1955 Pacific typhoon season

Typhoon (JMA)
Category 1 typhoon (SSHWS)
Duration	January 1 – January 6
Peak intensity	140 km/h (85 mph) (1-min); 995 hPa (mbar)

Typhoon Violet formed on January 1 and dissipated on January 6. It peaked as a Category 1 typhoon by the JTWC before making landfall in Mindinao in the Philippines.

Typhoon (JMA)
Category 2 typhoon (SSHWS)
Duration	March 21 – March 29
Peak intensity	165 km/h (105 mph) (1-min); 985 hPa (mbar)

Forming in an area full of islands, Wilda moved up into the open ocean where it reached typhoon strength. Shortly after, Wilda peaked in intensity as a lower-end category 2 cyclone. Wilda soon made a turn and began to weaken. Soon enough, Wilda had weakened under typhoon strength and dissipated on March 29.

Typhoon (JMA)
Category 3 typhoon (SSHWS)
Duration	April 17 – April 28
Peak intensity	185 km/h (115 mph) (1-min); 977 hPa (mbar)

Anita formed as a tropical depression on April 17. Anita entered a phase of warm waters, and it rapidly intensified to a category 1 typhoon and even a category 2 typhoon later. Anita encountered on a phase of cool waters, and as a result, it gradually weakened. Anita but re-intensified into a category 1 typhoon on April 20. However, it weakened again on April 22 but again re-intensified to a category 1 and even a category 2 typhoon later. Anita reached its peak intensity as a category 3 typhoon. Anita encountered a strong wind shear and because of this, Anita rapidly weakened to a tropical storm. Anita weakened to a tropical depression on April 25. Later, Anita loses its identity and dissipated.

Typhoon (JMA)
Category 3 typhoon (SSHWS)
Duration	June 2 – June 7
Peak intensity	185 km/h (115 mph) (1-min); 988 hPa (mbar)

Billie hit China as a weak typhoon.

Typhoon (JMA)
Category 4 typhoon (SSHWS)
Duration	July 18 – July 21
Peak intensity	215 km/h (130 mph) (1-min); 930 hPa (mbar)

On July 18, a tropical depression formed southeast of Japan. It entered a phase of favorable environments and was soon upgraded into a tropical storm and named Fran. Fran then moved into a favorable environment and Fran was upgraded into a category 1 typhoon. Intensification occurred and Fran intensified from a category 1 to 4 typhoon and reached its peak intensity. After peaking in intensity, unfavorable environments made Fran to start a weakening trend. On July 20, Fran weakened to a category 2 typhoon and later weakened to a category 1 typhoon and even as a strong tropical storm. On July 21 of noon, Fran weakened to a tropical depression, and soon encountered with strong wind shear and dissipated. Fran became extratropical on July 21, before moving further to the east and dissipated on July 23.

Typhoon (JMA)
Category 1 typhoon (SSHWS)
Duration	August 2 – August 17
Peak intensity	140 km/h (85 mph) (1-min); 975 hPa (mbar)

A tropical depression formed east of Philippines on August 2. It intensified to a tropical storm in the next day and named Hope. Hope intensified into a category 1 hurricane while at the south of Japan. It weakened to a tropical storm and the storm turned to the north and intensified into a category 1 again.

It was downgraded to a tropical storm and turned northeast before it slowed down. Hope became extratropical on August 17. Shortly after, the remnants hit the south of Kamchatka Peninsula and dissipated.

Tropical storm (JMA)
Duration	August 10 – August 12
Peak intensity	75 km/h (45 mph) (10-min); 1000 hPa (mbar)

Seventeen was a short tropical storm that never affected land.

Tropical storm (SSHWS)
Duration	August 10 – August 12
Peak intensity	65 km/h (40 mph) (1-min); 999 hPa (mbar)

This storm never affected land, it remained in open waters.

Typhoon (JMA)
Category 5 super typhoon (SSHWS)
Duration	September 20 – September 30
Peak intensity	280 km/h (175 mph) (1-min); 930 hPa (mbar)

Louise formed on September 20 as a weak tropical depression. It intensified into a tropical storm and even a typhoon later. Wind shear quickly decreased and sea surface temperatures began to rise and Louise rapidly intensified into a category 5 super typhoon. However, the process of eyewall replacement cycle caused Louise to weaken. Louise weakened to a category 2 typhoon and it started to affect the Kyūshū island of Japan and even weakened to a category 1 typhoon and affected Japan. Louise dissipated on September 30. On Kyūshū island, 54 people were killed and 14 went missing.

Typhoon (JMA)
Category 4 super typhoon (SSHWS)
Duration	November 25 – December 4
Peak intensity	250 km/h (155 mph) (1-min); 940 hPa (mbar)

Patsy started on its life as a tropical depression on November 25. It hit Philippines as a tropical storm. It moved out of area before intensifying into Typhoon Patsy. Patsy reached its peak intensity before undergoing an eyewall replacement cycle and started to weaken.