What does "CIRRUS" signify regarding TAF conditions?

The term "CIRRUS" refers to a specific classification of clouds that are typically found at high altitudes, usually above 20,000 feet. These clouds are thin, wispy, and often signify fair weather, although they can sometimes indicate changes in the weather, such as the approach of a warm front which may lead to precipitation later on. In the context of Terminal Aerodrome Forecasts (TAF), the presence of cirrus clouds can help forecasters assess the upper atmospheric conditions and make predictions about potential changes in weather patterns, even if they do not indicate immediate precipitation.

Recognizing the classification of cirrus as high-altitude clouds is crucial for understanding their implications in weather forecasting and for pilots who rely on TAFs for safe navigation and planning.