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2017 Pacific hurricane season
2017 Pacific hurricane season summary map
Season summary map
Seasonal boundaries
First system formed May 9, 2017
Last system dissipated October 28, 2017
Strongest storm
Name Fernanda
 • Maximum winds 145 mph (230 km/h)
 • Lowest pressure 947 mbar (hPa; 27.97 inHg)
Seasonal statistics
Total depressions 20
Total storms 18
Hurricanes 9
Major hurricanes
(Cat. 3+)
4
Total fatalities 46 total
Total damage $16.7 million (2017 USD)
Related article
Pacific hurricane seasons
2015, 2016, 2017, 2018, 2019
The 2017 Pacific hurricane season was a near average season, featuring eighteen named storms, nine hurricanes, and four major hurricanes, although, the season was significantly less active than the previous three seasons, and most of these storms were weak and short-lived. The season officially started on May 15 in the eastern Pacific, and on June 1 in the central Pacific; they both ended on November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the two basins. However, the formation of tropical cyclones is possible at any time of the year. This was demonstrated when the first storm, Tropical Storm Adrian, was named on May 10, and became the earliest-known tropical storm in the Eastern Pacific. The season saw near-average activity in terms of ACE, in stark contrast to the extremely active seasons in 2014, 2015, and 2016; for the first time since 2012, no tropical cyclones formed in the Central Pacific basin. However, for the third year in a row, the season featured above-average activity in July, with the ACE value being the fifth highest for the month.

Seasonal summary

Saffir–Simpson hurricane wind scale

Storms

Tropical Storm Adrian

Tropical storm (SSHWS)
Adrian 2017-05-09 1912Z.jpg Adrian 2017 track.png
Duration May 9 – May 11
Peak intensity 45 mph (75 km/h) (1-min)  1004 mbar (hPa)

On May 5, the National Hurricane Center forecasted an area of low pressure to form south of Mexico over a few days, with tropical cyclone development possible thereafter. A broad circulation developed late on May 7, eventually forming into Tropical Depression One-E at 21:00 UTC on May 9. As it formed, it became the earliest-forming Eastern Pacific tropical cyclone on record, beating Hurricane Alma of 1990 which formed on May 12. It later intensified into Tropical Storm Adrian at 03:00 UTC on May 10, the earliest-known formation of a named storm in the Eastern Pacific since the start of the satellite era. It was originally forecast to become a strong hurricane, but after peaking at 45 mph on early May 10, an increase in wind shear quickly stripped and degenerated Adrian and became a remnant low at 00:00 UTC on May 11. The remnant low survived for another day before dissipating completely on May 12.

Tropical Storm Beatriz

Tropical storm (SSHWS)
Beatriz 2017-06-01 1710Z.jpg Beatriz 2017 track.png
Duration May 31 – June 2
Peak intensity 45 mph (75 km/h) (1-min)  1002 mbar (hPa)

Beatriz's origins can be traced back to a tropical wave that left the coast of west Africa on May 18, that uneventfully crossed the Atlantic; entering the East Pacific around a week later. It started to steadily organize and was dubbed, Tropical Depression Two-E at 12:00 UTC on May 31. It started to move northeast and intensified to Tropical Storm Beatriz at 06:00 UTC on June 1. It attained a peak of 45 mph (75 km/h), and then made landfall around 00:00 UTC on June 2 about 25 miles west of Puerto Angel, Mexico. After landfall, the mountains in Mexico quickly shredded Beatriz and dissipated twelve hours later.

In the end, 7 deaths occurred between the states of Oaxaca and Tehuantepec and a total of 70 million pesos ($3.7 Million USD) in damages occurred between Beatriz and Tropical Storm Calvin.

Tropical Storm Calvin

Tropical storm (SSHWS)
Calvin 2017-06-12 2000Z.jpg Calvin 2017 track.png
Duration June 11 – June 13
Peak intensity 40 mph (65 km/h) (1-min)  1005 mbar (hPa)

As June progressed, the NHC forecast another broad low pressure system to develop south of Mexico over several days, and on June 9 and a tropical disturbance formed, where it continued to develop into Tropical Depression Three-E at 12:00 UTC on June 11, it organized slowly because of moderate easterly wind shear as it slowly moved northwestward. At 18:00 UTC on June 12, Three-E intensified into Tropical Storm Calvin. It continued to intensify briefly to peak at 45 mph (75 km/h), and then made landfall between Salina Cruz and Puerto Angel, Mexico at 00:00 UTC on June 13. 12 hours later, Calvin dissipated and the remnants caused some minor flooding and heavy rainfall, however no fatalities occurred.

