From the National Hurricane Center's Tropical Outlook Page
- Northwestern Caribbean Sea and eastern Gulf of Mexico: A broad area of low pressure over the northwestern Caribbean Sea near the northeastern coast of Honduras is producing disorganized shower and thunderstorm activity. Environmental conditions appear conducive for gradual development of this system during the next several days, and a tropical depression is likely to form late this weekend or early next week while moving generally northward over the northwestern Caribbean Sea and eastern Gulf of Mexico. Interests in the Yucatan Peninsula of Mexico, western Cuba, and Florida should monitor the progress of this system.
- Formation chance through 48 hours...low...20 percent.
- Formation chance through 7 days...high...70 percent.
AFAIK, that's exactly the case. With hurricane being used in North America and cyclone being used in the Western Pacific.
I just wanted to use the term NHC used.