1955 Pacific hurricane season

Tropical storm (SSHWS)
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Duration	June 8 – June 11
Peak intensity	50 mph (85 km/h) (1-min);; 1003 mbar (hPa)

Category 1 hurricane (SSHWS)
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Duration	June 6 – June 8
Peak intensity	85 mph (140 km/h) (1-min);; 990 mbar (hPa)

1955 Pacific hurricane season
1955 Pacific hurricane season
	Season summary map
Seasonal boundaries
First system formed	June 6, 1955
Last system dissipated	October 16, 1955
Strongest storm
Name	One
• Maximum winds	85 mph (140 km/h); (1-minute sustained)
Seasonal statistics
Total storms	6
Hurricanes	2
Major hurricanes; (Cat. 3+)	0
Total fatalities	0
Total damage	Unknown
Related articles
	1955 Atlantic hurricane season; 1955 Pacific typhoon season; 1950s North Indian Ocean cyclone seasons;
	Pacific hurricane seasons; 1953, 1954, 1955, 1956, 1957

The 1955 Pacific hurricane seasons began on May 15, 1955, in the northeast Pacific Ocean and on June 1, 1955, in the central Pacific. They ended on November 30, 1955. These dates conventionally delimit the time of year when most tropical cyclones form in northeast Pacific Ocean.

Before the satellite age started in the 1960s, data on east Pacific hurricanes is extremely unreliable. Most east Pacific storms are of no threat to land. Six tropical systems were observed this season.

Seasonal summary

Systems

Hurricane One

Hurricane One existed from June 6 to June 8.

Tropical Storm Two

Tropical Storm Two existed from June 8 to June 11.

Tropical Storm Three

Tropical storm (SSHWS)

Duration	July 6 – July 9
Peak intensity	50 mph (85 km/h) (1-min); 1005 mbar (hPa)

Tropical Storm Three existed from July 6 to July 9.

Tropical Storm Four

Tropical storm (SSHWS)

Duration	September 1 – September 5
Peak intensity	50 mph (85 km/h) (1-min); 1000 mbar (hPa)

Tropical Storm Four developed on September 1 and moved away from Mexico while weakening. This stormed dissipated on September 5.

Tropical Storm Five

Tropical storm (SSHWS)

Duration	October 1 – October 4
Peak intensity	50 mph (85 km/h) (1-min); 1002 mbar (hPa)

In early October, the remnants of Hurricane Janet entered the Pacific Ocean, which later re-organized into the fifth tropical storm of the Pacific hurricane season.^[1] On October 1, the storm began to curve northwestward due to a ridge over Texas. Over the following days, however, a shortwave over the United States West Coast forced to the storm to the north and then east.^[2] The tropical storm maintained the same intensity throughout its existence, before making landfall on Baja California Sur at 0600 UTC on October 3. The disturbance crossed back into the Gulf of California, where it dissipated the following day.^[3] The remnants of the cyclone later moved into Sonora. In the United States, rainfall was spread throughout areas of Arizona and New Mexico. Stations in Tatum and Lovington, New Mexico, recorded peak rainfall totals in excess of 3 in (76 mm).^[2]

Hurricane Six

Category 1 hurricane (SSHWS)

Duration	October 15 – October 16
Peak intensity	85 mph (140 km/h) (1-min); 999 mbar (hPa)

In mid-October, a hurricane hit southwestern Mexico.

The hurricane killed 40 people in Atenquique, Jalisco, due to flooding. The storm produced floods across southwestern Mexico after heavy rainfall, affecting Jalisco, Colima, and Michoacán.^[4]

References

^ United States Department of Commerce (1955). "Bulletins and Advisories Issued by Weather Bureau Airport Station, San Juan, Puerto Rico, Weather Bureau Office, Miami, Florida, and Weather Bureau Office, New Orleans, Louisiana, on Hurricane "Janet"" (PDF). United States Weather Bureau. Retrieved April 28, 2013.
^ ^a ^b "The Effects of Tropical Cyclones on the Southwestern United States" (PDF). NOAA Technical Memorandum. National Weather Service Western Region. August 1986. Retrieved July 1, 2013.
^ National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center (April 26, 2024). "The Northeast and North Central Pacific hurricane database 1949–2023". United States National Oceanic and Atmospheric Administration's National Weather Service. Archived from the original on May 29, 2024. A guide on how to read the database is available here. This article incorporates text from this source, which is in the public domain.
^ "40 People Reported Drowned". Las Vegas Daily Optic. United Press. October 18, 1955. p. 1.

[adv-1] United States Department of Commerce (1955). "Bulletins and Advisories Issued by Weather Bureau Airport Station, San Juan, Puerto Rico, Weather Bureau Office, Miami, Florida, and Weather Bureau Office, New Orleans, Louisiana, on Hurricane "Janet"" (PDF). United States Weather Bureau. Retrieved April 28, 2013.

[Tech_Memo-2] "The Effects of Tropical Cyclones on the Southwestern United States" (PDF). NOAA Technical Memorandum. National Weather Service Western Region. August 1986. Retrieved July 1, 2013.

[EPAC_HURDAT-3] National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center (April 26, 2024). "The Northeast and North Central Pacific hurricane database 1949–2023". United States National Oceanic and Atmospheric Administration's National Weather Service. Archived from the original on May 29, 2024. A guide on how to read the database is available here. This article incorporates text from this source, which is in the public domain.

[4] "40 People Reported Drowned". Las Vegas Daily Optic. United Press. October 18, 1955. p. 1.

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