Six Decades of Satellite Meteorology

Full title: Six Decades of Satellite Meteorology - From Cloud Picture Interpretation to Hyperspectral Infrared and Microwave Sounding

Presented by the Space Technology and Industry Institute at Swinburne.

In this seminar, hear Professor John Le Marshall look back on the history of satellite meteorology, dating back to the first weather satellites, launched in the 1960s, which provided imagery that enabled detailed synoptic analysis over the data sparse areas of the globe, in particular over the southern oceans. Early images, via subjective cloud picture interpretation, provided the ability to position and analyse synoptic systems away from the conventional data network.

Subsequently use of satellite data has transformed meteorology, particularly over the data sparse southern hemisphere where it has been shown that a five-day forecast with satellite data is of the same quality as a one-day forecast without satellite data. A brief description of the development of satellite meteorology and the impact of new satellite-based observing methods will be provided.

Professor John Le Marshall will also discuss the future, and Australia’s unique placement to make a contribution to the current Earth Observing System. The biggest hitters in terms of impact on global forecasts are observations taken by infrared and microwave sounders. The impact from the new hyperspectral infrared sounders has significantly improved numerical weather prediction globally. A significant improvement is also expected to result from the introduction of hyperspectral microwave sounders into the global observing system.