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Croatian Meteorological Journal, Vol.47 No.47 January 2014. -

A flash-flood event in the western part of Croatia during the night between 24 and 25 September 2010 is analyzed by means of satellite, radar, lightning and rain-gauge measurements and NWP model data. A relatively rare positioning of two Mediterranean cyclones induced a strong convergence zone in the Northern Adriatic. One of the heavy precipitation episodes stroke the town of Pula and the surrounding Istrian inland resulting in 176 mm of rain in less than 7 hours, the highest daily amount ever measured in Pula. Operational 8 km resolution hydrostatic ALADIN model forecast satisfyingly the existence of twin cyclones and precipitation maximum over the sea. The processes that led to the development of the secondary maximum inland were explored using the 2 km resolution non-hydrostatic ALADIN model.

flash flood; Istria; convective precipitation; convergence; Mediterranean cyclones; ALADIN



Autor: D. Mazzocco Drvar - ; Meteorological and Hydrological Service, Zagreb, Croatia Plačko-Vršnak, D. - ; Meteorological and Hydrolo

Fuente: http://hrcak.srce.hr/



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