Hurricane Dora

Category 2 hurricane (SSHWS)
800px-Dora 2017-06-26 2020Z.jpg Dora 2017 track.png
Duration June 24 – June 28
Peak intensity 105 mph (165 km/h) (1-min)  974 mbar (hPa)

Around June 21, a trough developed and started to drift around south of the Gulf of Tehuantepec for a couple days. On June 23, the remnants of Bret from the Atlantic merged with the trough, and a surface low formed early on June 24. It started getting organized and developed into Tropical Depression Four-E at 18:00 UTC. It drifted west-northwestward and at 06:00 UTC on June 25, Four-E intensified into Tropical Storm Dora. Dora then entered an area of favorable conditions, and started to undergo rapid intensification as a result, becoming a Category 1 hurricane at 06:00 UTC on June 26 and a Category 2 hurricane at 12:00 UTC. Dora later peaked with winds of 105 mph (165 km/h) and a minimum pressure of 974 mbar (28.8 inHg) at 18:00 UTC on June 26.

Dora maintained Category 2 strength for 12 more hours before entering a more hostile environment of cool sea temperatures and dry air. It slowly deteriorated and degenerated into a remnant low near Socorro Island on June 28. It continued to meander around the eastern Pacific until it completely dissipated on July 1. Damages were minor, but the outer bands brought heavy rains to Guerrero, Mexico which caused flooding problems.

Hurricane Eugene

Category 3 hurricane (SSHWS)
Eugene 2017-07-09 1815Z.jpg Eugene 2017 track.png
Duration July 7 – July 12
Peak intensity 115 mph (185 km/h) (1-min)  965 mbar (hPa)

On July 7, a disturbance south of the tip of the Baja California Peninsula developed into Tropical Depression Five-E, and six hours later intensified into Tropical Storm Eugene. On July 8, the new tropical storm began to undergo rapid intensification and from 21:00 UTC on July 8 to 15:00 UTC on July 9, Eugene went from winds of 70 mph to 115 mph; which made it the first major hurricane of the season. Then, at 03:00 UTC the next day, dry air started to impact Eugene, and weakened to a Category 2 hurricane as a result. The next day, Eugene started experiencing cooler waters and weakened to a tropical storm the next day. Convection continued to die off, and Eugene weakened to a tropical depression at 15:00 UTC on July 12, and six hours later, degenerated to a remnant low.

Hurricane Fernanda

Category 4 hurricane (SSHWS)
06E Fernanda 2017.png Fernanda 2017 track.png
Duration July 12 – July 22
Peak intensity 145 mph (230 km/h) (1-min)  947 mbar (hPa)

Tropical Depression Eight-E

Tropical depression (SSHWS)
08E 2017-07-18 1805Z.jpg 08E 2017 track.png
Duration July 18 – July 20
Peak intensity 35 mph (55 km/h) (1-min)  1007 mbar (hPa)

Tropical Storm Greg

Tropical storm (SSHWS)
Greg 2017-07-20 Aqua.jpg Greg Pacific 2017 track.png
Duration July 17 – July 26
Peak intensity 60 mph (95 km/h) (1-min)  1001 mbar (hPa)

Hurricane Hilary

Category 2 hurricane (SSHWS)
Hilary 2017-07-25 2015Z.jpg Hilary 2017 track.png
Duration July 21 – July 31
Peak intensity 105 mph (165 km/h) (1-min)  972 mbar (hPa)

Hurricane Irwin

Category 1 hurricane (SSHWS)
Irwin 2017-07-25 1815Z.jpg Irwin 2017 track.png
Duration July 22 – August 1
Peak intensity 90 mph (150 km/h) (1-min)  980 mbar (hPa)

Tropical Depression Eleven-E

Tropical depression (SSHWS)
11E 2017-08-04 2015Z.jpg 11E 2017 track.png
Duration August 4 – August 5
Peak intensity 35 mph (55 km/h) (1-min)  1006 mbar (hPa)

Tropical Storm Jova

Tropical storm (SSHWS)
Jova 2017-08-11 Suomi NPP.jpg Jova 2017 track.png
Duration August 12 – August 14
Peak intensity 40 mph (65 km/h) (1-min)  1003 mbar (hPa)

Hurricane Kenneth

Category 4 hurricane (SSHWS)
Kenneth 2017-08-21 1015Z.jpg Kenneth 2017 track.png
Duration August 18 – August 23
Peak intensity 130 mph (215 km/h) (1-min)  952 mbar (hPa)

Tropical Storm Lidia

Tropical storm (SSHWS)
Lidia 2017-08-31 2024Z.jpg Lidia 2017 track.png
Duration August 31 – September 3
Peak intensity 65 mph (100 km/h) (1-min)  987 mbar (hPa)

Hurricane Otis

Category 3 hurricane (SSHWS)
Otis 2017-09-17 1915Z.jpg Otis 2017 track.png
Duration September 11 – September 19
Peak intensity 115 mph (185 km/h) (1-min)  965 mbar (hPa)

