Timeline of the 1997 Pacific hurricane season The 1997 Pacific hurricane season was the most active season since the 1994 season, producing 24 tropical depressions, 19 of which became tropical storms or hurricanes. The season officially started on May 15, 1997 in the Eastern Pacific—designated as the area east of 140°W—and on June 1, 1997 in the Central Pacific, which is between the International Date Line and 140°W. The season officially ended in both basins on November 30, 1997. These dates typically limit the period of each year when most tropical cyclones form in the eastern Pacific basin. This timeline documents all the storm formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipation. The timeline also includes information which was not operationally released, meaning that information from post-storm reviews by the National Hurricane Center, such as information on a storm that was not operationally warned on, has been included. The first storm formed on June 1 and the final storm crossed into the western Pacific on December 6, thus ending the season. There were 24 cyclones in both the eastern and central Pacific, including 5 unnamed tropical depressions. Of these, 19 were in the east Pacific; 8 peaked at tropical storm intensity, while 10 reached hurricane status. Seven of these reached Category 3 intensity or higher on the Saffir–Simpson Hurricane Scale, including central Pacific cyclones Super Typhoons Oliwa and Paka, which became typhoons after crossing into the Western Pacific. Activity in the Central Pacific was above average; two tropical storms formed in addition to several tropical depressions. Some of the storms entered the region from the east. The 1997 season was the fourth-most active in the Central Pacific since satellite observations began. Nine tropical cyclones entered or formed in the region during that period. Timeline of storms May May 15 The Eastern Pacific hurricane season officially begins. June June 1 The Central Pacific hurricane season officially begins. 0000 UTC – Tropical Depression One-E forms 300 miles (555 km) south of the Gulf of Tehuantepec. June 2 1200 UTC – Tropical Depression One-E strengthens into Tropical Storm Andres. June 6 0600 UTC – Tropical Storm Andres weakens into a tropical depression. June 7 0100 UTC – Tropical Depression Andres makes landfall near San Salvador, El Salvador with wind of 30 mph (50 km/h). 0600 UTC – The surface circulation of Tropical Depression Andres rapidly dissipates over the mountains of Central America. June 9 1800 UTC – Tropical Depression Two-E forms in the Gulf of Tehuantepec. June 10 0000 UTC – Tropical Depression Two-E strengthens into Tropical Storm Blanca. June 12 0000 UTC – Tropical Storm Blanca weakens into a tropical depression. 1200 UTC – Tropical Depression Blanca loses its surface circulation. June 21 1800 UTC – Tropical Depression Three-E forms. June 24 0000 UTC – Tropical Depression Three-E dissipates. June 25 0600 UTC – Tropical Depression Four-E forms 450 miles (830 km) southeast of the southern tip of the Baja Peninsula. 1800 UTC – Tropical Depression Four-E strengthens into Tropical Storm Carlos. June 27 0600 UTC – Tropical Storm Carlos weakens into Tropical Depression Carlos. June 28 0600 UTC – Tropical Depression Carlos dissipates. June 29 1200 UTC – Tropical Depression Five-E forms. July July 4 0600 UTC – Tropical Depression Five-E dissipates. July 5 1200 UTC – It is estimated that Tropical Depression Six-E forms 600 miles (1110 km) southeast of the southern tip of the Baja Peninsula it is operationally upgraded to Tropical Storm Dolores. July 6 0000 UTC – Tropical Depression Six-E strengthens into Tropical Storm Dolores. July 7 1200 UTC – Tropical Storm Dolores strengthens into