Regional climate trends and scenarios for the U.S. National Climate Assessment. Part 6. Climate of the Northwest U.S.

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This climate document was prepared to provide a resource for authors of the Third National Climate Assessment report, pertinent to the state of Washington, Oregon, and Idaho, referred to collectively as the Northwest. The specifications of the National Climate Assessment Development and Advisory Committee (NCADAC) Scenarios Working Group (SWG), along with anticipated needs for historical information, guided the choices of information included in this description of Northwest climate. While guided by these specifications, the material herein is solely the responsibility of the authors, and usage of this material is at the discretion of the 2013 NCA report authors. This document has two main sections: one on historical conditions and trends and the other on future conditions as simulated by climate models. The historical section concentrates on temperature and precipitation, primarily based on analyses of data from the National Weather Service's (NWS) Cooperative Observer Network, which has been in operation since the late 19th century. Additional climate features are discussed based on the availability of information. The future simulations section is exclusively focused on temperature and precipitation. With regard to the future, the NCADAC in 2011 decided that scenarios should be prepared to provide an overall context for assessment of impacts, adaptation, and mitigation and to coordinate any additional modeling used in synthesizing or analyzing the literature. Scenario information for climate, sea-level change, changes in other environmental factors (such as land cover), and changes in socioeconomic conditions (such as population growth and migration) have been prepared. This document provides an overall description of the climate information.

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ELECTRONIC FILE - Zoology: Multiple Species

SWAP (2/19/2016) citation:
Kunkel KE, Stevens LE, Stevens SE, Sun L, Janssen E, Wuebbles D, Redmond KT, Dobson JG. 2013. Regional climate trends and scenarios for the U.S. National Climate Assessment. Part 6. Climate of the Northwest U.S. Washington (DC): National Oceanic and Atmospheric Administration. NOAA Tech. Rep. NESDIS 142-6. [accessed 2016 Jan 5]. http://www.nesdis.noaa.gov/technical_reports/NOAA_NESDIS_Tech_Report_142...