Articles | Volume 15, issue 22
Geosci. Model Dev., 15, 8561–8579, 2022
https://doi.org/10.5194/gmd-15-8561-2022
Geosci. Model Dev., 15, 8561–8579, 2022
https://doi.org/10.5194/gmd-15-8561-2022
Development and technical paper
23 Nov 2022
Development and technical paper | 23 Nov 2022

Lightning assimilation in the WRF model (Version 4.1.1): technique updates and assessment of the applications from regional to hemispheric scales

Daiwen Kang et al.

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Cited articles

Abarca, S. F., Corbosiero, K. L., and Galarneau Jr., T. J.: An evaluation of the Worldwide Lightning Location Network (WWLLN) using the National Lightning Detection Network (NLDN) as ground truth, J. Geophys. Res., 115, D18206, https://doi.org/10.1029/2009JD013411, 2010. 
Allen, D. J., Pickering, K. E., Pinder, R. W., Henderson, B. H., Appel, K. W., and Prados, A.: Impact of lightning-NO on eastern United States photochemistry during the summer of 2006 as determined using the CMAQ model, Atmos. Chem. Phys., 12, 1737–1758, https://doi.org/10.5194/acp-12-1737-2012, 2012. 
Appel, K. W., Gilliam, R. C., Davis, N., Zubrow, A., and Howard, S. C.: Overview of the Atmospheric Model Evaluation Tool (AMET) v1.1 for evaluating meteorological and air quality models, Environ. Modell. Softw., 26, 434–443, https://doi.org/10.1016/j.envsoft.2010.09.007, 2011. 
Asong, Z. E., Razavi, S., Wheater, H. S., and Wong, J. S.: Evaluation of Integrated Multisatellite Retrievals for GPM (IMERG)over Southern Canada against Ground Precipitation Observations: A Preliminary Assessment, J. Hydrometeorol., 18, 1033–1050, https://doi.org/10.1175/JHM-D-16-0187.1, 2017. 
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Short summary
A lightning assimilation (LTA) technique implemented in the WRF model's Kain–Fritsch (KF) convective scheme is updated and applied to simulations from regional to hemispheric scales using observed lightning flashes from ground-based lightning detection networks. Different user-toggled options associated with the KF scheme on simulations with and without LTA are assessed. The model's performance is improved significantly by LTA, but it is sensitive to various factors.