Offshore CA Dataset

GET {{nrel_developer_url}}/wind-toolkit/v2/wind/offshore-ca-download.json?wkt=POINT (-128.77481 39.970406)&attributes=wind_speed,wind_direction&names=2017&utc=false&leap_day=true&full_name=Data%20Lover&email=data.lover%40gmail.com&affiliation=NREL

The Offshore CA Dataset is a 20-year wind resource dataset for offshore California. Produced in 2020, this data set replaces NREL's Wind Integration National Dataset (WIND) Toolkit for offshore California, which was produced and released publicly in 2013 and is currently the principal data set used by stakeholders for wind resource assessment in the continental United States. Both the WIND Toolkit and this new data set are created using the Weather Research and Forecasting (WRF) numerical weather prediction model (NWP).

The Offshore CA shares many of the same attributes as the WIND Toolkit, including 5-minute time resolution and 2-kilometer horizontal spatial resolution. However, the new data set improves upon - the WIND Toolkit through:

A 20-year modeling period from 2000 through 2019 (compared to the 7-year 2007-2013 modeling period in the WIND Toolkit) Confidence metrics for the hub height wind resource, driven by an ensemble of 16 different WRF simulations run in the 2017 calendar year An updated WRF version, from 3.4 used in the WIND Toolkit to version 4.1.2 used here, which incorporates significant R&D advancements The use of the state-of-the-art reanalysis product ERA5 to provide atmospheric forcing at the WRF domain boundaries. The ERA5 product is produced by the European Centre for Medium Range Weather Forecasts (ECMWF) and replaces its older ERA-interim product, which was used in the WIND Toolkit.

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