Timeline of the 2015 Pacific hurricane season

Map plotting the track and intensity of all Central and Eastern Pacific tropical cyclones during 2015 according to the Saffir–Simpson hurricane wind scale
Track map of all East and Central Pacific tropical cyclones in 2015

The 2015 Pacific hurricane season was the second-most active year on record, and featured the strongest tropical cyclone ever observed in the Western Hemisphere: Hurricane Patricia.[1] The season officially started on May 15 in the eastern Pacific—east of 140°W—and on June 1 in the central Pacific—between the International Date Line and 140°W—and lasted until November 30. These dates typically cover the period of each year when most tropical cyclones form in the eastern Pacific basin.[2] The season's first storm, Hurricane Andres, developed on May 28; the season's final storm, Hurricane Sandra, degenerated on November 28.

Throughout the season, 31 tropical depressions developed, 26 of which became tropical storms, a record-tying 16 of them reached hurricane strength, and a record-breaking 11 achieved major hurricane intensity.[nb 1] Of the 11 major hurricanes, a record 9 formed within the Eastern Pacific proper. Activity in the Central Pacific shattered records, with 15 tropical cyclones forming in or entering the basin; the previous highest was 11 during the 1992 and 1994 seasons.[1] On October 23, Hurricane Patricia became the strongest hurricane ever recorded in the Western Hemisphere, with a minimum atmospheric pressure of 872 millibars and maximum sustained winds of 215 mph (345 km/h).

Four time zones are utilized in the basin: Central for storms east of 106°W, Mountain between 114.9°W and 106°W, Pacific between 140°W and 115°W,[4] and Hawaii–Aleutian for storms between the International Date Line and 140°W. However, for convenience, all information is listed by Coordinated Universal Time (UTC) first with the respective local time included in parentheses. This timeline includes information that was not operationally released, meaning that data from post-storm reviews by the National Hurricane Center is included. This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season.

Timeline of events

Hurricane Sandra (2015) Hurricane Patricia Hurricane Marty (2015) Hurricane Linda (2015) Typhoon Halola Hurricane Carlos (2015) Hurricane Blanca (2015) Saffir–Simpson hurricane wind scale

May

May 15
May 28
May 29
May 30
May 31
Andres as a Category 3 hurricane at 18:25 UTC on May 31

June

June 1
June 2
June 3
Hurricane Blanca as a Category 4 at 14:45 UTC on June 3
June 4
June 5
June 6
June 7
June 8
June 9
June 10
Map plotting the track and intensity of Hurricane Carlos according to the Saffir–Simpson hurricane wind scale
June 11
June 13
June 15
June 16
June 17

July

July 8
Tracks of Tropical Storms Halola (left), Iune (center), and Ela (right) across the Central Pacific basin during July; the Hawaiian islands are shown in the middle of the map.
July 9
July 10
July 11
July 12
July 13
July 14
Tropical Storm Enrique at 21:55 UTC on July 14, near its peak strength
July 15
July 16
Hurricane Dolores weakening to the southwest of Baja California, pictured at 18:35 UTC on July 16
July 17
July 18
July 23
July 24
July 27
July 29
July 30
July 31
Hurricane Guillermo at 19:30 UTC on July 31, around the time of its peak strength

August

August 2
August 3
August 6
August 7
August 8
Hilda as a Category 4 hurricane at 20:25 UTC on August 8
August 9
August 10
August 12
August 13
August 14
August 15
August 18
August 20
August 21
August 22
August 23
August 25
Hurricane Loke (top) and Tropical Depression Kilo (bottom) at 01:10 UTC on August 25
August 26
August 29
August 30
Hurricanes Kilo (left), Ignacio (center), and Jimena (right) at major hurricane strength on August 30. This was the first time that three such systems existed simultaneously over the Pacific Ocean east of International Dateline since reliable records began.[1]
August 31

September

September 1
September 3
September 5
September 6
September 7
September 8
Hurricane Linda at Category 3 strength at 21:10 UTC on September 8
September 9
September 10
September 18
September 21
September 22
September 25
September 26
September 28
September 29

