Comparison of TRMM Radar Rainfall Estimates with NOAA Next Generation QPE

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/107477

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.contributor	Universitat Politècnica de Catalunya. CRAHI - Centre de Recerca Aplicada en Hidrometeorologia
dc.contributor.author	Amitai, Eyal
dc.contributor.author	Llort Pavon, Xavier
dc.contributor.author	Sempere Torres, Daniel
dc.date	2009-01
dc.identifier.citation	Amitai, E., Llort, X., Sempere-Torres, D. Comparison of TRMM Radar Rainfall Estimates with NOAA Next Generation QPE. "Journal of the Meteorological Society of Japan", Gener 2009, vol. 87A, núm. Special issue, p. 109-118.
dc.identifier.citation	0026-1165
dc.identifier.citation	10.2151/jmsj.87A.109
dc.identifier.uri	http://hdl.handle.net/2117/107477
dc.language.iso	eng
dc.relation	https://www.jstage.jst.go.jp/article/jmsj/87A/0/87A_0_109/_article
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Enginyeria agroalimentària::Ciències de la terra i de la vida::Climatologia i meteorologia
dc.subject	Radar meteorology
dc.subject	Radarmeteorologia
dc.title	Comparison of TRMM Radar Rainfall Estimates with NOAA Next Generation QPE
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	(C) Copyright 2009, Meteorological Society of Japan (MSJ)
dc.description.abstract	Rainfall rate fields based on TRMM spaceborne radar observations are compared to those based on the new NOAA Next-Generation Quantitative Precipitation Estimation (QPE) high-resolution national mosaic product (Q2). These rainfall fields can be considered as radar products with the largest coverage currently available from space and ground-based radar observations. They probably can also be considered as the most advanced radar rainfall rate products covering a large area. How well do these two products agree? While the accumulated rain rates from all overpasses combined differ by less than 10%, a comparison between the satellite and ground radar probability distribution functions (pdfs) of the instantaneous rain rate shows very large discrepancies. In general, systematic anomalies over the continental U.S. in TRMM radar pdfs compared to the ground-radar pdfs can be recognized. The pdfs of the TRMM radar are generally shifted towards lower rain rates. Moreover, double peaks occur more frequently in the Q2 than in the TRMM radar pdf. Initial results from the comparisons between these two advanced products are presented.
dc.description.abstract	Peer Reviewed

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