Mesoscale conditions associated with rain in the morning during the rainy period at the meteorological stations of Havana
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Abstract
This research aims to identify the mesoscale conditions associated with rain in the morning during the rainy season in the meteorological stations of Havana, with a synoptic and mesoscale study. To do this, a three-hour rainfall database is prepared in the morning hours at the meteorological stations of Casablanca and Santiago de las Vegas, corresponding to the 2000-2017 study period. A total of six synoptic configurations associated with the rain in the morning were determined in each meteorological station, which were shaped according to their location on the surface, the structure they presented in the height and their influence on the study area. The anticyclonic influence on surface constitutes the synoptic situation that more days with rain in the morning had associated in each meteorological station. In addition, four conditions that are associated with rainfall in the mesoscale were determined by means of satellite images and meteorological radar observations, in cases with anticyclonic influence in the whole tropospheric column. The low levels of the troposphere were the ones that contributed most moisture and the vertical movements did not influence significantly in such cases. The years 2005 and 2007 were the ones with the highest amount of rainy days in the morning in Santiago de las Vegas and Casablanca, respectively, and October was the month with the most reports of rain in the morning.
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References
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