Timeline of the 2019 Pacific hurricane season
# Timeline of the 2019 Pacific hurricane season

The 2019 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 June 1 in the central Pacific—between the International Date Line and 140°W, and ended on November 30. These dates conventionally delimit the period of each year when most tropical cyclones form in the eastern Pacific basin.

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). 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

May 15

* The 2019 Eastern Pacific hurricane season officially begins.

### June

June 1

* The 2019 Central Pacific hurricane season officially begins.

June 25

* 21:00 UTC (4:00 p.m. CDT) at 15°12′N 105°42′W﻿ / ﻿15.2°N 105.7°W﻿ / 15.2; -105.7﻿ (Tropical Depression One-E forms) – Tropical Depression One-E forms about 280 mi (450 km) southwest of Manzanillo, Mexico.

June 26

* 15:00 UTC (9:00 a.m. MDT) at 14°42′N 109°24′W﻿ / ﻿14.7°N 109.4°W﻿ / 14.7; -109.4﻿ (Tropical Depression One-E becomes Tropical Storm Alvin) – Tropical Depression One-E intensifies into Tropical Storm Alvin roughly 450 mi (720 km) southwest of Manzanillo, Mexico.

June 28

* 03:00 UTC (8:00 p.m. PDT June 27) at 17°24′N 115°24′W﻿ / ﻿17.4°N 115.4°W﻿ / 17.4; -115.4﻿ (Tropical Storm Alvin becomes a hurricane) – Tropical Storm Alvin strengthens into a Category 1 hurricane roughly 520 mi (840 km) southwest of the southern tip of the Baja California Peninsula. Simultaneously, Alvin achieves peak intensity with 1-minute sustained winds of 75 mph (121 km/h) and a minimum pressure of 992 mbar (29.29 inHg).
* 09:00 UTC (2:00 a.m. PDT) at 18°00′N 116°18′W﻿ / ﻿18.0°N 116.3°W﻿ / 18.0; -116.3﻿ (Hurricane Alvin weakens back to a tropical storm) – Hurricane Alvin weakens back to a tropical storm about 535 mi (861 km) southwest of the southern tip of the Baja California Peninsula.

June 29

* 09:00 UTC (2:00 a.m. PDT) at 20°18′N 119°54′W﻿ / ﻿20.3°N 119.9°W﻿ / 20.3; -119.9﻿ (Tropical Storm Alvin weakens to a depression) – Tropical Storm Alvin weakens further to a tropical depression about 665 mi (1,070 km) west-southwest of the southern tip of the Baja California Peninsula.
* 15:00 UTC (8:00 a.m. PDT) at 20°42′N 120°30′W﻿ / ﻿20.7°N 120.5°W﻿ / 20.7; -120.5﻿ (Tropical Depression Alvin dissipates) – Tropical Depression Alvin degenerates into a post-tropical cyclone about 695 mi (1,118 km) west of the southern tip of the Baja California Peninsula.

June 30

* 15:00 UTC (9:00 a.m. MDT) at 10°36′N 110°24′W﻿ / ﻿10.6°N 110.4°W﻿ / 10.6; -110.4﻿ (Tropical Storm Barbara forms) – Tropical Storm Barbara forms from a tropical wave roughly 850 mi (1,370 km) south of the southern tip of the Baja California Peninsula.

### July

July 1

* 21:00 UTC (2:00 p.m. PDT) at 11°30′N 118°30′W﻿ / ﻿11.5°N 118.5°W﻿ / 11.5; -118.5﻿ (Tropical Storm Barbara becomes a hurricane) – Tropical Storm Barbara strengthens into a Category 1 hurricane roughly 970 mi (1,560 km) southwest of the southern tip of Baja California.

