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• Raindrops and radar

  . Radio waves emitted from a radar antenna travelled outwards at the speed of light, only bouncing back to the same antenna when they encountered an object. When the weather was clear, radar could quickly provide intelligence on the position of aircraft in the sky. When it was raining or snowing, echoes

• Aerodrome_forecast_TAF_decodepdf-1.Aerodrome_forecast_TAF_decodepdf

  = less than 50 metres visibility or CAVOK* 7 Significant weather -SHRA 'Light rain showers' See present weather table on METAR page for details; NSW = No significant weather 8 Cloud FEW005 SCT010 SCTO18CB BKN025 'Few at 500 feet, scattered at one thousand feet, scattered cumulonimbus at one thousand

• Aurora to be visible to parts of the UK tonight, but will it be clear?

  in the atmosphere, typically between 80 and 300 kilometres above the Earth’s surface. To see them, clear, dark skies are essential. Even thin cloud can obscure the subtle colours and movements of the aurora, while thick cloud makes sightings impossible. Light pollution from urban areas further reduces

• Week ahead forecast: A change ahead after Storm Amy

  Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes of climate change

• 10-day trend: Warmer weather returns as high pressure builds

  Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes of climate change

• 10-day trend: Will the cold May continue?

  Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes of climate change

• PowerPoint Presentation

  . There are some mixed signals from various modelling centres regarding the evolution of ENSO later this year. However, ENSO is most likely to remain neutral through the next three months. More information on typical impacts can be found here: https://www.metoffice.gov.uk/research/climate/seasonal-to-decadal/gpc

• PowerPoint Presentation

  . The latest NOAA Climate Prediction Centre / NCEP statement (PDF) states that: “La Niña is likely to continue through the Northern Hemisphere winter 2020-21 (~95% chance during January-March), with a potential transition during the spring 2021 (~50% chance of Neutral during April-June).” For the next

• PowerPoint Presentation

  the likelihood of La Niña developing increases. By late autumn (October-November-December period), NOAA Climate Prediction Centre gives a 50- 60 % chance of a short-lived La Niña event while the likelihood of ENSO remaining neutral is around 40 %. In contrast, output from the Australian Bureau

• PowerPoint Presentation

  that both oceanic and atmospheric indicators reveal borderline La Niña conditions still remain across the equatorial Pacific. Both NOAA and the Bureau of Metrology in Australia (BoM) state that La Niña is currently present. According to the latest forecasts from the WMO Global Producing Centres