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operational admin messages NOUK10 EGRR 091650 533 ATTENTION ALL SADIS USERS INCIDENT NUMBER: N/A SERVICES AFFECTED: SADIS FTP DATASTREAMS AFFECTED: OPMET PNG/BUFR DETAILS: VAAC LONDON VOLCANIC ASH FORECAST EXERCISE ON TUESDAY 10 JUNE 2025. VOLCANIC ASH ADVISORY (VAA), VOLCANIC ASH GRAPHIC (VAG

operational admin messages NOUK10 EGRR 071523 321 ATTENTION ALL SADIS USERS INCIDENT NUMBER: N/A SERVICES AFFECTED: SADIS FTP DATASTREAMS AFFECTED: OPMET PNG/BUFR DETAILS: VAAC LONDON VOLCANIC ASH FORECAST EXERCISE (VOLCICE) ON TUESDAY 8 JULY 2025. VOLCANIC ASH ADVISORY (VAA), VOLCANIC ASH GRAPHIC (VAG

operational admin messages NOUK10 EGRR 021630 191 ATTENTION ALL SADIS USERS INCIDENT NUMBER: N/A SERVICES AFFECTED: SADIS FTP DATASTREAMS AFFECTED: OPMET PNG/BUFR DETAILS: VAAC LONDON AND VAAC TOULOUSE VOLCANIC ASH BACKUP EXERCISE ON THURSDAY 3 JULY 2025. VOLCANIC ASH ADVISORIES AND GRAPHICS

as the London area. Winds were light to moderate across eastern England but a fresh to strong northerly wind affected many western areas of the United Kingdom. It was a cold day for the beginning of June everywhere with temperatures well below the seasonable average. Significant weather event Sleet

close or slightly below average. Significant weather event Dense fog affected parts of southern England, most notably across parts of northwest London during the morning rush hour. The fog was probably a major contributing factor to the train crash at Harrow and Wealdstone station in north London

operational admin messages NOUK10 EGRR 121215 214 ATTENTION ALL SADIS USERS INCIDENT NUMBER: N/A SERVICES AFFECTED: SADIS FTP DATASTREAMS AFFECTED: OPMET PNG/BUFR DETAILS: VOLCANIC ASH FORECAST EXERCISE, FRIDAY 13 MARCH 2023 BETWEEN APPROXIMATELY 1430UTC AND 1730UTC TOMORROW, FRIDAY 13 MARCH 2023, VAAC LONDON

operational admin messages NOUK10 EGRR 191600 533 ATTENTION ALL SADIS USERS INCIDENT NUMBER: CHG0075185 SERVICE(S) AFFECTED: SADIS FTP DATASTREAM AFFECTED: PNG/BUFR DETAILS OF INCIDENT: WAFC SIGWX BACKUP TEST, WEDNESDAY 21 JULY 2021 THIS TEST WILL INVOLVE WAFC LONDON PRODUCING AND ISSUING ALL

LONDON WILL BE TAKING PART IN A VOLCANIC ASH EXERCISE. VOLCANIC ASH ADVISORY (VAA), VOLCANIC ASH GRAPHIC (VAG) AND VOLCANIC ASH CONCENTRATION FORECAST INFORMATION, WILL BE ISSUED. THESE PRODUCTS WILL ALL BE CLEARLY IDENTIFIED AS TEST OR EXERCISE MESSAGES. NO ACTION SHOULD BE TAKEN. PLEASE ALSO

School of Earth and Environment, University of Leeds, Leeds, UK 3 Information and Computational Sciences, The James Hutton Institute, Craigiebuckler, Aberdeen, Scotland, UK; 4 Plant Sciences, Rothamsted Research, Harpenden, UK; 5 Committee on Climate Change, 7 Holbein Place, London, UK. Summary We

Met Office – General Review Economic Analysis – Final Report April 2015 About London Economics London Economics is one of Europe's leading specialist economics and policy consultancies and has its head office in London. We also have offices in Brussels, Dublin, Cardiff and Budapest, and associated