Hurricane Max

Category 1 hurricane (SSHWS)
Max 2017-09-14 1705Z.jpg Max 2017 track.png
Duration September 13 – September 15
Peak intensity 85 mph (140 km/h) (1-min)  985 mbar (hPa)

Hurricane Norma

Category 1 hurricane (SSHWS)
Norma 2017-09-15 2055Z.jpg Norma 2017 track.png
Duration September 14 – September 20
Peak intensity 75 mph (120 km/h) (1-min)  985 mbar (hPa)

Tropical Storm Pilar

Tropical storm (SSHWS)
Pilar 2017-09-24 1740Z.jpg Pilar 2017 track.png
Duration September 23 – September 25
Peak intensity 45 mph (75 km/h) (1-min)  1002 mbar (hPa)

Tropical Storm Ramon

Tropical storm (SSHWS)
Ramon 2017-10-04 1945Z.jpg Ramon 2017 track.png
Duration October 3 – October 4
Peak intensity 45 mph (75 km/h) (1-min)  1002 mbar (hPa)

Tropical Storm Selma

Tropical storm (SSHWS)
Selma 2017-10-27 1950Z.jpg Selma 2017 track.png
Duration October 27 – October 28
Peak intensity 40 mph (65 km/h) (1-min)  1004 mbar (hPa)

Storm names

The following names were used for named storms that formed in the northeastern Pacific Ocean during 2017. No names were retired after this season, so this list will be used again in the 2023 season. This same list was used in the 2011 season.

  • Ramon
  • Selma
  • Todd (unused)
  • Veronica (unused)
  • Wiley (unused)
  • Xina (unused)
  • York (unused)
  • Zelda (unused)

For storms that form in the Central Pacific Hurricane Center's area of responsibility, encompassing the area between 140 degrees west and the International Date Line, all names are used in a series of four rotating lists. The next four names that were slated for use in 2017 are shown below, however none of them were used.

  • Walaka (unused)
  • Akoni (unused)
  • Ema (unused)
  • Hone (unused)

Season effects

This is a table of all the storms that formed in the 2017 Pacific hurricane season. It includes their duration, names, landfall(s), denoted in parentheses, damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all the damage figures are in 2017 USD.

Saffir–Simpson hurricane wind scale
TD TS C1 C2 C3 C4 C5
2017 Pacific hurricane statistics
Storm
name
Dates active Storm category

at peak intensity

Max 1-min
wind
mph (km/h)
Min.
press.
(mbar)
Areas affected Damage
(millions USD)
Deaths


Adrian May 9 – 10 Tropical storm 45 (75) 1004 None None None
Beatriz May 31 – June 2 Tropical storm 45 (75) 1001 Southwestern Mexico $3.9 million 7
Calvin June 11 – 13 Tropical storm 45 (75) 1004 Southwestern Mexico, Guatemala Unknown None
Dora June 25 – 28 Category 2 hurricane 105 (165) 974 Southwestern Mexico, Revillagigedo Islands Minimal None
Eugene July 7 – 12 Category 3 hurricane 115 (185) 966 Baja California Peninsula, California None None
Fernanda July 12 – 22 Category 4 hurricane 145 (230) 948 Hawaii None None
Eight-E July 17 – 20 Tropical depression 35 (55) 1007 None None None
Greg July 17 – 26 Tropical storm 60 (95) 1001 None None None
Hilary July 21 – 30 Category 2 hurricane 110 (175) 969 Southwestern Mexico None None
Irwin July 22 – August 1 Category 1 hurricane 90 (150) 979 None None None
Eleven-E August 4 – 5 Tropical depression 35 (55) 1006 Revillagigedo Islands None None
Jova August 12 – 14 Tropical storm 40 (65) 1003 Western Mexico, Revillagigedo Islands None None
Kenneth August 18 – 23 Category 4 hurricane 130 (215) 951 None None None
Lidia August 31 – September 3 Tropical storm 65 (100) 986 Revillagigedo Islands, Western Mexico, Baja California Peninsula, Arizona, California Unknown 18 (2)
Otis September 11 – 19 Category 3 hurricane 115 (185) 965 None None None
Max September 13 – 15 Category 1 hurricane 90 (150) 980 Southern Mexico $13 million 2
Norma September 14 – 20 Category 1 hurricane 75 (120) 985 Revillagigedo Islands, Baja California Peninsula Minimal None
Pilar September 23 – 25 Tropical storm 50 (85) 1000 Western Mexico Unknown None
Ramon October 3 – 4 Tropical storm 45 (75) 1002 Southern Mexico None None
Selma October 27 – 28 Tropical storm 40 (65) 1004 Nicaragua, Costa Rica, El Salvador, Guatemala, Honduras Unknown 17
Season Aggregates
20 cyclones May 9 –
October 28
  145 (230) 948 >$16.7 million 44 (2)

See also

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