Augusto J. Pereira Filho1 Camila G. M. Ramos1 John E. Janowiak2

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Presentation transcript:

INTERCOMPARISON OF CMORPH RAINFALL ESTIMATION WITH RAINGAUGES OVER SOUTH AMERICA Augusto J. Pereira Filho1 Camila G. M. Ramos1 John E. Janowiak2 Viviane B. S. Silva3 1DAC/IAG, University of São Paulo, Brazil 2ESSIC, University of Maryland, College Park, USA 3Climate Prediction Center/NOAA, USA Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Amazon -> S. Francisco -> <- La Plata Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

CMORPH RAINFALL ACCUMULATION 2003 2004 (mm) (mm) (Pereira et al., 2006) Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

GAUGE RAINFALL ACCUMULATION Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

CMORPH RAINFALL FREQUENCY 2003 2004 (mm) (mm) (Pereira et al., 2006) Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

HOURLY ACCUMULATION 2003 and 2004 (Pereira et al., 2006) (mm) (Pereira et al., 2006) Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

TIME OF MAXIMUM RAINFALL 2003 and 2004 (mm) (UTC) (Pereira et al., 2006) Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

L H H H L L H L L L H H Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

CONCLUSION Rainfall Estimation Accumulation Time (worst -> best r2) Daily (0.10) -> Monthly (0.58) -> Yearly (0.71); Rainfall Estimation Bias (worst -> best mm) SON (+80) -> JJA (-80) -> MAM (-20) -> DJF (0) Interior (+) -> Seashore (-) Convection (+) -> stratiform (-); CSI > 0.9 April -> September (>200 mm); CSI < 0.8 January -> December (<150 mm); Water management of large watersheds of South America; Integration of CMORPH & raingauges; Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China

THE END Work supported by: FAPESP and CNPq (BRAZIL) CPC/NOAA and ESSIC (USA) Travel Support by: CMA THE END Four Workshop of the International Precipitation Working Group October 13-17, 2008 Beijing, China