No. Cirrus clouds are very high clouds, and as a result, are composed almost entirely of ice. The suspended ice particles, though of course subject to the effects of gravity, remain aloft due to the...
No. A cirrus cloud is a high, wavy, thin cloud formed of ice crystals. Funnel clouds are usually formed from cumulonimbus clouds (thunderclouds) at lower altitudes.
With the exception of rare stratospheric noctilucent clouds, cirrus forms the highest cloud layer (also cirrostratus or cirrocumulus). In the tropics (where the troposphere is thicker, that is...