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a modelau cyfrifiadurol. I greu rhagolwg, mae angen i chi wybod ble mae’r lludw nawr. Gelwir hyn yn arsylwi. Gwneir arsylwadau lludw folcanig mewn nifer o wahanol ffyrdd gan gynnwys o ddata lloeren, gan radar a chan LiDAR (Light Detection and Ranging). Mae’r Swyddfa Dywydd yn defnyddio offeryn o’r enw

affecting all parts at times throughout. The 29th was cloudy too, with light scattered showers through the day. After early patchy fog cleared central parts on the 30th, and an overnight minimum no lower than 14.0 °C at Milford Haven (Dyfed), it was generally sunny and warm, with Porthmadog (Gwynedd

. It incorporates 15 simulations of the Met Office Hadley Centre model HadGEM3 (PPE-15) and 13 other climate models selected from the CMIP5 ensemble (CMIP5-13); • UKCP Regional (12km): are a set of 12 high resolution realisations at 12km covering the 21 st Century, downscaled from the PPE-15 over

such as temperature, wind speed and direction Regularly updated text forecasts for mountain weather and UK regions available in xml or JSON formats. In July 2014 marine observation data was the latest addition to the API. 2 Hadley Centre Climate Programme funded through DECC and DEFRA. 3 http

. It incorporates 15 simulations of the Met Office Hadley Centre model HadGEM3 (PPE-15) and 13 other climate models selected from the CMIP5 ensemble (CMIP5-13); • UKCP Regional (12km): are a set of 12 high resolution realisations at 12km covering the 21 st Century, downscaled from the PPE-15 over

• EASCO to measure and characterize CMEs and CIRs Science Payload Instrument Measurement FOV SR TR Magnetic and Doppler Imager (MADI) Photosph. B, V Full disk 2” 90 min White-light Coronagraph (WCOR), HI Coronal images 2.5 – 215 Rs 1-2’ 10, 60 min Inner Coronal Imager at EUV (ICIE) Coronal images 0

to determine road temperatures and temperatures inside buildings. 15 7 Visible Satellite What is this? Visible satellite images are essentially a black and white photograph of the Earth’s atmosphere and surface. Objects that reflect most light, such as cloud, appear whiter than objects that reflect

photograph of the Earth’s atmosphere and surface. Objects that reflect most light, such as cloud, appear whiter than objects that reflect less light, such as land. Thicker clouds appear whiter than thinner clouds. The scale on the legend indicates albedo (or reflectivity) on a scale from 0 to 1

-forecast information for 2005, 2006 and 2007......................... 17 Prepared by Richard Graham, Manager Climate Products, Met Office Hadley Centre Reviewed by Mike Davey, Anca Brookshaw, Matt Huddleston and Julian Heming Scientific contributors include Bernd Becker and Joanne Camp and other Met

to find out about other products & services that we offer, please contact us: [email protected] Call our 24hr Customer Centre: 01392 885680 Visit us at: www.metoffice.gov.uk/construction 10 | Weather Services for Building and Project Managers Station-based Planning Averages (with daytime