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Weather information for coastal media audiences in Tanzania Robert Powell Communications consultant January 2018 Who needs weather information? - Fishermen • Wind and waves affect safety at sea • Wind, waves and visibility affect navigation • Cloud cover and rain affect quality of fishing Who needs

is a little brighter. Variable cloud cover will dominate much of the country, with some sunny spells breaking through. However, as the day progresses, isolated showers may develop—especially in central and eastern areas. While most of these will be light, there is a low risk of heavier downpours in a few

Friday will bring a mixed picture across the UK. A broad zone of cloud will stretch from west Wales through northern England and into the far south of Scotland, with pulses of rain moving north-eastwards through the day. Some of this rain may be heavy at times, particularly in areas exposed

detail. This increased resolution can capture the effect of physical features of the earth’s surface or vital processes which happen at smaller spatial scales, like the formation of thunderstorms or clouds. In coarser-resolution models these processes are not resolved and the 'bulked-up' effects must

Volcanic Ash – T+0 annotated satellite image Issued 1500 UTC on Tue 16 June 2015 HIGH CONFIDENCE- -Bright returns on satellite imagery are meteorological cloud and NOT ASH. HIGH CONFIDENCE- -ASH detected from Kverkfjoll by radar to 8KM. LOW CONFIDENCE- - -Pilot report of ash at FL200, not seen on imagery. © Crown copyright Met Office

Volcanic Ash – T+0 annotated satellite image Issued 1100 UTC on Tue 19 Nov 2013 EXERCISE KRAFLA eruption theoretical example HIGH VA visible on imagery MEDIUM VA partly obscured by high level cloud LOW VA reported from AIRREP but little evidence on imagery © Crown copyright Met Office

successes within technology. Transformation has been a success with continued adoption of cloud technologies, involving re-training many staff across the organisation. Successes also include the migration of NSWWS, CHEMET and the public website onto Amozon Web Services (AWS), with Hazard Manager

Festival of Flight Air Show - London Crimson Darts Weather Brief Forecaster: Saturday Summary: A band of rain moves South East across the UK. London will see thickening cloud and increasing wind throughout the day before rain arrives in the early evening. Morning: Wind Weather Temperature Afternoon: Wind Weather Temperature Evening: Wind Weather Temperature

Volcanic Ash – T+0 annotated satellite image Issued 1200 UTC on Tue 12 May 2015 HIGH CONFIDENCE- -ASH detected from Katla by radar to FL490. HIGH CONFIDENCE- -Bright returns on satellite imagery are meteorological cloud and NOT ASH. HIGH CONFIDENCE- - -LIDAR detection of ash at Stornoway at FL150 at 12/1200Z. © Crown copyright Met Office

Volcanic Ash – 1530 UTC annotated satellite image Issued 1600 UTC on Friday 22 March 2019 HIGH CONFIDENCE- Clear VA signal 22/1530 UTC to FL460 in mobile LIDAR LOW CONFIDENCE- Skies covered with low-level meteorological cloud in vicinity of summit, affording poor view of discernible ash. © Crown copyright Met Office