The 3.9 µm channel at night over very cold cloud tops
When cloud top temperatures are very cold, the 3.9 µm imagery will have characteristics that suggest a noisy signal. The 45-minute animation above shows a cold cloud top east of Florida in 4 different infrared channels: 3.9 µm (Upper Left), 10.3 µm (Upper Right), 8.5 µm (Lower Left) and 12.3 µm (Lower Right). That... Read More
