Over the following days, the system quickly intensified as it began moving slowly westward.

It quickly intensified, becoming a major hurricane a few hours later.

Upon classification, Janet quickly intensified as it moved to the west.

The storm quickly intensified further into a Category 3 hurricane only six hours later.

However, the hurricane quickly intensified back to a Category 4.

The damage between this point and downtown was not great, but the tornado quickly intensified.

However, it quickly intensified after a large, ragged eye developed early on August 1.

The storm quickly intensified due to its small size, and became a hurricane on August 22.

While moving to the northwest, the storm began to quickly intensify the next day.

The storm then turned to the north and quickly intensified to hurricane status on July 24.