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• caa_verification-august-2025.pdf

  August 2025 late GRIB2 98.4% 98.3% 99.4% 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 ) The table below shows the percentage of complete

• caa_verification_202505-may.pdf

  2025 April 2025 May 2025 late GRIB2 100% 97.6% 100% 98.4% 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

• caa_verification-feb-2025.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

• What is 'blood rain' and will we see it this week?

  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 the Chornobyl disaster advanced

• Met Office week ahead: Wet, windy but with hints of change

  , potentially ushering in warmer air to London and the south-east, where temperatures could climb to 23 or even 25°C, depending on wind orientation. However, conditions remain much less pleasant across north-western parts of the UK. READ MORE: Hurricanes, typhoons and tornadoes: What’s the difference? The jet

• caa_verification-september-2025pdf

  : ≥ 99.2 percent of complete data. June 2025 July 2025 August 2025 September 2025 late GRIB2 98.3% 99.4% 100% 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

• 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

• Microsoft Word - 2025_01_wind_rain_snow.docx

  on 5 January 2025 as anomalies relative to the January 1991-2020 monthly average. Temperatures remained below freezing across northern Scotland on 5th, with, for example, a maximum of -2.3°C at Aviemore, Inverness-shire, but a high of 13.4°C at Benson, Oxfordshire and Heathrow, Greater London

• Specialist forecasts for a resilient future

  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 volcanic ash

• snow-and-low-temperatures---december-2009-to-january-2010---met-office.pdf

  20th the focus shi ed to northern and western parts with Northern Ireland and the Manchester area experiencing heavy snowfalls. On Monday 21st, areas west of London were badly affected, while on Tuesday 22nd and Wednesday 23rd icy conditions caused further problems. On the 23rd, rain falling