Improvement of 5 % on MAE, which is particularly large at nighttime andĭuring the morning transition. The impact of theįiner horizontal grid spacing in the CNT runs also shows a positive Is reduced by 3 %–4 % due to the experimental physics. Horizontal grid spacing (HRRRNEST vs. HRRR) and the combination of the twoĪre compared, using standard bulk statistics such as mean absolute error Improvementsĭue to the experimental physics (EXP vs. CNT runs) and those due to finer
Height) from the HRRR and HRRRNEST models are assessed, using observationsĬollected by 19 sodars and three profiling lidars for comparison. Parameterizations on the forecast of 80 m wind speeds (wind turbine hub For these tests the models were run in control (CNT) andĮxperimental (EXP) configurations, with the EXP configuration including all (NWP) models were tested during four 6-week reforecast periods (one for each (HRRRNEST – 750 m horizontal grid spacing) numerical weather prediction Horizontal grid spacing) and the High Resolution Rapid Refresh Nest Parameterizations used in the High Resolution Rapid Refresh (HRRR – 3 km (WFIP2 October 2015–March 2017, held in the Columbia River Gorge and BasinĪrea of eastern Washington and Oregon states), several improvements to the During the second Wind Forecast Improvement Project
