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• When do we usually hit 20? A look back at the UK's earliest warm spells

  app is taking shape Week ahead: High pressure remains in charge, but with some changes Weekend weather: settled, dry and warm for many London Marathon forecast: a cool start with sunny spells 10-day trend: largely settled into the weekend Pollen forecast: High levels across much of the UK Weekly

• caa_verification_report_june2025pdf

  late GRIB2 97.6% 100% 98.4% 98.3% GRIB2 CB/Icing/Turbulence Objective: Ensuring flight planning systems have timely and reliable forecasts of ’blended * ’ en-route aviation hazard data. ( * combined WAFC London & Washington hazard data ) The table below shows the percentage of complete datasets

• When was the last time the UK reached 30°C in May?

  conditions align. The highest temperatures recorded in May is 32.8°C, with several notable occurrences. These include readings at Camden Square and Greenwich in Greater London during May 1922, as well as across parts of southeast England including Tunbridge Wells and Horsham during late May 1944

• Powering smarter flights with AVTECH

  , they are the foundation of the next generation of AVTECH performance. Every improvement in forecast accuracy becomes a measurable improvement in fuel saved, cost avoided, and emissions reduced on every flight, for every airline that chooses to optimise. More by Press Office London Climate Action Week 2026

• Microsoft Word - 2023_05_september_heatwave.docx

  drawing a hot Tropical Continental Airmass; this type of pressure pattern being typical of heatwave conditions across the UK. Temperatures on the 9th reached 31 to 32°C fairly widely across south-east England, and 33°C in London. As often happens in the UK, the heat and humidity lead to some intense

• 1.5degrees_webinar_summary.pdf

  from University College London, the University of Leeds and the UK’s Department for Business, Energy and Industrial Strategy (BEIS). Key webinar talking points Are we on track to keep warming below 1.5°C? Every major report published this year from the Intergovernmental Panel on Climate Change (IPCC

• Tornadoes in the UK: How do they differ from those in the US?

  on wind speed. Tornado hotspots in the UK The UK has its own versions of “Tornado Alley.” The research from Manchester University has also identified three main regions where tornadoes are most likely to occur: South-central England, particularly the area between Reading and London, with a peak near

• How the Chornobyl disaster advanced dispersion science

  ahead: High pressure remains in charge, but with some changes Weekend weather: settled, dry and warm for many London Marathon forecast: a cool start with sunny spells 10-day trend: largely settled into the weekend Pollen forecast: High levels across much of the UK Weekly weather quiz: Test your

• caa_verification-feb-2026.pdf

  GRIB2 CB/Icing/Turbulence Objective: Ensuring flight planning systems have timely and reliable forecasts of ’blended * ’ en-route aviation hazard data. ( * combined WAFC London & Washington hazard data ) The table below shows the percentage of complete datasets available on SADIS by 05:00 over the last

• May Bank Holiday weather extremes

  records The warmest May Bank Holiday weekend temperature recorded in the UK is 28.7°C, reached at Northolt in Greater London in 2018. That same weekend also produced Scotland’s highest weekend temperature of 25°C at Floors Castle in Roxburghshire. Wales has seen weekend temperatures climb to 26.5°C