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• Amber warnings for snow and ice this weekend as cold snap continues

  , with as much as 20-30 cm over high ground of mid and north Wales and potentially 30-40 cm over parts of the Pennines. This, accompanied by strengthening winds, may lead to drifting of lying snow.” ⚠️⚠️ Amber weather warning issued ⚠️⚠️ Snow and ice across parts of central England and Wales Saturday 1800

• HadUK-Grid

  , as well as long term averages for a set of climatological reference periods. Variables include air temperature (maximum, minimum and mean), precipitation, sunshine, mean sea level pressure, wind speed, relative humidity, vapour pressure, days of snow lying, and days of ground frost.

• ukcp_graupel_technical_notepdf

  Local projections, alongside other UKCP tools, for many applications. This document provides the guidance to help users understand how to best continue in their use of the model results. Fixing the graupel code error impacts winter temperature in some regions, due to more lying snow in the modified

• ukcp_graupel_technical_note.pdf

  Local projections, alongside other UKCP tools, for many applications. This document provides the guidance to help users understand how to best continue in their use of the model results. Fixing the graupel code error impacts winter temperature in some regions, due to more lying snow in the modified

• ukcp18_local_update_faq.pdf

  as graupel (soft small ice pellets that form in convective clouds). In turn, this affects some other variables (e.g. the amount of lying snow, which leads to colder winter temperatures, and hourly precipitation extremes) and leads to differences that are significant 1 . This error has now been fixed

• ukcp18_local_update_faqpdf

  as graupel (soft small ice pellets that form in convective clouds). In turn, this affects some other variables (e.g. the amount of lying snow, which leads to colder winter temperatures, and hourly precipitation extremes) and leads to differences that are significant 1 . This error has now been fixed

• NCIC Monthly Summary

  frost, the 12th saw freezing fog over many areas, persisting all day in a few places, a cold and mainly cloudy day with showers around some coasts, temperatures at Wallington (Northumberland) struggling to -5.9 °C, and 9 cm of snow lying at Cambridge Botanic Garden and Buntingford (Hertfordshire

• user-guide-for-enhanced-probability-forecast-feb-2020-v2pdf

  and the values are close to the issued (deterministic) forecast, then we have higher confidence in the outcome. High Confidence Lower Confidence If the top of a box (75%) quartile, lies below an operational limit then we can be reasonably confident of not exceeding the limit (providing the issued

• Impactful snow for many

  of sleet and snow is likely to develop across southern England and South Wales which could cause travel disruption into the evening. The impact of lying snow and ice on untreated surfaces may have an impact on Thursday morning travel.” ⚠️ The focus of the #snow then shifts further north on Thursday

• Luke Roberts

  academic interests lie in polar science. His master's thesis focused on the development and analysis a new code for Southern Ocean Argo data, as part of a jointly funded project between European Research Council and National Oceanography Centre.