scientific & Technical. 20 Appendix D: Climate projections