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• Parallel Suite 43 release notes

  models there are improvements to the treatment of lying snow, sub-grid turbulence and ice cloud fraction in mixed-phase clouds. The main goal of PS43 is to introduce the new En-4DEnVar scheme to the global ensemble. En-4DEnVar provides an ensemble of initial conditions which are generated through

• factsheet_9_weather_extremes_october2025pdf

  be composed of a very large number of ice crystals (predominantly starshaped) and the flakes may then have a diameter of several inches. UK England Wales Scotland Northern Ireland Month Days of snow Days of snow Days of snow Days of snow Days of snow Falling* Lying # Falling* Lying # Falling* Lying

• station_based-downtime-summary-sample-report-1.pdf

  Lying at 0900 UTC 01 0.0 8.4 - - 02 0.0 6.6 - - 03 0.0 6.9 - - 04 0.0 9.0 - - 05 0.0 6.3 - - 06 0.0 9.2 - - 07 0.0 9.0 - - 08 tr 7.1 - - 09 tr 4.5 - - 10 0.0 4.4 - - 11 3.4 7.5 - - 12 2.8 11.1 - - 13 2.4 9.6 - - 14 1.4 8.4 - - 15 12.6 1 10.0 - - 16 tr 12.6 - - 17 0.0 8.5 - - 18 0.0 6.9 - - 19 1.4 4.6

• East Coast Floods 31 January 1953

  down the east coast causing severe flooding across many low-lying areas of East Anglia and the Thames Estuary. It was a cold day generally with temperatures well below the late January average. Significant weather event The Stranraer to Larne ferry boat ‘Princess Victoria’ foundered with the loss

• Turning colder with a possibility of snow

  the south or southwest. If this solution proves to be correct, we could see an area of warmer and moisture-laden air ‘bumping’ into the cold air further north. Along the boundary of the two air masses lies a zone across southern and central Britain where snowfall could develop fairly widely. “Snow

• Unsettled weather to come

  Warnings to be issued. This changeable theme is fairly typical for UK winters and looks set to continue beyond mid week with the jet stream lying across the UK. This will bring further spells of wet and windy weather followed by sunshine and showers and temperatures will vary with spells of cold air

• Wintry, unsettled conditions continue

  in Wales and the south, although again most of any lying snow will be over hills.” Showers in the south will often be accompanied by strong winds, while there is a risk of overnight ice across the north and west especially tonight and Tuesday nights. It could turn more generally wet again later in the week

• Microsoft Word - Feb2021_fulldocument_v1.docx

  in the afternoon. It was generally cloudy on the 7th, feeling colder as an easterly wind set in, with wintry showers near north-eastern coasts, and a broad area of snow over East Anglia and the south-east, producing up to 10cm of lying snow in some places. Widespread frost on the 8th, with wintry showers

• NCIC Monthly Summary

  (Cumbria) of only -0.1 °C and Copley (Durham) reporting 9 cm of lying snow. The 5th started cold, with frost for many inland locations, then it was sunny for many, with just the odd isolated shower in the Midlands and the south-west. The 6th began with widespread frost, severe away from western areas

• A change in the weather from this weekend - goodbye wall-to-wall sunshine

  week Low pressure is likely to lie in the vicinity of the UK into next week, bringing a mixture of showers, longer spells of rain, and some drier interludes. We are carefully monitoring the period of Tuesday to Thursday for the chance that an area of heavier rain moves up from the south