 The current lack of a global soil moisture observation network means that the Met Office Global Soil Moisture Analysis Scheme relies on observations of screen temperature and humidity. However, several new space-borne remote sensing systems have been developed which provide a more direct retrieval of surface soil moisture. The Advanced Scaterometer, ASCET, on board the meteorological operational satellite, METOP, provides measurements of surface soil wetness, which can be converted to volumetric surface soil moisture. This paper describes a method for converting these measurements into volumetric surface soil moisture, as well as a nudging scheme for assimilating this data into the Met Office Global Soil Moisture Analysis Scheme. Trials using the Met Office Global Unified Model showed improved forecasts of screen temperature and humidity for the tropics, North America and Australia when the ASCET nudging scheme was added. Additionally, comparisons with Institute soil moisture measurements from the United States indicated that assimilation of ASCET surface soil wetness measurements improved the soil moisture analysis. This article was authored by Darcy, K. J. Bovis, B. McPherson, and others. We are article.tv, links in the description below.