Final answer:
Cirrus clouds are a cloud type where a co-existing mixture of ice crystals and supercooled water can be found.
Step-by-step explanation:
In the context of cloud types, a co-existing mixture of ice crystals and supercooled water is typically found in cirrus clouds. Cirrus clouds are high-altitude clouds made up of thin, wispy strands or patches. These clouds are composed of ice crystals due to the extremely low temperatures at their altitudes, but they can also contain supercooled water droplets.
Supercooled water refers to water that remains in a liquid state below the freezing point (0°C) due to the absence of ice nucleation sites. In cirrus clouds, where the temperatures can be very cold, a combination of ice crystals and supercooled water can coexist.
It is important to note that supercooled water is only found in certain cloud types, and not all clouds contain a mixture of ice crystals and supercooled water.