July 2

* 03:00 UTC (8:00 p.m. PDT July 1) at 11°42′N 119°48′W﻿ / ﻿11.7°N 119.8°W﻿ / 11.7; -119.8﻿ (Hurricane Barbara reaches Category 2 status) – Hurricane Barbara rapidly strengthens into a Category 2 hurricane roughly 1,010 mi (1,630 km) southwest of the southern tip of Baja California.
* 12:30 UTC (2:30 a.m. HST) at 12°18′N 121°36′W﻿ / ﻿12.3°N 121.6°W﻿ / 12.3; -121.6﻿ (Hurricane Barbara rapidly reaches Category 4 status) – Hurricane Barbara rapidly strengthens into a Category 4 hurricane roughly 1,060 mi (1,710 km) southwest of the southern tip of Baja California, bypassing Category 3 status entirely.

July 3

* 03:00 UTC (5:00 p.m. HST July 2) at 13°06′N 124°36′W﻿ / ﻿13.1°N 124.6°W﻿ / 13.1; -124.6﻿ (Hurricane Barbara reaches peak intensity) – Hurricane Barbara reaches its peak intensity with sustained winds of 155 mph (249 km/h) and a minimum pressure of 930 mbar (27 inHg) roughly 1,175 mi (1,891 km) southwest of the southern tip of Baja California.

July 4

* 09:00 UTC (11:00 p.m. HST July 2) at 15°24′N 129°12′W﻿ / ﻿15.4°N 129.2°W﻿ / 15.4; -129.2﻿ (Hurricane Barbara weakens to a Category 3) – Hurricane Barbara weakens into a category 3 hurricane about 1,360 mi (2,190 km) west-southwest of the southern tip of Baja California.
* 21:00 UTC (11:00 a.m. HST) at 16°42′N 129°12′W﻿ / ﻿16.7°N 129.2°W﻿ / 16.7; -129.2﻿ (Hurricane Barbara weakens to a Category 2) – Hurricane Barbara weakens into a category 2 hurricane about 1,420 mi (2,290 km) west-southwest of the southern tip of Baja California.

July 5

* 09:00 UTC (11:00 p.m. HST July 4) at 17°42′N 132°36′W﻿ / ﻿17.7°N 132.6°W﻿ / 17.7; -132.6﻿ (Hurricane Barbara weakens to a Category 1) – Hurricane Barbara weakens into a category 1 hurricane about 1,475 mi (2,374 km) west-southwest of the southern tip of Baja California.
* 15:00 UTC (5:00 a.m. HST) at 18°24′N 133°36′W﻿ / ﻿18.4°N 133.6°W﻿ / 18.4; -133.6﻿ (Hurricane Barbara weakens to a tropical storm) – Hurricane Barbara weakens into a tropical storm about 1,360 mi (2,190 km) west of the southern tip of Baja California.

July 6

* 15:00 UTC (5:00 a.m. HST) at 18°42′N 139°12′W﻿ / ﻿18.7°N 139.2°W﻿ / 18.7; -139.2﻿ (Barbara becomes post-tropical) – Tropical Storm Barbara becomes a post-tropical cyclone about 1,040 mi (1,670 km) east of Hilo, Hawaii.
* 15:00 UTC (8:00 a.m. PDT) at 15°36′N 115°42′W﻿ / ﻿15.6°N 115.7°W﻿ / 15.6; -115.7﻿ (Tropical Storm Cosme forms) – Tropical Storm Cosme forms roughly 630 mi (1,010 km) southwest of the southern tip of the Baja California Peninsula.
* 21:00 UTC (2:00 p.m. PDT) at 16°12′N 116°18′W﻿ / ﻿16.2°N 116.3°W﻿ / 16.2; -116.3﻿ (Tropical Storm Cosme reaches peak intensity) – Tropical Storm Cosme reaches its peak intensity of maximum sustained winds of 50 mph (80 km/h) and a minimum barometric pressure of 1,001 mbar (29.6 inHg) roughly 620 mi (1,000 km) southwest of the southern tip of the Baja California Peninsula.

