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• mwr_2024_02_for_print_v1.pdf

  the Pennines, Cumbrian Hills, and more widely in Scotland, with up to 15cm falling over the Shetlands on the 7th. A cold easterly airstream together with lying snow allowed temperatures to fall to -10°C or below over Sutherland. The UK got a brief respite from the wet and windy weather between the 25th

• uk-nwp-asdi-datasheet.pdf

  ) 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 depth of the snow, although wet snow can be significantly denser and powder snow much less dense. A scaling factor of 1000 is used to convert m to kg m-2 (GRIB2

• global-nwp-asdi-datasheet.pdf

  level would have if starting at the wet bulb temperature, it was brought at a saturated adiabatic lapse rate, to the standard pressure of 1000hPa) on pressure levels. Liquid water equivalent (LWE) depth of the snow lying on the surface (ground). Typically, water is 10 times as dense as snow so

• mogreps-uk-parameters-may-2019pdf

  ) Instantaneous snow depth water equivalent 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 depth of the snow although wet snow can be significantly denser and powder snow much less

• WMO485titlepage

  ), the ROC curve and the standardized area under the curve (such that perfect forecasts give an area of 1 and a curve lying along the diagonal gives 0.5) should be provided. For Level 2 information (gridded values), the standardized area under the ROC curve should be provided. 2.2 Reliability diagrams

• mo-state-of-uk-climate-2015-v3.pdf

  2002. Year 2015 is ranked 16th and for the UK overall lies directly on the smoothed trend-line (Figure 4). Nevertheless, while year 2015 might be considered near normal in comparison to the most recent decade, it would still be a notably warm year compared to the first eight decades of the series

• mo-state-of-uk-climate-2015-v3pdf

  2002. Year 2015 is ranked 16th and for the UK overall lies directly on the smoothed trend-line (Figure 4). Nevertheless, while year 2015 might be considered near normal in comparison to the most recent decade, it would still be a notably warm year compared to the first eight decades of the series

• climate-risk-report-for-sea---v6-final-april-2026pdf

  and environmental contamination in low-lying areas, especially those lacking adequate drainage and faecal waste management (3.3.4). Over 20 million urban residents are already 4 at high risk from flash floods, mainly in Viet Nam (10 million), Cambodia (4 million), and Indonesia (3 million). In densely populated

• public-weather-service-customer-supplier-agreement-2025-30-websitepdf

  each meteorological element is ‘correct’. For example, an 80% score means the forecast is right 80% of the time. Green – March 2026 36-month score shows long term improvement in the accuracy of this parameter (exceeds March 2023 score). Amber – March 2026 36-month score lies within tolerance band

• climate-risk-report-for-sea---v6-final-april-2026.pdf

  and environmental contamination in low-lying areas, especially those lacking adequate drainage and faecal waste management (3.3.4). Over 20 million urban residents are already 4 at high risk from flash floods, mainly in Viet Nam (10 million), Cambodia (4 million), and Indonesia (3 million). In densely populated