October

October 3
October 4
October 6
Hurricane Oho at 23:10 UTC on October 6. The trough that steered the system northeast, away from Hawaii, can be seen north of the hurricane.
October 7
October 8
October 9
October 10
October 11
October 12
October 14
October 15
October 20
October 21
October 22
October 23
Hurricane Patricia approaching Mexico as a Category 5 hurricane at 17:30 UTC on October 23. Just minutes after this picture was taken, Hurricane Hunters observed the Western Hemisphere then-record-low pressure of 879 mbar (hPa; 25.96 inHg), but post-storm analysis concluded that the peak intensity had occurred several hours earlier.
October 24

November

November 18
November 19
November 22
November 23
Map plotting the track and intensity of Hurricane Sandra according to the Saffir–Simpson hurricane wind scale
November 24
November 25
November 26
November 27
November 28
November 30

December

December 31

See also

Notes

  1. ↑ A major hurricane is a storm that ranks as Category 3 or higher on the Saffir–Simpson hurricane wind scale.[3]
  2. ↑ The figures for maximum sustained winds and position estimates are rounded to the nearest five units (knots, miles, or kilometers), following the convention used in the National Hurricane Center's operational products for each storm. All other units are rounded to the nearest digit.

References

  1. 1 2 3 "Below-normal Atlantic hurricane season ends; active eastern and central Pacific seasons shatter records". National Oceanic and Atmospheric Administration. December 1, 2015. Retrieved December 6, 2015.
  2. 1 2 3 Christopher W. Landsea; Neal Dorst; Erica Rule (June 2, 2011). "G: Tropical Cyclone Climatology". Hurricane Research Division: Frequently Asked Questions. Atlantic Oceanographic and Meteorological Laboratory. National Oceanic and Atmospheric Administration. G1) When is hurricane season ?. Retrieved December 6, 2015.
  3. ↑ Lansea, Christopher W. (June 2, 2011). "A: Basic Definitions". In Dorst, Neal. Hurricane Research Division: Frequently Asked Questions. Atlantic Oceanographic and Meteorological Laboratory. National Oceanic and Atmospheric Administration. A3) What is a super-typhoon? What is a major hurricane ? What is an intense hurricane ?. Retrieved May 31, 2015.
  4. ↑ Robbie Berg (May 28, 2015). Tropical Depression One-E Discussion Number 1. National Hurricane Center (Report). Miami, Florida: National Oceanic and Atmospheric Administration. Retrieved June 27, 2015.
  5. 1 2 3 4 5 6 7 8 9 10 11 12 13 Michael J. Brennan (August 6, 2015). Hurricane Andres (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 6, 2015.
  6. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Richard J. Pasch & David P. Roberts (November 30, 2015). Hurricane Blanca (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 8, 2015.
  7. 1 2 Jeff Masters (June 8, 2015). "Tropical Storm Blanca Hits Baja a Month Earlier Than Their Previous Earliest Landfall". Weather Underground. Retrieved December 8, 2015.
  8. 1 2 3 4 5 6 7 8 9 10 John L. Beven II & Christopher W. Landsea (October 27, 2015). Hurricane Carlos (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 8, 2015.
  9. ↑ Stacy R. Stewart (July 7, 2015). Tropical Depression Four-E Public Advisory Number 1 (Advisory). Miami, Florida: National Hurricane Center. Retrieved July 7, 2015.
  10. ↑ Thomas R. Birchard (July 7, 2015). Tropical Depression Four-E Public Advisory Number 2 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  11. ↑ Thomas R. Birchard (July 9, 2015). Tropical Storm Ela Public Advisory Number 6 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  12. ↑ Robert T. Burke (July 9, 2015). Tropical Depression Ela Public Advisory Number 9 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 10, 2015.
  13. ↑ Thomas R. Birchard (July 9, 2015). Tropical Depression One-C Public Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 10, 2015.
  14. ↑ Thomas R. Birchard (July 9, 2015). Tropical Depression Two-C Public Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 10, 2015.
  15. ↑ Jonathon R. Jelsema & Thomas R. Birchard (July 10, 2015). Post-Tropical Cyclone Ela Public Advisory Number 11 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 10, 2015.
  16. ↑ Robert T. Burke (July 10, 2015). Tropical Storm Halola Public Advisory Number 4 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 10, 2015.
