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NWS Cooperative Observer Program

Sponsoring Organization:  NOAA National Weather Service

Acronym:  NWS COOP

Description:  The National Weather Service (NWS) Cooperative Observer Program (COOP) is truly the Nation's weather and climate observing network of, by and for the people. More than 11,000 volunteers take observations on farms, in urban and suburban areas, National Parks, seashores, and mountaintops. The data are truly representative of where people live, work and play. COOP observational data supports the NWS climate program and field operations. The program responsibilities include: * Selecting data sites * Recruiting, appointing and training of observers * Installing and maintaining equipment * Keeping station documentation observer payroll * Collecting data and its delivering it to users * Maintaining data quality control * Managing fiscal and human resources required to accomplish program objectives

Web Site:  http://www.weather.gov/om/coop/

Duration:  01/01/1890 to present  (as of 08/14/2012)

Program Contact Web URL:  http://www.weather.gov/om/contact.shtml

Program Purpose:  The COOP was formally created in 1890 under the Organic Act. Its mission is two-fold: * To provide observational meteorological data, usually consisting of daily maximum and minimum temperatures, snowfall, and 24-hour precipitation totals, required to define the climate of the United States and to help measure long-term climate changes * To provide observational meteorological data in near real-time to support forecast, warning and other public service programs of the NWS.

Data Access Web URL:  http://www.ncdc.noaa.gov/cdo-web/

Data Access Information:  The basic tenet of physical climate data management at NOAA is full and open data access. All raw physical climate data available from NOAA’s various climate observing systems as well as the output data from state-of-the-science climate models are openly available in as timely a manner as possible. The timeliness of such data is dependent upon its receipt, coupled with the associated quality control procedures necessary to ensure that the data are valid. In addition, the latest versions of all derived data sets are made available to the public. NOAA also provides access to all of its major climate-related model simulations.

Data Access Policy Web URL:  http://www.ncdc.noaa.gov/oa/about/open-access-climate-data-policy.pdf

Sampling Design:  Most COOP stations provide daily maximum and minimum temperatures, snowfall, and 24-hour precipitation totals, required to define the climate of the United States and to help measure long-term climate changes

Sampling Frequency:  Daily observations

Sample Collection:  Sample collection is described in the NWS Cooperative Observer training materials (http://www.weather.gov/om/coop/training.htm)

Quality Assurance Plan:  Quality assurance is described in the NWS Cooperative Observer training materials (http://www.weather.gov/om/coop/training.htm)

Parameters Measured:  Daily maximum and minimum air temperature, snowfall, and 24-hour precipitation totals

Monitoring Stations:  1270 stations are registered in the database (search/display)

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