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Heliospheric Imaging at L5 T.A. Howard & C.E. DeForest Southwest Research Institute, Boulder, CO, USA Predicting the St Valentine’s Day CME 2 White Light Imaging The Binding Agent Between Solar Observations, In-situ Measurements, and Modeling Problems With Coronagraphs Background removal Nature

Cold air either from Northern Europe, as at present, or from Canada later on, will cover the UK this week, bringing low temperatures. With the low temperatures, further snow is likely in places, the next batch as a front moves eastwards, bumping into the cold air and leading to some mostly light

The forecast for Sunday indicates that the southeast will experience a largely settled day with bright intervals, which are expected to be prolonged in the far south and southeast. Any fog or low cloud in these areas is expected to clear quickly, resulting in a fine day with light to moderate winds

England and eastern Scotland, clearing quickly to reveal a dry day for most. Sunny spells will develop widely, though there remains a chance of a few light showers in southern areas. Breezy conditions are expected in the southeast and far northwest, but temperatures will generally be close

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

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