Timeline of the 2023 Pacific hurricane season

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Timeline of the
2023 Pacific hurricane season
300px
Season summary map
Season boundaries
First system formed June 27, 2023
Last system dissipated Season ongoing
Strongest system
Name Dora
Maximum winds 145 mph (230 km/h)
Lowest pressure 942 mbar (hPa; 27.82 inHg)
Longest lasting system
Name Dora
Duration 8 days
Storm articles
Other years
2021, 2022, 2023, 2024, 2025

The 2023 Pacific hurricane season is the current tropical cyclone season in the Pacific Ocean east of the International Date Line (IDL) in the Northern Hemisphere. It officially began on May 15 in the eastern Pacific (east of 140°W), and on June 1 in the central Pacific (from the IDL east to 140°W); it will end in both on November 30. These dates, adopted by convention, historically describe the period in each year when most tropical cyclogenesis occurs in these regions of the Pacific.[1] The season's first system, Tropical Storm Adrian, developed on June 27.

This timeline documents tropical cyclone formations, strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. It includes information that was not released throughout the season, meaning that data from post-storm reviews by the National Hurricane Center, such as a storm that was not initially warned upon, has been included.

By convention, meteorologists use one time zone when issuing forecasts and making observations: Coordinated Universal Time (UTC), and also use the 24-hour clock (where 00:00 = midnight UTC).[2] Tropical cyclone advisories in the Eastern North Pacific basin use both UTC and the nautical time zone where the center of the tropical cyclone is currently located. Time zones utilized (east to west) are: Central, Mountain, Pacific and Hawaii. In this timeline, all information is listed by UTC first, with the respective regional time zone included in parentheses. Additionally, figures for maximum sustained winds and position estimates are rounded to the nearest 5 units (knots, miles, or kilometers), following National Hurricane Center practice. Direct wind observations are rounded to the nearest whole number. Atmospheric pressures are listed to the nearest millibar and nearest hundredth of an inch of mercury.

Timeline

May

  • No tropical cyclones form in the Eastern Pacific basin during the month of May.

May 15

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

June

June 1

  • The Central Pacific hurricane season officially begins.[1]

June 27

  • 21:00 UTC (3:00 p.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Adrian forms about 280 mi (450 km) south-southwest of Manzanillo, Colima.[3]

June 28

  • 15:00 UTC (9:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Adrian strengthens into a Category 1 hurricane about 360 mi (580 km) southwest of Manzanillo.[4]

June 29

File:Adrian and Beatriz 2023-06-29 2220Z.jpg
Hurricane Adrian (left) and Tropical Storm Beatriz (right) off the southwestern coast of Mexico on June 29
  • 09:00 UTC (4:00 a.m. CDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Two‑E forms about 145 mi (235 km) southwest of Puerto Ángel, Oaxaca.[nb 1][6]
  • 21:00 UTC (4:00 p.m. CDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Two‑E strengthens into Tropical Storm Beatriz about 105 mi (170 km) south-southwest of Punta Maldonado, Guerrero.[7]

June 30

  • 09:00 UTC (3:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Adrian intensifies to Category 2 strength about 445 mi (715 km) south-southwest of the southern tip of the Baja California peninsula.[8]
  • 15:00 UTC (10:00 a.m. CDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Beatriz strengthens into a Category 1 hurricane about 50 mi (80 km) south of Lázaro Cárdenas, Michoacán.[9]

