ST WV Sources and Transport of Water Vapor : 5-year Science Review
Résumé
The overarching aim of this Science Team (ST-WV) is to contribute to study of the multiscale
interaction between ambient flow and deep convection that governed the heavy precipitation
events (HPEs) observed during the first HyMeX Special Observing Period (SOP) through
Cross-validation studies and synergistic use of SOP observations and models in order to
provide the best description of the water vapour flows.
Three main objectives are pursued: (i) Produce error and bias estimates for the water vapour
profiles and integrated products issued from the different water vapour measuring
instruments, (ii) Provide a reference for validation of water vapor fields from model forecasts
& reanalyses, and (iii) Contribute to HPE related processes studies.
The instrumental cross-validation and model validation efforts, as well as recent progress on
the understanding of the role of water vapor on the life cycle of HPEs will be presented.
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