On the Cost/Benefits of Meteorological Satellite Systems

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Monday, 3 February 2014: 4:20 PM
Room C111 (The Georgia World Congress Center )
Lars-Peter Riishojgaard, Joint Center for Satellite Data Assimilation/Earth System Science Interdisciplinary Center, College Park, MD; and J. G. Yoe

Accurate and reliable numerical weather prediction depends on a continuous supply of observational data from the entire globe. These data are supplied to the NWP users by the WMO Global Observing System, which is operated by the WMO members and partnering organizations under the overall coordination of WMO. The acquisition and timely processing and dissemination of data account for arguably the largest single expenditure of the Weather Enterprise as a whole, and the cost of the satellite data makes up a very large portion of this cost. In times of tight budgets this expenditure faces increased scrutiny and is weighed carefully against the socio-economic impact of the observations that are obtained. We will review current efforts undertaken by the WMO and CGMS to help assess the impact of the observations, both in terms of contribution to forecast skill and in terms of dollar amounts.