July 8

* 03:00 UTC (8:00 p.m. PDT July 7) at 19°06′N 119°30′W﻿ / ﻿19.1°N 119.5°W﻿ / 19.1; -119.5﻿ (Cosme weakens to a depression) – Tropical Storm Cosme weakens to a tropical depression roughly 670 mi (1,080 km) west-southwest of the southern tip of the Baja California Peninsula.
* 15:00 UTC (8:00 a.m. PDT) at 20°30′N 120°42′W﻿ / ﻿20.5°N 120.7°W﻿ / 20.5; -120.7﻿ (Cosme becomes remnant low) – Tropical Storm Cosme degenerates into a post-tropical remnant low roughly 710 mi (1,140 km) west of the southern tip of the Baja California Peninsula.

July 12

* 21:00 UTC (3:00 p.m. MDT) at 15°06′N 107°30′W﻿ / ﻿15.1°N 107.5°W﻿ / 15.1; -107.5﻿ (Four-E forms.) – Tropical Depression Four-E forms about 340 mi (550 km) southwest of Manzanillo, Mexico.

July 14

* 15:00 UTC (8:00 a.m. PDT) at 18°24′N 115°42′W﻿ / ﻿18.4°N 115.7°W﻿ / 18.4; -115.7﻿ (Four-E becomes remnant low.) – Tropical Depression Four-E degenerates into a remnant low about 485 mi (781 km) southwest of the southern tip of the Baja California Peninsula.

July 22

* 09:00 UTC (2:00 p.m. PDT) at 15°00′N 116°12′W﻿ / ﻿15.0°N 116.2°W﻿ / 15.0; -116.2﻿ (Five-E forms.) – Tropical Depression Five-E forms about 685 mi (1,102 km) southwest of the southern tip of the Baja California Peninsula.

July 23

* 09:00 UTC (2:00 a.m. PDT) at 18°00′N 117°18′W﻿ / ﻿18.0°N 117.3°W﻿ / 18.0; -117.3﻿ (Five-E becomes Dalila.) – Tropical Depression Five-E strengthens into Tropical Storm Dalila about 585 mi (941 km) southwest of the southern tip of the Baja California Peninsula.

July 24

* 09:00 UTC (2:00 a.m. PDT) at 19°48′N 118°48′W﻿ / ﻿19.8°N 118.8°W﻿ / 19.8; -118.8﻿ (Dalila weakens to a tropical depression.) – Tropical Storm Dalila weakens into a tropical depression about 610 mi (980 km) southwest of the southern tip of the Baja California Peninsula.

July 25

* 15:00 UTC (8:00 a.m. PDT) at 21°54′N 120°48′W﻿ / ﻿21.9°N 120.8°W﻿ / 21.9; -120.8﻿ (Dalila becomes a remnant low.) – Tropical Depression Dalila degenerates into a remnant low about 700 mi (1,100 km) west of the southern tip of the Baja California Peninsula.

July 27

* 15:00 UTC (5:00 a.m. HST) at 11°18′N 123°48′W﻿ / ﻿11.3°N 123.8°W﻿ / 11.3; -123.8﻿ (Six-E forms.) – Tropical Depression Six-E forms from a tropical wave roughly 2,160 mi (3,480 km) east of Hilo, Hawaii.
* 21:15 UTC (2:15 p.m. PDT) at 11°36′N 125°18′W﻿ / ﻿11.6°N 125.3°W﻿ / 11.6; -125.3﻿ (Six-E becomes Erick.) – Tropical Depression Six-E strengthens into Tropical Storm Erick roughly 2,055 mi (3,307 km) east of Hilo, Hawaii.

July 28

* 15:00 UTC (9:00 a.m. MDT) at 11°12′N 107°30′W﻿ / ﻿11.2°N 107.5°W﻿ / 11.2; -107.5﻿ (Seven-E forms.) – Tropical Depression Seven-E forms roughly 580 mi (930 km) south-southwest of Manzanillo, Mexico.

July 29

* 09:00 UTC (11:00 p.m. HST July 28) at 12°30′N 113°00′W﻿ / ﻿12.5°N 113.0°W﻿ / 12.5; -113.0﻿ (Seven-E becomes Flossie.) – Tropical Depression Seven-E intensifies into Tropical Storm Flossie roughly 730 mi (1,170 km) southwest of Manzanillo, Mexico.

