Assertion: typhoon's system | /r/CapableOf | develop cumulonimbus clouds
Facets:
value: around its center
type: LOCATION
value: quickly
type: MANNER
Source sentences:
text: At the time, the system was 1,030 km (640 mi) northeast of Pohnpei, quickly developing cumulonimbus clouds around its center and establishing conducive outflow as it tracked west around the periphery of an area of high pressure.