Assertion: cyclone's eye | /r/CapableOf | prompt the jtwc
Facets:
value: to upgrade it
type: PURPOSE
Source sentences:
text: As Ockhi moved further into the Arabian Sea, it traveled through an area of sea surface temperatures of 31 °C (89 °F) and decreasing wind shear; a 23 mi (37 km) eye became visible on satellite imagery, prompting the JTWC to upgrade it to a Category 3-equivalent cyclone early on December 2.