Polar mesospheric clouds (PMC) inhabit a thin layer between approximately 80 and 85 km altitude during summer and are generally confined to the region north of 50?° latitude. These clouds are persistent throughout much of the summer, and past studies have determined that PMC have become more widespread in recent decades. Since state-of-the-art high altitude radiance models have limited capabilities for representing structured phenomena - such as PMC - in radiative transfer calculations, and since PMC observations indicate a substantial radiative signature in infrared window bands, it is essential that high altitude modeling capabilities be expanded to account for these phenomena. We describe a system that serves as an add-on feature to high altitude radiance codes by correcting the calculations for the unmodeled PMC radiative signature.
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