July 30

* 03:00 UTC (5:00 p.m. HST July 29) at 12°42′N 140°00′W﻿ / ﻿12.7°N 140.0°W﻿ / 12.7; -140.0﻿ (Erick becomes a hurricane.) – Tropical Storm Erick becomes a hurricane roughly 1,110 mi (1,790 km) east-southeast of Hilo, Hawaii.
* 15:00 UTC (5:00 a.m. HST) at 13°24′N 142°48′W﻿ / ﻿13.4°N 142.8°W﻿ / 13.4; -142.8﻿ (Erick becomes a major hurricane.) – Erick becomes a major hurricane roughly 920 mi (1,480 km) east-southeast of Hilo, Hawaii.
* 21:00 UTC (11:00 a.m. HST) at 13°36′N 144°06′W﻿ / ﻿13.6°N 144.1°W﻿ / 13.6; -144.1﻿ (Erick becomes a Category 4 hurricane.) – Erick becomes a Category 4 hurricane roughly 840 mi (1,350 km) east-southeast of Hilo, Hawaii.
* 21:00 UTC (11:00 a.m. HST) at 12°18′N 121°18′W﻿ / ﻿12.3°N 121.3°W﻿ / 12.3; -121.3﻿ (Flossie becomes a hurricane.) – Tropical Storm Flossie becomes a hurricane roughly 1,045 mi (1,682 km) southwest of the southern tip of Baja California.

July 31

* 03:00 UTC (5:00 p.m. HST July 30) at 12°48′N 122°36′W﻿ / ﻿12.8°N 122.6°W﻿ / 12.8; -122.6﻿ (Flossie reaches its peak intensity.) – Flossie reaches its peak intensity with maximum sustained winds of 80 mph (130 km/h) and a minimum barometric pressure of 989 mbar (29.2 inHg) roughly 1,085 mi (1,746 km) southwest of the southern tip of Baja California.
* 09:00 UTC (11:00 p.m. HST July 30) at 14°12′N 146°18′W﻿ / ﻿14.2°N 146.3°W﻿ / 14.2; -146.3﻿ (Erick weakens.) – Hurricane Erick weakens to category 3 intensity roughly 695 mi (1,118 km) east-southeast of Hilo, Hawaii.
* 21:00 UTC (11:00 a.m. HST) at 14°00′N 127°18′W﻿ / ﻿14.0°N 127.3°W﻿ / 14.0; -127.3﻿ (Flossie weakens to a tropical storm.) – Hurricane Flossie weakens to a tropical storm roughly 1,295 mi (2,084 km) west-southwest of the southern tip of Baja California.

### August

August 1

* 03:00 UTC (5:00 p.m. HST July 31) at 15°06′N 149°36′W﻿ / ﻿15.1°N 149.6°W﻿ / 15.1; -149.6﻿ (Erick weakens to category 2 intensity.) – Erick weakens to a category 2 hurricane roughly 480 mi (770 km) southeast of Hilo, Hawaii.
* 09:00 UTC (11:00 p.m. HST July 31) at 15°30′N 150°54′W﻿ / ﻿15.5°N 150.9°W﻿ / 15.5; -150.9﻿ (Erick weakens to category 1 intensity.) – Erick weakens to category 1 intensity roughly 400 mi (640 km) southeast of Hilo, Hawaii.

August 2

* 03:00 UTC (5:00 p.m. HST August 1) at 15°54′N 154°30′W﻿ / ﻿15.9°N 154.5°W﻿ / 15.9; -154.5﻿ (Erick weakens to a tropical storm.) – Hurricane Erick weakens to a tropical storm roughly 265 mi (426 km) south of Hilo, Hawaii.

