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of the red warning in Scotland which allowed proactive advice and messaging to be disseminated by various Agencies. MH summarised some of the key learning points from this winter period which Met Office will be considering. These included how best to convey any ongoing impacts from lying snow after

) on height above ground levels. Exchange of heat between the surface and the air by motion of air, also called turbulent heat flux. Liquid water equivalent (lwe) depth of the snow lying on the surface (ground). Typically water is 10 times as dense as snow, so multiplying by 10 gives an approximate

to produce gridded (1km grid) and regional average products that capture how the climate of the UK has varied and changed. Includes information on temperature, rainfall, sunshine, relative humidity, mean sea level pressure, vapour pressure, wind speed, days of ground frost and days of snow lying. Used

surface chart of the British Isles shows a deep area of low pressure in the western English Channel with its associated occluded frontal system wrapped around it. Also depicted on this chart is a warm front across the western part of Scotland and into Northern Ireland and a trailing cold front lying

, over the east from early on, spreading to all parts by afternoon, Aviemore (Inverness-shire) reporting 5 cm of snow lying at 0900 and Braemar (Aberdeenshire) recording a maximum temperature of only 3.3 °C. Northern Ireland diary of highlights After a mostly fine but at times cold start

, sleet and snow in the south-east clearing by the afternoon, wintry showers over eastern coasts spread into central and western parts through the day, with 10 cm of lying snow being recorded at Redesdale Camp (Northumberland). Further frost led into another cold day on the 2nd, Holne Priddon’s Farm

climate change impact studies and previous assessments (Chenoweth et al. 2011, Le lie veld et al. 2012, Zittis et al. 2014). We also in - cluded results from three 30 yr PRECIS simulations driven by a slightly different global model HadCM3 version, i.e. 1 baseline simulation for 1961−1990 and 2

✓ ✓ ✓ ✓ hourly ✓ + Radiation, total downward short wave flux (rsds) Radiation, net long wave (rls) Radiation, net short wave (rss) Relative humidity (hurs) Wm -2 ✓ Wm -2 ✓ ✓ ✓ ✓ Wm -2 ✓ ✓ ✓ ✓ % ✓ ✓ ✓ ✓ Sea level pressure (psl) hPa ✓ ✓ ✓ ✓ Sea water level m ✓ Snow: snowfall amount mm ✓ ✓ (prsn) Snow: lying snow

where different obligations lie with respect to Met Office cyber security on the AWS cloud. Action: PAG asked to see the audit committee’s report on cyber security and any statistics the Met Office has relating to cyber attacks. Key challenges for the technology directorate have include

lying at Tulloch Bridge (Inverness-shire). Northern areas started frosty on the 13th, then the north-east was bright for a time, but showers, already widespread across the west and south, became widespread in all places by the afternoon. Showers persisted across the far north on the 14th, with rain over