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Comparison of Surface and Satellite Observations of Clouds and Solar Radiation Over Europe. Joel Norris GEWEX Cloud Assessment Meeting 6 July 2006. × = GEBA station ● = cloud station − = ISCCP grid box. SW Flux Estimated from Synoptic Reports.
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Comparison of Surface and Satellite Observations of Clouds and Solar RadiationOver Europe Joel Norris GEWEX Cloud Assessment Meeting 6 July 2006
×= GEBA station ● = cloud station − = ISCCP grid box
SW Flux Estimated from Synoptic Reports • Estimate radiation anomalies due to cloud cover anomalies to bridge between synoptic cloud reports and GEBA and ISCCP FD solar radiation data SW Cloud Cover Radiative Forcing (CCRF) anomaly = (mean SW CRF / mean cloud cover) × total cloud cover anomaly )
SW Flux Estimated from Synoptic Reports correlation = 0.87
SW Flux Estimated from Synoptic Reports correlation = 0.87 ×1.8 to account for the positive correlation between cloud cover and cloud thickness anomalies