understand user information needs and the products and services available from urban meteorologists.

This report, based largely on the information provided at a Board on Atmospheric Sciences and Climate community workshop, describes the needs for end user communities, focusing in particular on needs that are not being met by current urban-level forecasting and monitoring. This report also describes current and emerging meteorological forecasting and monitoring capabilities that have had and will likely have the most impact on urban areas, some of which are not being utilized by the relevant end user communities (see full Statement of Task in Appendix D).

The Committee concludes that users of urban meteorological information need high-quality information available in a wide variety of formats that foster its use, within time constraints set by users’ decision processes. By advancing the science and technology related to urban meteorology with input from key end user communities, urban meteorologists can better meet the needs of diverse end users. To continue the advancement within the field of urban meteorology, there are both short-term needs, which might be addressed with small investments but promise large, quick returns, as well as future challenges that could require significant efforts and investments (Boxes S.1 and S.2).

END USER NEEDS

End users of urban meteorology information have demonstrated important needs for urban meteorological observations and analyses. They use urban meteorological information either directly or indirectly for planning and decision-making. For example, national security officials may utilize urban dispersion models to plan for an accidental or terrorist release of

BOX S.1

Short-Term Needs

1. Maximum access to observational data in different categories from diverse sources

2. Regularly updated metadata of the urban observations using standardized urban protocols

3. Continued and expanded international urban model intercomparisons over urban areas

4. Development and application of best practices to strengthen the dialog between meteorologists and end user communities



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