1929 Pacific hurricane season

The 1929 Pacific hurricane season ran through the summer and fall of 1929. Before the satellite age started in the 1960s, data on east Pacific hurricanes was extremely unreliable. Most east Pacific storms were of no threat to land.

1929 Pacific hurricane season
Seasonal boundaries
First system formedMarch 20, 1929
Last system dissipatedSeptember 23, 1929
Strongest storm
NameSeven
 • Lowest pressure957 mbar (hPa; 28.26 inHg)
Seasonal statistics
Total storms9
Hurricanes3
Total fatalitiesUnknown
Total damageUnknown
Related articles

Systems

Hurricane One

A "tropical hurricane" made a clockwise loop near Johnston Island between March 20 and 24.[1]

Tropical Cyclone Two

A tropical cyclone existed from May 29 to June 1. Starting from a location southwest of the Gulf of Tehuantepec, it traveled west-northwestward not far off the Mexican shore. A ship recorded its lowest known pressure of 29.21 inHg (98.9 kPa).[2]

Tropical Cyclone Three

A cyclone existed southwest of Acapulco on June 16 and 17. It produced gales, and a ship reported a pressure reading of 29.66 inHg (100.4 kPa).[3]

Hurricane Four

On August 2, a tropical cyclone formed near the Mexican coast. It eventually became a hurricane, and was last seen on August 6. The lowest pressure reported in association with this system was 28.80 inHg (97.5 kPa).[4]

Possible Tropical Cyclone Five

On August 21 and 22, a ship encountered a possible tropical cyclone at a location far from land and almost in the central Pacific basin. The lowest pressure reported by a ship was 29.42 inHg (99.6 kPa).[4]

Tropical Cyclone Six

On August 28, this cyclone moved along the coast, and passed over the southern tip of the Baja California Peninsula around August 31.[4]

Hurricane Seven

On September 10, a tropical cyclone formed in the Gulf of Tehuantepec. It moved along the coast, and was a hurricane by September 13.[5] It moved along the Pacific side of the Baja California Peninsula, and became a remnant off its northern coast on September 16.[6] Its remnants subsequently moved inland, and dissipated around September 18. The lowest pressure measured in association with this tropical cyclone was 28.28 inHg (95.8 kPa).[5]

This tropical cyclone inflicted gale or hurricane-force winds along parts of the coast of Mexico, including Manzanillo, Acapulco, and Mazatlán.[7] On September 18, its remnants caused rain of up to 4 inches (100 mm) in mountainous parts of Southern California.[8] An unseasonal warming was also attributed to this cyclone. It was also responsible for the strongest September winds ever recorded in San Diego up to that time.[9]

Somewhere between Manzanillo and Acapulco, a tropical cyclone might have existed on September 19.[10]

Tropical Cyclone Nine

On September 23, a tropical cyclone was located southeast of the Gulf of Tehuantepec. It was last observed the next day. A ship reported a pressure of 29.56 inHg (100.1 kPa).[10]

Other systems

In March 20 until March 22, there is a cyclone of "near tropical in nature" west of Hawaiian Islands, and with pressures as low as 29.18 inHg (98.8 kPa). It is unknown whether that cyclone is a tropical cyclone or subtropical cyclone.[11]

See also

References
  1. United States Weather Bureau (1947). Pressure Center Tracks From the 1300 GMT Northern Hemisphere Sea Level Pressure Maps. Tracks of Lows 1929-1933.
  2. Hurd, Willis (May 1929). "North Pacific Ocean" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  3. Hurd, Willis (June 1929). "North Pacific Ocean" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  4. Hurd, Willis (August 1929). "North Pacific Ocean" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  5. Hurd, Willis (September 1929). "The Mexican West Coast Hurricane of September 10–18" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  6. "A History of Significant Weather Events in Southern California" (PDF). National Weather Service Forecast Office San Diego. January 2007. Retrieved 2011-01-18.
  7. Blake, Dean (November 1929). "A Tropical Cyclone in Southern California" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  8. Williams, Jack (2005-05-17). "Background: California's tropical storms". USA Today. Retrieved 2011-01-18.
  9. Blake, Dean (December 1935). "Mexican West Coast Cyclones" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  10. Hurd, Willis (September 1929). "North Pacific Ocean" (PDF). Monthly Weather Review. Retrieved 2011-01-18.
  11. Hurd, Willis (September 1929). "North Pacific Ocean" (PDF). Monthly Weather Review. Retrieved 2020-10-06.
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