July

July 1

  • 00:00 UTC (7:00 p.m. CDT, June 30) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Beatriz reaches peak intensity with maximum sustained winds of 75 kn (85 mph; 140 km/h)[convert: %s]%s and a minimum central pressure of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)., about 70 mi (130 km) southeast of Manzanillo, Colima.[10]
  • 03:00 UTC (9:00 p.m. MDT, June 30) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Adrian weakens to Category 1 strength about 405 mi (650 km) southwest of the southern tip of the Baja California peninsula.[11]
  • 09:00 UTC (4:00 a.m. CDT) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Beatriz weakens to a tropical storm about 60 mi (95 km) west-northwest of Manzanillo.[12]
  • 15:00 UTC (9:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Adrian weakens to a tropical storm about 430 mi (690 km) southwest of the southern tip of the Baja California peninsula.[13]
  • 18:00 UTC (12:00 p.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Beatriz dissipates about 60 mi (95 km) west-northwest of Cabo Corrientes, Jalisco.[14]

July 2

  • 09:00 UTC (2:00 a.m. PDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Adrian weakens to a tropical depression about 470 mi (755 km) west-southwest of the southern tip of the Baja California peninsula.[15]
  • 21:00 UTC (2:00 p.m. PDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Adrian degenerates into a remnant low about 530 mi (855 km) west-southwest of the southern tip of the Baja California peninsula.[16]

July 11

  • 21:00 UTC (3:00 p.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Three‑E forms about 510 mi (820 km) south-southwest of Manzanillo, Colima.[17]

July 12

  • 09:00 UTC (3:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Three‑E strengthens into Tropical Storm Calvin about 725 mi (1,165 km) south of the southern tip of the Baja California peninsula.[18]

July 13

  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Calvin stengthens into a Category 1 hurricane about 850 mi (1,370 km) southwest of the southern tip of the Baja California peninsula.[19]

July 14

File:Calvin 2023-07-14 1840Z.jpg
Hurricane Calvin near peak intensity on July 14
  • 03:00 UTC (5:00 p.m. HST, July 13) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Calvin intensifies to Category 2 strength about 905 mi (1,455 km) southwest of the southern tip of the Baja California peninsula.[20]
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Calvin intensifies to Category 3 strength about 1,080 mi (1,740 km) southwest of the southern tip of the Baja California peninsula.[21]
  • 21:00 UTC (11:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Calvin reaches peak intensity with maximum sustained winds of 110 kn (125 mph; 205 km/h)[convert: %s]%s and a minimum central pressure of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)., about 1,150 mi (1,850 km) west-southwest of the southern tip of the Baja California peninsula.[22]

July 15

  • 09:00 UTC (11:00 p.m. HST, July 14) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Calvin weakens to Category 2 strength about 1,285 mi (2,070 km) west-southwest of the southern tip of the Baja California peninsula.[23]

July 16

  • 09:00 UTC (11:00 p.m. HST, July 15) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Calvin weakens to Category 1 strength about 1,455 mi (2,340 km) east of Hilo, Hawaii.[24]
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Calvin weakens to a tropical storm about 1,355 mi (2,180 km) east of Hilo.[25]

July 17

  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Calvin enters the Central Pacific basin about 920 mi (1,480 km) east of Hilo.[26]

July 19

  • 21:00 UTC (11:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Calvin transitions to a post-tropical cyclone about 255 mi (410 km) west-southwest of Hilo.[27]

July 21

  • 09:00 UTC (2:00 a.m. PDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Four‑E forms about 990 mi (1,595 km) southwest of the southern tip of the Baja California peninsula.[28]

July 22

  • 15:00 UTC (8:00 a.m. PDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Four‑E degenerates into a remnant low about 1,330 mi (2,140 km) west-southwest of the southern tip of the Baja California peninsula.[29]

July 31

  • 21:00 UTC (4:00 p.m. CDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Five‑E forms about 290 miles (465 km) south of Manzanillo, Colima.[30]

August

August 1

  • 09:00 UTC (3:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Five‑E strengthens into Tropical Storm Dora about 275 miles (445 km) southwest of Manzanillo.[31]

August 2

  • 03:00 UTC (5:00 p.m. HST, August 1) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Dora strengthens into a Category 1 hurricane about 510 miles (820 km) west-southwest of Manzanillo.[32]
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora intensifies to Category 2 strength about 575 miles (925 km) south-southwest of the southern tip of the Baja California peninsula.[33]

