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place during the first half of next year. 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

temperature anomalies, trade wind strength, atmospheric pressure pattern and cloudiness all consistent with this. The event has likely recently peaked and a gradual shift into neutral conditions is likely, with the latest NOAA Climate Prediction Centre / NCEP statement (PDF) stating

of a La Niña event developing. 3-Month Outlook September to November - Rainfall According to CPC, the chance of La Niña developing in the period September-November is around 66%, rising to 74% in the early winter (November-January). However, other centres (such as BoM) have predictions which are much

evening will give way to a clear and calm night. Winds will fall light, and while there is a small chance of some very localised mist or fog patches forming by dawn, these are expected to be short-lived. Minimum temperatures will dip to around 13°C, offering a comfortable night for those staying

will slowly move eastward across Northern Ireland and into parts of western Scotland, with some heavy rain expected at times. The far southwest may also see a little light rain or drizzle. Elsewhere, clear spells will dominate, but fog patches may develop in parts of the south and west. Larger areas

On Wednesday, low cloud and areas of patchy light rain or drizzle will linger across central and southern England and Wales, gradually clearing southwards as the day progresses. Northern and western Scotland will be windy and cloudy, with outbreaks of rain and drizzle becoming more persistent

occur high 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

will give way to increasing cloud cover. Some patchy light rain is possible, especially in western Scotland and Northern Ireland. Temperatures here will be notably cooler under the cloud, particularly in central and western parts. Will any temperature records be broken this week? 🌡️ Here's our

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in a number of different ways including from satellite data, by radar and by LiDAR (Light Detection and Ranging). The Met Office uses an instrument called LiDAR to measure ash clouds. LiDAR works by sending pulses of laser light through the atmosphere, which is scattered by volcanic ash particles. Some