Published the Federal Aviation Administration (FAA), with the participation of the National Weather Service, this FAA Advisory Circular (AC) 00-45H explains the U.S. aviation weather products and services available to pilots. With full-color illustrations throughout, it details the interpretation and application of advisories, coded weather reports, forecasts, observed and prognostic weather charts, and radar and satellite imagery. Readers will find full coverage of weather-related tools to assist every pilot’s flight planning and in‑flight decisions. Weather product examples and explanations are supported with hundreds of weather website references for further resources, definitions, and additional related FAA publications. Applicable to both VFR and IFR pilots, low and high-altitude operations, this new edition now includes weather resources for soaring, space, and helicopter emergency medical services (HEMS). This book is the weather services resource to use when studying for pilot certification exams and should remain a part of every aviator’s library. Subjects covered include METARs, Pilot Reports (PIREPs), Surface Analysis Charts, SIGMETs, AIRMETs, Terminal Aerodrome Forecasts (TAF), Significant Weather Charts and much more. With additional weather station location tables, symbols and conversion charts, internet links and more, this book is key for all pilots seeking an understanding of the weather resources available for preflight and inflight decision-making.