Assertion: typhoon's system | /r/HasProperty | assigned tc numbers
Facets:
value: unofficially
type: MANNER
value: with either suffix "s"
type: OTHER
Source sentences:
text: The United States Joint Typhoon Warning Center also monitors the basin, and issues warnings on significant tropical cyclones on behalf of the United States Government; these systems are unofficially assigned TC numbers with either suffix "S" (if originating west of 135°E; spans the whole South Indian Ocean, including MFR's area of responsibility) or suffix "P" (if east of 135°E; spans the whole South Pacific Ocean, merging BoM, PNG-NWS, FMS, and MSNZ AORs together).