Assertion: tropical cyclone | /r/Desires | incursions of colder air
Facets:
value: often
type: TEMPORAL
value: to induce atmospheric instability
type: PURPOSE
Source sentences:
text: Factors required for the formation of Medicanes are somewhat different than that normally expected of tropical cyclones; known to emerge over regions with sea surface temperatures (SSTs) below 26 °C (79 °F), Mediterranean tropical cyclones often require incursions of colder air to induce atmospheric instability.