Search results (813)

VAAC LONDON QUANTITATIVE VOLCANIC ASH (QVA) API USER GUIDE First Edition — July 2025 INTERNATIONAL CIVIL AVIATION ORGANIZATION The designations and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of ICAO concerning the legal status

Impact on Industry 12 Climate science and services 14 Observations & Supercomputer 16 Executive summary About this study: This report summarises the 2024 independent economic evaluation of the Met Office undertaken by London Economics. The study provides an up to date assessment of the economic impacts

This year's London Marathon takes place on Sunday, April 27, and runners can expect to find comfortable conditions throughout the course of the day.

Park of 12.6°C. READ MORE: A record-breaking March for sunshine London Marathon weather records The London Marathon has seen a variety of weather conditions over the years, with some events seeing temperatures rising slightly over 24°C while other events have seen much colder conditions of almost -2

The Executive Team Non-Executive Directors News & media News & media Media centre Campaigns Contact the Press Office Weather & climate news Corporate news Official news blog Contact us Contact us Send us your feedback Ways to contact us How to find our offices Information for visitors Careers Settings London

College London, Holmbury St. Mary, Dorking Surrey RH5 6NT L5 Consortium Meeting, London 11th - 14th May, 2015 Plan • Operational needs and measurement requirements • Key challenges • Brief overview of the state of the art • Instruments and techniques currently under development L5 Consortium Meeting

L5 Consortium, London, May 2015 Solar Energetic Particles: Operational needs and L5 R.D. Bentley. UCL-MSSL L5 Consortium, London, May 2015 Why are we interested in energetic particles? • Effect: High energy (>10 MeV) protons alter the ionosphere and increase absorption of HF communication

Helioseismology and Thoughts About a Magnetic and Doppler Imager Instrument Jesper Schou Max Planck Institute for Solar System Research [email protected] L5 Meeting, London, May 12, 2015 Page 1 of 15 Overview • A bit of helioseismology • Requirements – Helioseismology – Instrument • Instrument