A weak disturbance that started overnight on December 6 stalled over the western United States and intensified rapidly.

In its initial stages after tropical cyclogenesis, the disturbance moved very slowly and did not intensify.

The disturbance slowly intensified into a tropical storm on August 6 and was given the name Celeste.

The tropical disturbance intensified, and became the second tropical depression of the season on June 9.

The disturbance slowly intensified, becoming a tropical depression on July 14 and reaching storm strength on the next day.

Moving towards the west due to trade winds associated with the Hadley cell, the disturbance gradually intensified.

Late on February 16, the disturbance turned south-southeast and intensified into a Tropical depression.

Shortly after formation, the disturbance intensified into a tropical storm at 1800 UTC later that day.

The disturbance intensified into a moderate tropical storm on the 19th.

Tracking northwestward, the disturbance intensified and was classified a tropical depression early on November 7.