1 Tropical Annual Mean OLR [20S-20N] HIRS - Black ERBE/CERES Scanner - Red ERBS Nonscanner - Red dashed ISCCP - Yellow TOVS Pathfinder A - Green NCEP R1/R2 - Blue solid/dashed ECMWF ERA40 - Cyan ERBSTerra
2 ISCCP - Yellow TOVS Pathfinder A - Green NCEP R1/R2 - Blue solid/dashed ECMWF ERA40 - Cyan Tropical OLR Anomaly w.r.t. [20S-20N] HIRS - Black ERBE/CERES Scanner - Red ERBS Nonscanner - Red dashed ERBSTerra
Inter-Comparison of OLR Products Hai-Tien Lee and Arnold Gruber University of Maryland, CICS/ESSIC-NOAA Robert G. Ellingson Florida State University, Dept. of Meteorology Istvan Laszlo NOAA/NESDIS NASA-GSFC/UMD WRF Users’ WorkshopSeptember 14, 2007 College Park, MD Acknowledgment: S.-K. Yang
4 ENSO Regional Mean OLR HIRS - Black ERBS/CERES Scanner - Red ISCCP - Yellow TOVS Pathfinder A - Green NCEP R1/R2 - Blue solid/dashed ECMWF ERA40 - Cyan Annual MeanAnomaly w.r.t. ENSO3 ENSO4 210E-270E 5S-5N 160E-210E 5S-5N
5 OLR Data Sets Summary “More Directly Observed”