August 3

  • 03:00 UTC (5:00 p.m. HST, August 2) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora intensifies to Category 3 strength about 700 miles (1,125 km) southwest of the southern tip of the Baja California peninsula.[34]
  • 09:00 UTC (11:00 p.m. HST, August 2) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora intensifies to Category 4 strength about 780 miles (1,255 km) southwest of the southern tip of the Baja California peninsula.[35]
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora weakens to Category 3 strength about 875 miles (1,410 km) southwest of the southern tip of the Baja California peninsula.[36]

August 4

  • 01:00 UTC (3:00 p.m. HST, August 3) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora re-intensifies to Category 4 strength about 1,035 miles (1,665 km) southwest of the southern tip of the Baja California peninsula.[37]
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora weakens to Category 3 strength about 1,270 miles (2,045 km) west-southwest of the southern tip of the Baja California peninsula.[38]
  • 21:00 UTC (11:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora weakens to Category 2 strength about 1,370 miles (2,205 km) west-southwest of the southern tip of the Baja California peninsula.[39]

August 5

File:Dora 2023-08-06 0000Z.jpg
Hurricane Dora displaying annular characteristics late on August 5
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora re-intensifies to Category 3 strength about 1,535 miles (2,470 km) east of Ka Lae, Hawaii.[40]
  • 15:00 UTC (9:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Six‑E forms about 380 miles (610 km) south-southeast of the southern tip of the Baja California peninsula.[41]
  • 21:00 UTC (11:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora further re-intensifies to Category 4 strength about 1,440 miles (2,315 km) east-southeast of Ka Lae.[42]
  • 21:00 UTC (3:00 p.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Depression Six‑E strengthens into Tropical Storm Eugene about 290 miles (465 km) south-southeast of the southern tip of the Baja California peninsula.[43]

August 6

  • 03:00 UTC (5:00 p.m. HST, August 5) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora reaches peak intensity with maximum sustained winds of 125 kn (145 mph; 230 km/h)[convert: %s]%s and a minimum central pressure of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)., about 1,335 mi (2,150 km) east-southeast of Ka Lae.[44]
  • 15:00 UTC (5:00 a.m. HST) at Lua error in package.lua at line 80: module 'strict' not found. – Hurricane Dora enters the Central Pacific basin about 1,115 mi (1,795 km) east-southeast of Ka Lae.[45]
  • 15:00 UTC (9:00 a.m. MDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Eugene reaches peak intensity with maximum sustained winds of 60 kn (70 mph; 110 km/h)[convert: %s]%s and a minimum central pressure of Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value)., about 125 miles (200 km) southwest of the southern tip of the Baja California peninsula.[46]

August 7

  • 21:00 UTC (2:00 p.m. PDT) at Lua error in package.lua at line 80: module 'strict' not found. – Tropical Storm Eugene transitions to a post-tropical cyclone about 680 miles (1,095 km) west-northwest of the southern tip of the Baja California peninsula.[47]

November

November 30

  • The 2023 Pacific hurricane season officially ends in the Eastern and Central Pacific basins.[1]

See also

Notes

  1. ↑ Due to the threat the developing system posed to southwestern Mexico, the National Hurricane Center initiated advisories on it, designating it Potential Tropical Cyclone Two-E at 03:00 UTC on June 29.[5]

References

  1. ↑ 1.0 1.1 1.2 1.3 Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  13. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  14. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  15. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  16. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  17. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  18. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  19. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  20. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  21. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  22. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  23. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  24. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  25. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  26. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  27. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  28. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  29. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  30. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  31. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  32. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  33. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  34. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  35. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  36. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  37. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  38. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  39. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  40. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  41. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  42. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  43. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  44. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  45. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  46. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  47. ↑ Lua error in package.lua at line 80: module 'strict' not found.

External links

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