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• volcanicash-nephanalysis-1526638705issue.pdf

  Volcanic Ash – T+0 annotated satellite image Issued 1015 UTC on Fri 18 May 2018 LOW CONFIDENCE- Areas of cloud may soon obscure forward edge of plume HIGH CONFIDENCE- Large gaps in cloud means VA is clearly visible in satellite imagery © Crown copyright Met Office

• Thundery showers in the south, before a return to warm, dry weather for all

  warm for many and muggy in the south.  Tonight, any showers or thunderstorms will ease and it will leave a largely dry night, with some clear spells. Some isolated mist and fog patches will form in places by dawn and some thicker cloud around northeast coasts.  The new week begins with a bang courtesy

• uk-nwp-asdi-datasheet.pdf

  occupied by cloud as diagnosed by the model cloud scheme. This is for the whole atmosphere column as seen from the surface or the top of the atmosphere. Fraction of horizontal grid square occupied by cloud in the high-level cloud height range; from 5,574m (~18,000ft) to 13,608m (~44,500ft). A fraction

• global-nwp-asdi-datasheet.pdf

  rainfall_rate_from_ convection_max- PT01H rainfall_rate_from_ convection_max- PT03H rainfall_rate_from_ convection_max- PT06H rainfall_ accumulation-PT01H Fraction of horizontal grid square occupied by cloud as diagnosed by the model cloud scheme. This is for the whole atmosphere column as seen from

• volcanicash-nephanalysis-1591956170issue.pdf

  EXERCISE EXERCISE EXERCISE VOLCICE Volcanic Ash T+0 annotated satellite image Issued 1000 UTC on Fri 12 Jun 2020 LOW CONFIDENCE ✂ Meteorological cloud is inhibiting view of ash in satellite imagery HIGH CONFIDENCE ✁ IMO ground-based radar detected ash cloud to height of 18km © Crown copyright Met Office

• volcanicash-nephanalysis-1539965006issue.pdf

  Volcanic Ash – T+0 annotated satellite image Issued 1550 UTC on Fri 19 Oct 2018 VOLCICE EXERCISE LOW CONFIDENCE- Meterological cloud in vicinity of Kverkfjoll partially obscuring view of ash cloud. LOW CONFIDENCE- PIREP reported VA at FL180 at 19/1530 UTC. Ash not discernible on imagery. VOLCICE EXERCISE © Crown copyright Met Office

• volcanicash-nephanalysis-1450184471issue.pdf

  Volcice Exercise – 1230 UTC annotated satellite image Issued 1230 UTC on Tue 15 Dec 2015 EXERCISE LOW CONFIDENCE- VA plume observed by C-band radar in Keflavik rising to 7km, but cloud covering the volcano LOW CONFIDENCE- Cloud to the north of the volcano is masking any ash emitted EXERCISE EXERCISE © Crown copyright Met Office

• Weekend weather: Temperatures rising into the weekend

  Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes of climate change

• Week ahead: A largely settled week

  Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes of climate change

• Supermoon set to light up UK skies tonight, but will there be clear skies?

  Centre Seasonal advice Maps & charts Maps & charts UK forecast UK weather map Cloud cover map Precipitation map Lightning map Rainfall map Temperature map Wind map Wind gust map Surface pressure charts All countries Climate Climate Climate explained What is climate change? Causes of climate change