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MERRA-2 total cloud fraction anomalies in boreal winter of 1997/1998 and 2015/2016 El Niño events and their comparison with observations from the ISCCP (top panel, 1997/1998 El Niño) and the MODIS (middle panel, 2015/2016 El Niño). The bottom panel represents the difference in total cloud fraction anomaly between the two El Niño events from MERRA-2 (lower-left) and MODIS/ISCCP observation (lower-right).
