CLUJ-NAPOCA PRECIPITATION FORECAST USING WSR-98D DOPPLER RADAR

 

Narcis Maier, Ştefan BILAŞCO, Csaba HORVATH

 

National Meteorological Agency, North Transylvanian Regional Center, mcis73@yahoo.com

Romanian Academy, Geography Section, Cluj-Napoca, Romania, sbilasco@gmail.com

Babeş-Bolyai University, Faculty of Geography, Cluj-Napoca, Romania, hcsaba@gmail.com

 

Abstract. CLUJ-NAPOCA precipitation forecast using WSR-98D Doppler radar. Forecasting inundations requires accurate spatial and temporal estimation of rainfalls in an area. Depending on the Z-R relationship (reflectivity-precipitation rate), the thresholds, maximum reflectivity data processing, VIL, cloud height or speed, provided by the WSR-98D affects the estimated precipitation used in the prediction of inundations. How much precipitation receives a watershed during an extreme event and what response will result depends on the basin hydrographic characteristics. A study of summer weather events between the years 2004-2008 and a new method in establishing relations between the radar estimated and recorded precipitations led to the determination of new relations between them which will balance the connections between them.

Key words: estimated precipitations, storm nuclei, reflectivity, VIL, cloud height

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