Definition

1. Noun:
   • (Meteorology) A composite front formed when a cold front overtakes a warm front, resulting in colder air surrounding a mass of warm air and lifting it off the ground. This weather phenomenon is often associated with complex cloud systems and precipitation.

Usage Examples

• Noun:
  • The weather forecast predicts rain and storms as an occluded front moves across the region.
  • On the satellite map, the occluded front is shown as a purple line with alternating triangles and semicircles.
  • The pilot was warned about potential turbulence near the occluded front.

Advanced Usage

• "To occlude" (verb): In meteorology, this is the process that forms an occluded front, where the cold air mass closes off and lifts the warm air mass.
  • The system will occlude as the cold front catches up to the warm front.

Variants and Related Words

• Occlusion (n): The process or result of occluding; in meteorology, it is synonymous with an occluded front.
  • The storm intensified during the occlusion phase.
• Front (n): The boundary separating two different air masses.
• Cold Front (n): The leading edge of a cooler air mass.
• Warm Front (n): The leading edge of a warmer air mass.

Synonyms

• Occlusion: The meteorological term for an occluded front.

Related Phrases

• Frontal system: A general term for the boundary between air masses, which can include occluded fronts.
  • The complex frontal system brought a week of unsettled weather.

Noun

1. (meteorology) a composite front when colder air surrounds a mass of warm air and forces it aloft