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• caa_verification_202503.pdf

  January 2025 February 2025 March 2025 late GRIB2 99.2 100 100 97.6 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

• 10‑day trend: spring warmth holds on before changeable conditions return

  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 science

• caa_verification-december-2025.pdf

  -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. September 2025 October 2025 November 2025 December 2025

• How the Chornobyl disaster advanced dispersion science

  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 weather quiz: Test

• caa_verification_202504pdf

  of complete data. January 2025 February 2025 March 2025 April 2025 late GRIB2 100 100 97.6 100 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

• 10‑day trend: little sign of major change as the unsettled pattern continues

  store and for Android from the Google Play store.  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

• Temperature extremes and records most affected by UK’s changing climate

  in the 1961-1990 averaging period only London and Hampshire recorded six or more days over 28°C, by the latest decade (2014-2023) this has spread across much of England and Wales, with frequencies in the south east increasing to over 12 days each year in many counties. The expansion of the area

• 10-day trend: Another change on the horizon as we enter meteorological spring

  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 forecast: High levels

• caa_verification-october-2025.pdf

  : ≥ 99.2 percent of complete data. July 2025 August 2025 September 2025 October 2025 late GRIB2 99.4% 100% 100% 99.2% GRIB2 CB/Icing/Turbulence Objective: Ensuring flight planning systems have timely and reliable forecasts of ’blended * ’ en-route aviation hazard data. ( * combined WAFC London

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

  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 forecast: High levels across much