August 3

* 15:00 UTC (8:00 a.m. PDT) at 14°42′N 121°12′W﻿ / ﻿14.7°N 121.2°W﻿ / 14.7; -121.2﻿ (Eight-E forms.) – Tropical Depression Eight-E forms about 930 mi (1,500 km) southwest of the southern tip of Baja California.
* 15:00 UTC (8:00 a.m. PDT) at 15°00′N 122°24′W﻿ / ﻿15.0°N 122.4°W﻿ / 15.0; -122.4﻿ (Eight-E becomes Gil.) – Tropical Depression Eight-E strengthens into Tropical Storm Gil about 980 mi (1,580 km) west-southwest of the southern tip of Baja California.

August 4

* 03:00 UTC (5:00 p.m. HST August 3) at 17°54′N 165°12′W﻿ / ﻿17.9°N 165.2°W﻿ / 17.9; -165.2﻿ (Erick weakens into a depression.) – Tropical Storm Erick weakens into a tropical depression roughly 530 mi (850 km) west-southwest of Honolulu, Hawaii.
* 09:00 UTC (2:00 a.m. PDT) at 14°54′N 124°24′W﻿ / ﻿14.9°N 124.4°W﻿ / 14.9; -124.4﻿ (Gil weakens.) – Gil weakens into a tropical depression about 1,095 mi (1,762 km) west-southwest of the southern tip of Baja California.

August 5

* 03:00 UTC (8:00 p.m. PDT August 4) at 15°06′N 127°18′W﻿ / ﻿15.1°N 127.3°W﻿ / 15.1; -127.3﻿ (Gil becomes a remnant low.) – Gil degenerates into a remnant low about 1,255 mi (2,020 km) west-southwest of the southern tip of Baja California.
* 03:00 UTC (5:00 p.m. HST August 4) at 18°54′N 149°48′W﻿ / ﻿18.9°N 149.8°W﻿ / 18.9; -149.8﻿ (Flossie weakens into a tropical depression.) – Tropical Storm Flossie degenerates into a tropical depression roughly 350 mi (560 km) east of Hilo, Hawaii.
* 03:00 UTC (5:00 p.m. HST August 4) at 19°12′N 169°06′W﻿ / ﻿19.2°N 169.1°W﻿ / 19.2; -169.1﻿ (Erick becomes a remnant low.) – Tropical Depression Erick degenerates into a remnant low roughly 175 mi (282 km) north of Johnston Island.

August 6

* 03:00 UTC (5:00 p.m. HST August 5) at 20°48′N 154°36′W﻿ / ﻿20.8°N 154.6°W﻿ / 20.8; -154.6﻿ (Flossie degenerates into a remnant low.) – Flossie degenerates into a remnant low roughly 85 mi (137 km) north-northeast of Hilo, Hawaii.

August 12

* 03:00 UTC (9:00 p.m. MDT August 11) at 18°54′N 109°48′W﻿ / ﻿18.9°N 109.8°W﻿ / 18.9; -109.8﻿ (Nine-E forms.) – Tropical Depression Nine-E forms from a tropical wave about 275 mi (443 km) south of the southern tip of Baja California.
* 09:00 UTC (3:00 a.m. MDT) at 19°30′N 110°54′W﻿ / ﻿19.5°N 110.9°W﻿ / 19.5; -110.9﻿ (Henriette forms.) – Tropical Depression Nine-E strengthens into Tropical Storm Henriette about 245 mi (394 km) south-southwest of the southern tip of Baja California.

August 13

* 09:00 UTC (2:00 a.m. PDT) at 21°06′N 115°12′W﻿ / ﻿21.1°N 115.2°W﻿ / 21.1; -115.2﻿ (Henriette weakens.) – Henriette degenerates into a depression about 360 mi (580 km) west-southwest of the southern tip of Baja California.
* 15:00 UTC (8:00 a.m. PDT) at 21°24′N 116°06′W﻿ / ﻿21.4°N 116.1°W﻿ / 21.4; -116.1﻿ (Henriette becomes post-tropical.) – Henriette degenerates into a post-tropical remnant low about 410 mi (660 km) west-southwest of the southern tip of Baja California.

