I want to get Visibility value. In CMAQ 5.2 I can set CTM_AVIS to ture to get VIS output. How to generate VIS output in CMAQ 5.3?

Earlier versions of CMAQ output visibility estimated near 550 nm using the below formula. visibility = 10.0 log( (aerosol_extinction_550nm+Rayleigh_Extinction_550nm)/Rayleigh_Extinction_550nm) The aerosol extinction was estimated two ways. One used a volume mixing model and an approximation of Mie…

How to generate VIS output in CMAQ 5.3

CMAQ

bambila1 May 25, 2022, 1:30am 3

Please who has the solution to this, because neither WRF-CMAQ v.5.3.2/3 (coupled model) has visibility environment settings ?

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How to generate VIS output in CMAQ 5.3

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