This session will focus on a new generation of online integrated Atmospheric Chemical Transport (ACT) and Meteorology (Numerical Weather Predication and Climate) modelling with two-way interactions between different atmospheric processes including chemistry (both gases and aerosols), clouds, radiation, boundary layer, emissions, meteorology and climate.

At least, two application areas of the integrated modelling are expected to be considered:
(i) improved numerical weather prediction (NWP) and chemical weather forecasting (CWF) with short-term feedbacks of aerosols and chemistry on meteorological variables, and
(ii) two-way interactions between atmospheric pollution/ composition and climate variability/change.

The session welcomes papers that focus on different aspects of the integrated meteorology-chemistry modelling, including: (i) Strategy and framework for online integrated modelling; (ii) Interactions, parameterisations and feedback mechanisms; (iii) Chemical data assimilation in integrated models; (iv) Evaluation, validation, and applications of integrated systems.

The Section is organised by the COST Action ES1004 'European framework for online integrated air quality and meteorology modelling (EuMetChem)' and linked with the MACC2 project and AQMEII Phase 2 initiative.

Additionally to the poster session, we got a possibility to make short oral presentations (2 slides, 3 min) of our session posters on the PSD session of AS4.2 which is numbered as PSD14.12.
It is scheduled on Wednesday, 13:30-14:15 in room B7.

After the AS4.2 Poster Session at 19:00 we organize a splinter meeting SPM1.40: "AQMEII/COST ES1004 working meeting (public)" to discuss recent results of the AQMEII online models exercise, specific case studies of aerosol feedbacks on meteorology and data assimilation in online models.
It will be on Wed, 30 Apr, 19:00–20:00 in Room R2.
All interested are very welcome!