RT info:eu-repo/semantics/article
T1 Assessment of HARMONIE-AROME in the simulation of the convective activity associated to a subtropical transition using satellite data.
A1 Calvo Sancho, Carlos
A1 Quitián-Hernández, Lara
A1 Bolgiani, Pedro
A1 González Alemán, Juan Jesús
A1 Santos Muñoz, Daniel
A1 Martín Pérez, María Luisa
AB Subtropical transition events (STT) are a challenge for forecasting and research due to the hybrid characteristicsthey give to the cyclones. The ability and skillfulness of the HARMONIE-AROME model to reproduce the cloudstructure and convection associated to the October 2014 STT is here evaluated. Brightness temperature, cloudtop height and accumulated precipitation are assessed against satellite data using traditional skill scores andobject-based techniques specific to forecasting spatial evaluation. The results present differences in the simu-lation of the cyclone between the periods before and after the transition. They also show a very good perfor-mance of the model in the location of the events and a good simulation of the intensity of the variables. Theperformance is sub-optimal for the estimation of the sizes of the convective objects. Brightness temperature andcloud top heights yield very good results in general, with a slight overestimation in both cases. However, themodel struggles to capture the accumulated precipitation. There is scarce work evaluating the HARMONIE-AROME model in this type of events; nevertheless, the results are in line with those produced by the simula-tions with other numerical models. The overall performance of the model is very adequate, although it might behindered by the internal stability of the model produced by the deep-convection computation.
PB Atmospheric Research
YR 2023
FD 2023
LK https://uvadoc.uva.es/handle/10324/64809
UL https://uvadoc.uva.es/handle/10324/64809
LA eng
NO Atmospheric Research, 2023, 290, 106794.
DS UVaDOC
RD 24-nov-2024