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and sunny, with light to moderate easterly winds and high UV levels. Maximum temperatures will reach 17°C and 18°C respectively, but clear skies overnight will cause temperatures to plummet, potentially as low as -1°C, raising the risk of frost. Participants camping out will need to be well-prepared

and carrots for example and newly planted lettuces and other plants but should not greatly delay sowing and planting once conditions improve. Tender plants, petunias and tomatoes for example, won’t be put outside for another month at least but lower light affects greenhouses and will slow

................................12 Climate change We’re causing it, so let’s tackle it...14 00.13 GMT: Just past midnight and local authority duty-officer Karen Johnson is roused from sleep by an important text. It’s the Flood Forecasting Centre in London confirming extreme rainfall in just two hours

extent lower than every year before 2007. Each year, scientific centres around the world submit predictions of September Arctic sea ice extent to the Sea Ice Outlook (SIO), a series of reports published in June, July and August by the Sea Ice Prediction Network (SIPN). The second report of the summer

totals are based on the average value across each county. Lead author and Met Office climate scientist, Mike Kendon, said: “Our new analysis of these observations really shines a light on the fastest changing aspects of our weather as a consequence of climate change. Long term averages can be difficult

on the ground, mounted on an aircraft or satellite-based, and can be used to observe the location and vertical profile of aerosols such as volcanic ash. A lidar measures backscattered light from atmospheric targets e.g. aerosols including volcanic ash and Saharan dust, water droplets and ice crystals, using

and ‘thunder snow’. Light snow in areas of southern England Further south parts of Kent and south east England woke to snowfall this morning. This snow spread northwards giving a dusting of snow over the Wealds and Downs of southeast England. Current conditions Friday will continue unsettled

. Longer day light hours, stronger late-March sunshine and a lack of existing snow cover mean the impacts of this snowy spell will be less than the late February/early March spell. Looking ahead the weather will remain cold for Monday, but the risk of snow diminishes. As we head further into the week we

sunshine and a few blustery showers in Northern Ireland, Wales and south-west England. The Northern Isles are expected to remain largely dry until the evening. Winds will be light at first but will become moderate to fresh, and locally strong along western coasts, with a risk of gales. Temperatures

at times. Winds will be fresh to strong in the north and northwest early on, easing through the morning. Elsewhere, winds will remain light to moderate. Into the night, strong winds will return to the northwest, with a risk of coastal gales. Temperatures will be around or slightly above average