  17. 1 2 3 4 5 6 7 8 9 10 Todd B. Kimberlain (October 27, 2015). Hurricane Dolores (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 8, 2015.
  18. ↑ Peter V. Donaldson (July 11, 2015). Tropical Storm Iune Public Advisory Number 7 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 11, 2015.
  19. ↑ Christopher Jacobson & Samuel H. Houston (July 12, 2015). Tropical Storm Halola Public Advisory Number 9 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  20. 1 2 3 4 5 Daniel P. Brown (September 16, 2015). Tropical Storm Enrique (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 8, 2015.
  21. ↑ Derek R. Wroe (July 12, 2015). Tropical Storm Halola Public Advisory Number 11 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 12, 2015.
  22. ↑ Kevin Kodama (July 12, 2015). Tropical Depression Iune Public Advisory Number 11 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 13, 2015.
  23. ↑ Jeffrey Powell (July 13, 2015). Post-Tropical Cyclone Iune Public Advisory Number 14 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 13, 2015.
  24. 1 2 3 4 John P. Cangialosi (September 3, 2015). Tropical Storm Felicia (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 8, 2015.
  25. 1 2 Robbie Berg (September 9, 2015). Tropical Depression Eight-E (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 9, 2015.
  26. 1 2 3 4 5 6 7 8 9 10 Lixion A. Avila (September 29, 2015). Hurricane Guillermo (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 8, 2015.
  27. 1 2 3 4 5 6 7 8 9 10 11 12 Eric S. Blake (October 29, 2015). Hurricane Hilda (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 9, 2015.
  28. 1 2 http://www.nhc.noaa.gov/archive/2015/ep11/ep112015.public.001.shtml?
  29. ↑ Kevin Kodama (August 20, 2015). Tropical Depression Three-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  30. ↑ Jeffrey Powell (August 21, 2015). Tropical Depression Four-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 14, 2015.
  31. ↑ Thomas R. Birchard (August 20, 2015). Tropical Storm Kilo Advisory Number 4 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  32. ↑ Jeffrey Powell (August 21, 2015). Tropical Storm Loke Advisory Number 4 (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  33. ↑ Kevin Kodama (August 22, 2015). Tropical Depression Kilo Advisory Number 6 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  34. ↑ Christopher Jacobson & Samuel H. Houston (August 22, 2015). Tropical Depression Loke Advisory Number 7 (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  35. ↑ Kevin Kodama (August 23, 2015). Tropical Storm Loke Advisory Number 9 (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  36. ↑ Peter V. Donaldson (August 25, 2015). Hurricane Loke Intermediate Advisory Number 16A (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  37. ↑ Derek R. Wroe (August 25, 2015). Hurricane Loke Advisory Number 18 (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  38. ↑ Peter V. Donaldson (August 25, 2015). Tropical Storm Loke Advisory Number 20 (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  39. ↑ Robert Ballard (August 26, 2015). Tropical Storm Kilo Advisory Number 25 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  40. ↑ Robert Ballard (August 26, 2015). Tropical Storm Kilo Discussion Number 25 (Report). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  41. ↑ Peter V. Donaldson (August 26, 2015). Tropical Storm Loke Advisory Number 24 (Advisory). Central Pacific Hurricane Center. Retrieved December 14, 2015.
  42. ↑ Peter V. Donaldson (August 29, 2015). Hurricane Kilo Advisory Number 35 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  43. ↑ Kevin Kodama (August 29, 2015). Hurricane Kilo Advisory Number 37 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  44. ↑ Kevin Kodama (August 30, 2015). Hurricane Kilo Advisory Number 38 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  45. ↑ Peter V. Donaldson (August 30, 2015). Hurricane Kilo Advisory Number 39 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  46. ↑ Kevin Kodama (August 30, 2015). Hurricane Kilo Advisory Number 41 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  47. ↑ Samuel H. Houston (August 31, 2015). Hurricane Kilo Advisory Number 43 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  48. 1 2 3 4 5 Todd B. Kimberlain (November 28, 2015). Tropical Storm Kevin (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 9, 2015.
