Cirrus

Part of Speech

Noun

Pronunciation

/ˈsɪrəs/

Definitions

• A type of cloud characterized by wispy, feathery strands, typically composed of ice crystals, and found at high altitudes (above 20,000 feet or 6,000 meters).
• Any cloud formation that appears as thin, high-altitude wisps or strands, commonly associated with fair weather, though sometimes indicating an approaching weather front.

Usage Examples

• The sky was filled with cirrus clouds, a sign that the weather would remain clear for the day.
• As the cirrus clouds passed overhead, the weather forecast predicted a change in the coming hours.
• Cirrus clouds are often the first indication that a weather front is approaching, especially if they start to thicken.

Etymology

The word "cirrus" is derived from the Latin word "cirrus," meaning a curl of hair or tuft, referring to the cloud's wispy, hair-like appearance. The term was first used in the 19th century as meteorologists began classifying different types of clouds.

Synonyms

• Wispy clouds
• Feathery clouds
• High-altitude clouds

Antonyms

• Cumulus clouds
• Cumulonimbus clouds
• Stratus clouds

Translations

Regional Pronunciation Variations

• British English: /ˈsɪrəs/
• American English: /ˈsɪrəs/
• Spanish (Spain): /ˈsiɾo/
• French: /siʁys/

Historical Usage

The term "cirrus" has been in use since the early 19th century when scientists began categorizing clouds based on their physical appearance. The classification of clouds, including cirrus, allowed meteorologists to make predictions about weather patterns. Cirrus clouds are often among the first clouds to appear in a changing weather system, providing key indicators of atmospheric conditions. Early meteorologists used cirrus clouds as markers to predict weather systems before modern technology allowed for more precise forecasting.

Cultural Nuances

Cirrus clouds are often seen as symbols of fair weather in many cultures, especially when they appear in clear skies. In some ancient traditions, the appearance of cirrus clouds was considered an omen of calm and peaceful conditions. Today, they are recognized by meteorologists as important indicators of atmospheric processes, and their presence can sometimes signal a change in weather, such as the onset of a storm. Cirrus clouds are also noted for their beauty and delicate appearance, often inspiring awe in those who observe them in the sky.

More Information

Cirrus clouds, found at altitudes above 20,000 feet (6,000 meters), are composed of ice crystals and are characterized by their wispy, thin appearance. While they rarely produce precipitation, cirrus clouds play an important role in weather forecasting, as they often appear before major weather changes. Their presence can indicate the approach of a weather front, and they are sometimes the first sign of an incoming storm system. In modern meteorology, cirrus clouds are closely monitored, and their behavior provides valuable insight into the dynamics of the atmosphere.