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Timeline of the 2018 Pacific hurricane season

2018 Pacific hurricane season
2018 Pacific hurricane season summary map.png
Season summary map
Season boundaries
First system formedMay 10, 2018
Last system dissipatedNovember 5, 2018
Strongest system
NameWalaka
Maximum winds160 mph (260 km/h)
(1-minute sustained)
Lowest pressure920 mbar (hPa; 27.17 inHg)
Longest lasting system
NameSergio
Duration13.50 days
Storm articles
Other years
2016, 2017, 2018, 2019, 2020

The 2018 Pacific hurricane season was an event in the annual cycle of tropical cyclone formation, in which tropical cyclones form in the eastern Pacific Ocean. The season officially started on May 15 in the eastern Pacific—east of 140°W—and began on June 1 in the central Pacific—between the International Date Line and 140°W, and ended on November 30. These dates typically cover the period of each year when most tropical cyclones form in the eastern Pacific basin.[1]

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,[2] 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 WillaHurricane WalakaHurricane Olivia (2018)Hurricane Lane (2018)Hurricane Hector (2018)Tropical Storm Carlotta (2018)Hurricane Bud (2018)Saffir–Simpson scale

May

May 10

May 11

May 13

  • 18:00 UTC (11:00 a.m. PDT) One-E's remnants dissipate nearly 1,500 mi (2,335 km) west-southwest of the southern tip of the Baja California Peninsula.[3]

May 15

  • The 2018 Eastern Pacific hurricane season officially begins.[1]

June

June 1

  • The 2018 Central Pacific hurricane season officially begins.[1]
Aletta as a Category 4 hurricane on June 8

June 6

June 7

June 8

June 9

June 10

Hurricane Bud intensifying off the coast of Mexico on June 11

June 11

June 12

June 13

Tropical Storm Carlotta paralleling the coast of Mexico on June 16

June 14

June 15

June 16

  • 06:00 UTC (12:00 a.m. MDT) – Aletta's remnants dissipate, while located about 420 mi (680 km) southwest of Socorro Island. [4]
    (12:00 a.m. MDT) – Bud's remnants dissipate, while located more than 35 miles (55 km) southwest of Huatabampito, Mexico.[5]

June 17

June 19

Tropical Storm Daniel on June 24 at peak intensity

June 24

June 25

June 26

June 27

June 28

June 29

June 30

July

July 1

Hurricane Fabio near peak intensity on July 3

July 2

July 3

July 4

July 5

July 6

July 9

  • 12:00 UTC (5:00 a.m. PDT) – Fabio's remnants dissipate more than 1,840 miles (2,960 km) west of the southern tip of the Baja California Peninsula.[9]

July 26

July 27

July 28

  • 00:00 UTC (5:00 p.m. PDT July 27) – Tropical Depression Nine-E dissipates roughly 1,210 miles (1,945 km) southeast of Hilo, Hawaii.[11]

July 29

July 31

August

August 1

August 2

August 3

August 4

Hector as a high-end Category 4 hurricane on August 6

August 5

September

October

November

November 2

November 3

November 4

November 6

November 9

  • 06:00 UTC (11:00 p.m. MST November 8) – Xavier's remnants dissipate while located more than 345 mi (555 km/h) west-southwest of Socorro Island.[14]

November 30

  • The 2018 Pacific hurricane season officially ended.[1]

Notes

α This value is an operational intensity for a storm within the National Hurricane Center's area of responsibility and is subject to change in the post storm analysis.
β This value is an operational intensity for a storm within the Central Pacific Hurricane Center's area of responsibility and is subject to change in the post storm analysis.

See also

References

  1. ^ a b c d 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 May 28, 2018.
  2. ^ Robbie J. Berg (May 28, 2015). Tropical Depression One-E Discussion Number 1 (Report). Miami, Florida: National Hurricane Center. Retrieved May 28, 2018.
  3. ^ a b c d Berg, Robbie (12 July 2018). Tropical Cyclone Report: Tropical Depression One-E (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 26 March 2019.
  4. ^ a b c d e f g h i j k l Avila, Lixion A. (31 July 2018). Tropical Cyclone Report: Hurricane Aletta (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 26 March 2019.
  5. ^ a b c d e f g h i j k l Blake, Eric S. (24 October 2018). Tropical Cyclone Report: Hurricane Bud (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 27 March 2019.
  6. ^ a b c d e f Pasch, Richard J. (19 December 2018). Tropical Cyclone Report: Tropical Storm Carlotta (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  7. ^ a b c d e f Beven II, John L. (11 February 2019). Tropical Cyclone Report: Tropical Storm Daniel (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  8. ^ a b c d e f Stewart, Stacy R. (21 August 2018). Tropical Cyclone Report: Tropical Storm Emilia (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  9. ^ a b c d e f g h i Brown, Daniel P. (14 November 2018). Tropical Cyclone Report: Hurricane Fabio (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  10. ^ a b c d e f Cangialosi, John P. (6 November 2018). Tropical Cyclone Report: Tropical Storm Gilma (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  11. ^ a b Zelinsky, David A. (24 August 2018). Tropical Cyclone Report: Tropical Depression Nine-E (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  12. ^ a b c d e f g h Berg, Robbie (26 October 2018). Tropical Cyclone Report: Hurricane Hector (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  13. ^ a b Avila, Lixion A. (9 November 2018). Tropical Cyclone Report: Tropical Storm Ileana (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 28 March 2019.
  14. ^ a b c d e Brown, Daniel P. (8 February 2019). Tropical Cyclone Report: Tropical Storm Xavier (PDF). National Hurricane Center (Report). National Oceanic and Atmospheric Administration. Retrieved 27 March 2019.

External links

Preceded by
2017
Pacific hurricane season timelines
2018
Succeeded by
2019