Gradual intensification took place over the following few days as the storm turned more northeasterly.

Despite being located over warm waters, only gradual intensification was anticipated.

It formed on May 10, and continued gradual intensification.

Gradual intensification ensued, and an eye began to form in Dora the next day.

Gradual intensification ensued over the following days as the storm became increasingly organized.

Gradual intensification took place over the following two days, with the system becoming a cyclonic storm on November 19.

Gradual intensification, and North Vietnamese exploration of a changed ground environment.

Gradual intensification occurred thereafter, reaching hurricane status on October 10.

Thereafter, gradual intensification occurred and the storm reached hurricane strength on June 15.

Thus, the possibility of re-strengthening increased, though predictions only showed gradual intensification.