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• Samantha_Smith_pst.pptx

  •For each individual core calculate •Diameter of area-equivalent circle •Mass Flux (total W) Then for the whole domain at each time, calculate: •Lx = mass-flux-weighted-mean diameter Core Size Distributions The size distributions for the 4 times is shown below, along with the values of Lx (dashed

• A wet summer comes to a close

  This summer has been most notable across the UK for being wetter than average. Each of the three months have exceeded their long-term average rainfall totals in many areas. Broadly speaking, June was wettest in the north and July was wettest in the south. The rainfall has not been record breaking

• barrett_paul_ppt.pdf

  vapour content is above saturation Then wv=q sat and surplus becomes liquid water content (q cl ). Now consider a region: Water vapour content Saturation qsat=f(T,p) Total water content Distance Saturation qsat=f(T,p) Some cloud Distance Total water content Grid-box mean values Saturation qsat=f(T,p

• barrett_paul_pptpdf

  vapour content is above saturation Then wv=q sat and surplus becomes liquid water content (q cl ). Now consider a region: Water vapour content Saturation qsat=f(T,p) Total water content Distance Saturation qsat=f(T,p) Some cloud Distance Total water content Grid-box mean values Saturation qsat=f(T,p

• Memo

  Definitions “Aggregated Value” The total value of a number of smaller sums, added together and treated as an individual sum; “Authorised Officer” A person with appropriate contractual or financial delegation authority to act on Met Office’s behalf; “Value for Money” The optimum combination of whole life

• How did the Met Office 2024/25 winter forecast develop and what was its impact?

  through the season. Local sensitivities of rivers and catchment areas to rainfall as well as tide times can often influencing the likelihood of flooding. A total of 108 severe weather warnings were issued during meteorological winter 2024/25. As you’d expect, the majority of warnings fall

• Why has it been so wet this winter?

  regions such as the Southwest of England, eastern Scotland and the east of Northern Ireland. These areas have seen repeated rainfall events, contributing to higher-than-average totals. Western Scotland, however, has been a noticeable exception. Typically one of the UK’s wettest regions, it has

• Deep Dive: Understanding this winter’s remarkably persistent weather pattern

  repeated bouts of heavy rain, while others, surprisingly, have been remarkably dry. Rainfall totals from 1 December to 9 February already exceed the average rainfall for the whole winter in a broad swathe of locations. Areas such as eastern Northern Ireland (especially County Down), the south

• Deep dive: Understanding an exceptional winter and the weather patterns behind it

  , especially from early January through much of February, saturating ground, topping river catchments and leaving little opportunity for recovery between events. READ MORE: What is the jet stream and how does it affect our weather? Rainfall: a season of extremes and striking contrasts Rainfall totals

• CSSP-food security.indd

  by the Met Office. Met Office and the Met Office logo are registered trademarks. © Crown copyright 2021, Met Office 01604 FOOD SECURITY PACK – Future Climate - Northeast Farming Region Future drought risk Droughts which cover less than 60% total area, are more likely to occur in small clusters. However