  49. ↑ Kevin Kodama (September 1, 2015). Hurricane Kilo Advisory Number 46 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  50. ↑ Typhoon 03C (Kilo) Warning Nr 049. Joint Typhoon Warning Center (Report). Pearl Harbor, Hawaii: United States Navy. September 1, 2015. Archived from the original on September 1, 2015. Retrieved December 23, 2015.
  51. 1 2 3 4 5 6 7 8 9 Daniel P. Brown (November 12, 2015). Hurricane Linda (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 9, 2015.
  52. ↑ Derek R. Wroe (September 18, 2015). Tropical Depression Five-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  53. ↑ Samuel H. Houston (September 21, 2015). Tropical Storm Malia Special Advisory Number 11 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  54. ↑ Samuel H. Houston (September 21, 2015). Tropical Storm Malia Advisory Number 12 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  55. ↑ Kevin Kodama (September 22, 2015). Post-Tropical Cyclone Malia Advisory Number 17 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  56. ↑ Kevin Kodama (September 25, 2015). Tropical Depression Six-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  57. ↑ Samuel H. Houston (September 25, 2015). Tropical Storm Niala Advisory Number 3 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  58. ↑ Jeffrey Powell (September 26, 2015). Tropical Storm Niala Advisory Number 8 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  59. ↑ Jeffrey Powell (September 28, 2015). Tropical Depression Niala Advisory Number 15 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  60. ↑ Thomas R. Birchard (September 29, 2015). Post-Tropical Cyclone Niala Advisory Number 17 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 23, 2015.
  61. ↑ Thomas R. Birchard (October 3, 2015). Tropical Depression Seven-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  62. ↑ Thomas R. Birchard (October 3, 2015). Tropical Depression Seven-C Discussion Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  63. ↑ Thomas R. Birchard (October 3, 2015). Tropical Storm Oho Advisory Number 2 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  64. ↑ Christopher Jacobson (October 3, 2015). Tropical Depression Eight-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  65. ↑ Christopher Jacobson (October 4, 2015). Post-Tropical Cyclone Eight-C Advisory Number 5 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  66. ↑ Samuel H. Houston (October 6, 2015). Hurricane Oho Advisory Number 14 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  67. ↑ Samuel H. Houston (October 7, 2015). Hurricane Oho Advisory Number 17 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  68. ↑ Samuel H. Houston (October 7, 2015). Hurricane Oho Advisory Number 18 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  69. ↑ Peter V. Donaldson (October 8, 2015). Hurricane Oho Advisory Number 20 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  70. ↑ Jeffrey Powell (October 8, 2015). Post-Tropical Cyclone Oho Advisory Number 22 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved December 11, 2015.
  71. 1 2 3 4 5 6 Lixion A. Avila (December 8, 2015). Tropical Storm Nora (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved December 9, 2015.
  72. 1 2 3 4 5 6 7 8 9 10 11 Todd B. Kimberlain; Eric S. Blake & John P. Cangialosi (February 4, 2016). Hurricane Patricia (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved February 9, 2016.
  73. ↑ Eric S. Blake & Stacy R. Stewart (October 24, 2015). Hurricane Patricia Advisory Number 17 (Advisory). Miami, Florida: National Hurricane Center. Retrieved February 9, 2016.
  74. 1 2 3 4 John L. Beven II (January 20, 2016). Tropical Storm Rick (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved February 9, 2016.
  75. 1 2 3 4 5 6 7 8 9 10 John L. Beven II (January 29, 2016). Hurricane Sandra (PDF) (Report). Tropical Cyclone Report. Miami, Florida: National Hurricane Center. Retrieved February 9, 2016.
  76. ↑ Jeffrey Powell (December 31, 2015). Tropical Depression Nine-C Advisory Number 1 (Advisory). Honolulu, Hawaii: Central Pacific Hurricane Center. Retrieved July 26, 2016.
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Preceded by
2014		 Pacific hurricane season timelines
2015 		Succeeded by
2016
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