Past aviation weather reports

The U S uses the International Civil Aviation Organization (ICAO) world standard for aviation weather reporting and forecasting The World Meteorological Organization's (WMO) publication No

782 "Aerodrome Reports and Forecasts" contains the base METAR and TAF code as adopted by the WMO member countries

The science of aviation weather hit two significant milestones in 1918

First, the Weather Bureau began issuing weather bulletins and forecasts for domestic military flights and new airmail routes

Second, on December 1st that year, the Weather Bureau issued its first official weather forecast