warm front

Thân thiện

A warm front brings steady rain to the valley.

Definition

Noun: 1. A meteorological boundary: A warm front is the leading edge of an advancing mass of warmer air that is displacing a retreating, cooler air mass. It is characterized by a gradual slope, which typically leads to a prolonged period of cloudiness and precipitation over a broad area.

Usage

• As a subject: A warm front is often associated with steady rain.
• As an object: Meteorologists are tracking the warm front moving in from the south.
• With prepositions: The weather will change the warm front. Clouds form the warm front.

Examples

Advanced Usage

• In technical/scientific contexts: "The model shows the warm front occluding as it interacts with the faster-moving cold front."
• In weather reports: "Expect increasing clouds and showers ahead of the warm front, with clearing conditions following its passage."

Variants and Related Words

• Cold front (noun): The leading edge of an advancing mass of colder air.
• Stationary front (noun): A boundary between air masses that is not moving.
• Occluded front (noun): A composite front formed when a cold front overtakes a warm front.
• Frontal boundary (noun): A general term for the interface between two different air masses.

Synonyms

• Advancing warm air mass (noun phrase): A more descriptive synonym.
• Thermal front (noun): A less common technical term.

Related Phrases

• Frontal passage (noun phrase): The movement of a front (like a warm front) over a specific location.
• Warm sector (noun phrase): The region of warm air between a warm front and the subsequent cold front in a cyclone system.

Học thuật

Noun

1. the front of an advancing mass of warmer air