August 21

* 15:00 UTC (9:00 a.m. MDT) at 15°24′N 107°18′W﻿ / ﻿15.4°N 107.3°W﻿ / 15.4; -107.3﻿ (Ten-E forms.) – Tropical Depression Ten-E forms from a low-pressure area roughly 545 mi (877 km) south-southeast of the southern tip of Baja California.
* 21:00 UTC (3:00 p.m. MDT) at 15°48′N 109°30′W﻿ / ﻿15.8°N 109.5°W﻿ / 15.8; -109.5﻿ (Ten-E becomes Ivo.) – Tropical Depression Ten-E strengthens into Tropical Storm Ivo roughly 490 mi (790 km) south of the southern tip of Baja California.

August 23

* 16:00 UTC (9:00 a.m. PDT) at 18°54′N 115°00′W﻿ / ﻿18.9°N 115.0°W﻿ / 18.9; -115.0﻿ (Ivo reaches peak.) – Tropical Storm Ivo reaches its peak intensity with maximum sustained winds of 70 mph (110 km/h) and a minimum barometric pressure of 990 mbar (29 inHg) roughly 430 mi (690 km) southwest of the southern tip of Baja California.

August 25

* 09:00 UTC (2:00 a.m. PDT) at 24°30′N 117°00′W﻿ / ﻿24.5°N 117.0°W﻿ / 24.5; -117.0﻿ (Ivo weakens.) – Tropical Storm Ivo weakens into a tropical depression roughly 460 mi (740 km) west-northwest of the southern tip of Baja California.
* 21:00 UTC (2:00 p.m. PDT) at 26°00′N 117°54′W﻿ / ﻿26.0°N 117.9°W﻿ / 26.0; -117.9﻿ (Ivo degenerates.) – Tropical Storm Ivo degenerates into a remnant low roughly 545 mi (877 km) west-northwest of the southern tip of Baja California.

### September

September 1

* 09:00 UTC (3:00 a.m. MDT) at 13°12′N 107°36′W﻿ / ﻿13.2°N 107.6°W﻿ / 13.2; -107.6﻿ (Juliette forms.) – Tropical Storm Juliette forms from a tropical wave roughly 455 mi (732 km) south-southwest of Manzanillo, Mexico and about 685 mi (1,102 km) south-southeast of the southern tip of Baja California.

September 2

* 21:00 UTC (3:00 p.m. MDT) at 17°12′N 113°18′W﻿ / ﻿17.2°N 113.3°W﻿ / 17.2; -113.3﻿ (Juliette becomes a hurricane.) – Tropical Storm Juliette becomes a Category 1 hurricane roughly 450 mi (720 km) south-southwest of the southern tip of Baja California.

September 3

* 03:00 UTC (9:00 p.m. MDT September 2) at 17°48′N 114°00′W﻿ / ﻿17.8°N 114.0°W﻿ / 17.8; -114.0﻿ (Juliette intensifies into a major hurricane.) – Hurricane Juliette rapidly intensifies to Category 3 status roughly 440 mi (710 km) southwest of the southern tip of Baja California.
* 15:00 UTC (8:00 a.m. PDT) at 18°24′N 115°00′W﻿ / ﻿18.4°N 115.0°W﻿ / 18.4; -115.0﻿ (Juliette peaks.) – Hurricane Juliette reaches its peak intensity with sustained winds of 125 mph (201 km/h) and a central pressure of 953 mbar (28.1 inHg) roughly 455 mi (732 km) southwest of the southern tip of Baja California.

September 4

* 09:00 UTC (2:00 a.m. PDT) at 19°06′N 116°24′W﻿ / ﻿19.1°N 116.4°W﻿ / 19.1; -116.4﻿ (Juliette weakens.) – Hurricane Juliette weakens to Category 2 status roughly 495 mi (797 km) west-southwest of the southern tip of Baja California.
* 15:00 UTC (5:00 a.m. HST) at 13°12′N 140°30′W﻿ / ﻿13.2°N 140.5°W﻿ / 13.2; -140.5﻿ (Twelve-E forms.) – Tropical Depression Twelve-E forms roughly 1,085 mi (1,746 km) east-southeast of South Point, Hawaii.

