The NASA Lightning Nitrogen Oxides Model (LNOM): Application to air quality modeling

► Upgrades were added to the LNOM for modeling NOx production from mechanisms other than the return stroke. ► LNOM output statistics for channel length, and NOx per flash, are provided. ► Impact of the LNOM-derived lightning NOx source on CMAQ ozone predictions is provided. ► A preliminary estimate of global annual lightning NOx is given.