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• caa_verification_february-2026pdf

  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 4 months. Performance measure: ≥ 99.2 percent of complete data. November 2025 December 2025 January 2026

• Met Office Deep Dive: Record heat, flying ants, and a changeable outlook

  it. Swarms of flying ants were picked up on radar, appearing as strange, flashing echoes particularly northwest of London. These were initially mistaken for showers, but closer inspection revealed their true identity. Radar works by emitting electromagnetic beams that reflect off small particles like

• How the Met Office provides weather and climate data services

  .   More by Met Office How the refreshed Met Office 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

• CAA_verification_2026_Marchpdf

  . ( * combined WAFC London & Washington hazard data ) The table below shows the percentage of complete datasets available on SADIS by 05:00 over the last 4 months. Performance measure: ≥ 99.2 percent of complete data. December 2025 January 2026 February 2026 March 2026 late GRIB2 100.0% 100.0% 100.0

• Why has it been so wet this winter?

  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 knowledge Deep Dive: High-pressure, dry

• Storm Dave in context: How the storm unfolded

  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 knowledge Deep Dive: High-pressure, dry air and meteor showers How the Chornobyl disaster advanced dispersion

• SPF City Pack_editable_template

  (9.5 to 9.9 °C) compared to cooler inland areas (8.0 °C and 9.4°C). July and August are the warmest months in the region with mean daily maxima reaching up to 19 °C in southern Dumfries and Galloway and the Clyde valley. These may be compared with 23.5 °C in the London area. Instances of extreme high

• A year of cloud-powered weather forecasting: how the UK’s national capability is evolving 

  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 knowledge Deep Dive: High-pressure, dry air and meteor showers How

• Met Office Deep Dive: Recent heatwaves and a changing climate

  for a heatwave, which is 28°C in London and lower elsewhere. Several station records in Scotland and Northern Ireland were broken, with some dating back more than 50 years. The highest temperature recorded during the heatwave was 35.8°C in Faversham on 1 July. Interestingly, Cairngorm Summit, at 4,000 feet

• CAA_verification_2026_Aprilpdf

  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 4 months. Performance measure: ≥ 99.2 percent of complete data. January 2026 February 2026 March 2026 April 2026 late GRIB2 100.0% 100.0