September 5

* 03:00 UTC (8:00 p.m. PDT September 4) at 19°48′N 118°30′W﻿ / ﻿19.8°N 118.5°W﻿ / 19.8; -118.5﻿ (Juliette weakens some more.) – Hurricane Juliette weakens to Category 1 status roughly 595 mi (958 km) west-southwest of the southern tip of Baja California.
* 23:00 UTC (1:00 p.m. HST) at 12°12′N 144°48′W﻿ / ﻿12.2°N 144.8°W﻿ / 12.2; -144.8﻿ (Twelve-E becomes Akoni.) – Tropical Depression Twelve-E strengthens into Tropical Storm Akoni roughly 855 mi (1,376 km) southeast of Hilo, Hawaii.

September 6

* 15:00 UTC (5:00 p.m. HST) at 11°12′N 149°42′W﻿ / ﻿11.2°N 149.7°W﻿ / 11.2; -149.7﻿ (Akoni becomes a remnant low.) – Tropical Storm Akoni degenerates into a remnant low roughly 690 mi (1,110 km) south-southeast of Hilo, Hawaii.
* 21:00 UTC (11:00 a.m. HST) at 23°24′N 124°54′W﻿ / ﻿23.4°N 124.9°W﻿ / 23.4; -124.9﻿ (Juliette weakens to a tropical storm.) – Hurricane Juliette weakens to a tropical storm roughly 955 mi (1,537 km) west of the southern tip of Baja California.

September 7

* 21:00 UTC (11:00 a.m. HST) at 24°24′N 129°30′W﻿ / ﻿24.4°N 129.5°W﻿ / 24.4; -129.5﻿ (Juliette degenerates.) – Tropical Storm Juliette degenerates into a remnant low roughly 1,245 mi (2,004 km) west of the southern tip of Baja California.

September 12

* 15:00 UTC (9:00 a.m. MDT) at 15°54′N 111°06′W﻿ / ﻿15.9°N 111.1°W﻿ / 15.9; -111.1﻿ (Thirteen-E forms.) – Tropical Depression Thirteen-E forms roughly 490 mi (790 km) south of the southern tip of Baja California.
* 21:00 UTC (3:00 p.m. MDT) at 16°06′N 112°12′W﻿ / ﻿16.1°N 112.2°W﻿ / 16.1; -112.2﻿ (Thirteen-E becomes Kiko.) – Tropical Depression Thirteen-E intensifies into Tropical Storm Kiko roughly 495 mi (797 km) south-southwest of the southern tip of Baja California.

September 14

* 21:00 UTC (2:00 p.m. PDT) at 17°06′N 119°18′W﻿ / ﻿17.1°N 119.3°W﻿ / 17.1; -119.3﻿ (Kiko becomes a hurricane.) – Tropical Storm Kiko strengthens into a Category 1 hurricane roughly 730 mi (1,170 km) west-southwest of the southern tip of Baja California.

September 15

* 00:30 UTC (5:30 p.m. PDT September 14) at 17°00′N 117°54′W﻿ / ﻿17.0°N 117.9°W﻿ / 17.0; -117.9﻿ (Kiko rapidly strengthens to near major hurricane strength.) – Hurricane Kiko rapidly intensifies into a high-end Category 2 hurricane roughly 760 mi (1,220 km) west-southwest of the southern tip of Baja California.
* 03:00 UTC (8:00 p.m. PDT September 14) at 17°00′N 120°06′W﻿ / ﻿17.0°N 120.1°W﻿ / 17.0; -120.1﻿ (Kiko becomes a major hurricane.) – Kiko becomes a major hurricane roughly 775 mi (1,247 km) west-southwest of the southern tip of Baja California.

### November

November 30

* The 2019 Pacific hurricane season officially ends.
