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Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01)

Publicly accessible License 

**Overview**

The purpose of this work is to assess the sensitivity of the forecast for turbine height wind speed to initial condition (IC) uncertainties over the Columbia River Gorge and Columbia River Basin for two typical weather phenomena: a local thermal gradient induced by a marine air intrusion and passage of a cold front. The Weather Research and Forecasting (WRF) model data assimilation system (WRFDA) was used to generate ensemble ICs from the North American Regional Analysis (NARR) for the WRF model initialization. The simulated turbine-height wind speeds were categorized into four types using the self-organizing map (SOM) technique. This work advances understanding of IC uncertainties impacts on wind speed forecasts and locates the high-impact regions.

**Data Details**

This dataset contains 100 ensemble simulation outputs over the WFIP2 study region (outer domain, d01) for the sea-breeze case. Variables include surface pressure (PSFC), geopotential height (PH), pressure (P), 2-m temperature (T2), and wind speed (U & V) are compressed in a single zip file for each case. The files are named in the format of [var].[timestamp].nc, which contain 100 ensembles in one file. WRF namelists are also included. The sea-breeze case is for the time period 2016-08-16 to 2016-08-17.

Citation Formats

TY - DATA AB - **Overview** The purpose of this work is to assess the sensitivity of the forecast for turbine height wind speed to initial condition (IC) uncertainties over the Columbia River Gorge and Columbia River Basin for two typical weather phenomena: a local thermal gradient induced by a marine air intrusion and passage of a cold front. The Weather Research and Forecasting (WRF) model data assimilation system (WRFDA) was used to generate ensemble ICs from the North American Regional Analysis (NARR) for the WRF model initialization. The simulated turbine-height wind speeds were categorized into four types using the self-organizing map (SOM) technique. This work advances understanding of IC uncertainties impacts on wind speed forecasts and locates the high-impact regions. **Data Details** This dataset contains 100 ensemble simulation outputs over the WFIP2 study region (outer domain, d01) for the sea-breeze case. Variables include surface pressure (PSFC), geopotential height (PH), pressure (P), 2-m temperature (T2), and wind speed (U & V) are compressed in a single zip file for each case. The files are named in the format of [var].[timestamp].nc, which contain 100 ensembles in one file. WRF namelists are also included. The sea-breeze case is for the time period 2016-08-16 to 2016-08-17. AU - Liu, Ye DB - Open Energy Data Initiative (OEDI) DP - Open EI | National Renewable Energy Laboratory DO - 10.21947/1819819 KW - a2e KW - atmosphere to electrons KW - wind KW - weto KW - eere KW - wfip2 KW - Wind Forecast Improvement Project 2 (model) KW - Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01) KW - casestudy KW - wrf KW - 01 KW - seabreeze LA - English DA - 2016/08/16 PY - 2016 PB - Wind Energy Technologies Office (WETO) T1 - Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01) UR - https://doi.org/10.21947/1819819 ER -
Export Citation to RIS
Liu, Ye. Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01). Wind Energy Technologies Office (WETO), 16 August, 2016, A2E. https://doi.org/10.21947/1819819.
Liu, Y. (2016). Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01). [Data set]. A2E. Wind Energy Technologies Office (WETO). https://doi.org/10.21947/1819819
Liu, Ye. Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01). Wind Energy Technologies Office (WETO), August, 16, 2016. Distributed by A2E. https://doi.org/10.21947/1819819
@misc{OEDI_Dataset_4488, title = {Simulated wind speed and initial conditions over the WFIP2 region: Sea-breeze (D01)}, author = {Liu, Ye}, abstractNote = {**Overview**

The purpose of this work is to assess the sensitivity of the forecast for turbine height wind speed to initial condition (IC) uncertainties over the Columbia River Gorge and Columbia River Basin for two typical weather phenomena: a local thermal gradient induced by a marine air intrusion and passage of a cold front. The Weather Research and Forecasting (WRF) model data assimilation system (WRFDA) was used to generate ensemble ICs from the North American Regional Analysis (NARR) for the WRF model initialization. The simulated turbine-height wind speeds were categorized into four types using the self-organizing map (SOM) technique. This work advances understanding of IC uncertainties impacts on wind speed forecasts and locates the high-impact regions.

**Data Details**

This dataset contains 100 ensemble simulation outputs over the WFIP2 study region (outer domain, d01) for the sea-breeze case. Variables include surface pressure (PSFC), geopotential height (PH), pressure (P), 2-m temperature (T2), and wind speed (U & V) are compressed in a single zip file for each case. The files are named in the format of [var].[timestamp].nc, which contain 100 ensembles in one file. WRF namelists are also included. The sea-breeze case is for the time period 2016-08-16 to 2016-08-17.
}, url = {https://a2e.energy.gov/data/wfip2.model/casestudy.wrf.01.seabreeze.01}, year = {2016}, howpublished = {A2E, Wind Energy Technologies Office (WETO), https://doi.org/10.21947/1819819}, note = {Accessed: 2025-04-24}, doi = {10.21947/1819819} }
https://dx.doi.org/10.21947/1819819

Details

Data from Aug 16, 2016

Last updated Oct 11, 2021

Submitted Sep 14, 2021

Organization

Wind Energy Technologies Office (WETO)

Contact

Ye Liu

310.592.1876

Authors

Ye Liu

Pacific Northwest National Laboratory

Research Areas

DOE Project Details

Project Name Wind Data Hub

Project Number 67025

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