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and dry conditions across much of the UK, with sunny spells developing through the day. Inland areas may see some convective cloud build-up during the late morning and afternoon, but this is expected to be short-lived. Northern and northwestern Scotland will be cloudier, with showery rain likely

persistent across western and northwestern Scotland, particularly over windward hills and mountains. Coastal gales are likely along the west coast of Scotland, where a National Severe Weather Warning is in force. As the day progresses, this cloud and rain will gradually extend into parts of northwest Wales

Volcanic Ash – T+0 annotated satellite image Issued 1000 UTC on Fri 14 June 2019 VOLCICE EXERCISE HIGH CONFIDENCE- IMO radar confirms ongoing eruption, although plume is overlaid with upper cloud. LOW CONFIDENCE- PIREP reported VA at FL300 at 14/0930 UTC but not discernable on imagery due to cloud cover. X VOLCICE EXERCISE © Crown copyright Met Office

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

14.5 °C, with fog in some central and southern counties, the 11th was mainly dry with just patchy light rain for the north, and it brightened up across the south-east during the afternoon. The 12th was rather cloudy, but the cloud tended to thin and break from most parts away from western coastal

Volcanic Ash – T+3 annotated satellite image Issued 1230 UTC on Fri 14 June 2019 VOLCICE EXERCISE HIGH CONFIDENCE- IMO radar confirms ongoing eruption, although horizontal and vertical extend difficult to assess given cloud cover. X LOW CONFIDENCE- PIREP reported VA at FL180 at 14/1130 UTC but not discernable on imagery due to cloud cover. VOLCICE EXERCISE © Crown copyright Met Office

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WAFS 10 YEAR PLAN PHASE 1 PHASE 2 In Nov 2020: NEW 0.25° Icing, Turbulence and CB gridded data NEW Improved Icing and Turbulence algorithms NEW OPMET data in IWXXM format Retired: In-cloud turbulence gridded data In Nov 2022: All SIGWX will cover the range FL100-FL600 Some SIGWX elements included

Key to weather symbols Key to weather symbols Sunshine and showers Sunny Cloud and rain Sunshine and showers Sunny Cloud and rain Cloudy and snow Cloudy Thunder and lightning

Volcanic Ash – 1500 UTC annotated satellite image Issued 1500 UTC on Tue 22 Sep 2015 EXERCISE MEDIUM CONFIDENCE PIREP of VA at FL200, but unable to verify from satellite imagery due to cloud obscuration HIGH CONFIDENCE- VA partially visible on satellite imagery in these two areas with IMO doppler