Timeline of the 2004 Pacific hurricane season
Track map of all storms during the season
The 2004 Pacific hurricane season had 17 tropical cyclones, of which 12 became named storms, 6 became hurricanes, and 3 became major hurricanes (Category 3 or higher).[1][2] This timeline documents all the storm formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipation. It also includes information which was not operationally released, meaning that information from post-storm reviews by the National Hurricane Center, such as information on a storm that was not operationally warned on, have been included. The season officially began on May 15, 2004 in the eastern Pacific proper (June 1, 2004 in the central Pacific) and lasted until November 30 that same year.[3] Areas east of 140°W are under the purview of the National Hurricane Center (NHC); the area between the International Date Line and 140°W, or the central Pacific, is under the purview of the Central Pacific Hurricane Center (CPHC).
The 2004 season got off to an early start with Tropical Storm Agatha, which formed a week after the season began.[4] No tropical cyclones were active in June, the first such occurrence since 1969.[5] July was more active, producing four tropical cyclones. Three of these (Blas, Celia, and Darby) became named storms, two (Celia and Darby) became hurricanes, and Hurricane Darby became the first major hurricane of the season.[6] Additionally, a tropical depression in the central Pacific became the only tropical cyclone to form within the Central Pacific Hurricane Center's area of responsibility during the year.[1] August was the most active month, producing six tropical cyclones, four named storms, and two hurricanes (Frank and Howard).[7] September saw a decline in activity, although all three storms that existed during the month were hurricanes, two of which (Howard and Javier) were major hurricanes. Hurricane Howard, which had formed in August, only became a major hurricane in September. Hurricane Javier – the final storm during the month – was the strongest storm of the season.[8] October saw the final three tropical cyclones of the year; two developed into named storms (Kay and Lester). Neither of these storms became hurricanes.[9]
Timeline of storms
May
Image of Tropical Storm Agatha late on May 22 at peak strength
- May 15
- The 2004 Pacific hurricane season officially begins.[3]
- May 21
- 5:00 p.m. PDT (00:00 UTC May 22) – Tropical Depression One-E forms about 580 miles (930 km) to the southeast of Cabo San Lucas, Mexico.[10]
- May 22
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression One-E strengthens into a tropical storm and is named Agatha.[10]
- 5:00 p.m. PDT (00:00 UTC May 22) – Tropical Storm Agatha reaches its peak intensity of 60 mph (95 km/h).[10]
- May 23
- 5:00 p.m. PDT (00:00 UTC May 22) – Tropical Storm Agatha weakens into a tropical depression.[10]
- May 24
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Agatha degenerates into an area of low pressure.[10]
June
- There was no tropical cyclone activity in the Eastern Pacific during June. The last time this happened was in 1969.[5]
- June 1
- The 2004 Central Pacific hurricane season officially begins.[3]
July
- July 2
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Two-E forms about 750 miles (1,210 km) to the southwest of the southern tip of the Baja California peninsula of Mexico.[11]
- 5:00 p.m. PDT (00:00 UTC July 3) – Tropical Depression Two-E reaches its peak intensity of 35 mph (55 km/h).[11]
- July 3
- 5:00 p.m. PDT (00:00 UTC July 4) – Tropical Depression Two-E degenerates into an area of low pressure.[11]
- July 4
- 2:00 p.m. HST (00:00 UTC July 5) – Tropical Depression One-C forms about 700 miles (1,125 km) to the south-southeast of Johnston Island.[12]
- 2:00 p.m. HST (00:00 UTC July 5) – Tropical Depression One-C reaches its peak intensity of 30 mph (50 km/h).[12]
- July 5
- 2:00 p.m. HST (00:00 UTC July 6) – Tropical Depression One-C dissipates.[12]
- July 12
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Three-E forms 320 miles (515 km) south-southwest of Manzanillo, Mexico.[13][nb 1]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Three-E strengthens into a tropical storm and is named Blas.[13]
- July 13
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Blas reaches its peak intensity of 65 mph (105 km/h).[13]
- July 14
- 11:00 a.m. PDT (18:00 UTC) – Tropical Storm Blas weakens into a tropical depression.[13]
- 11:00 p.m. PDT (06:00 UTC July 15) – Tropical Depression Blas degenerates into an area of low pressure.[13]
- July 18
- 5:00 p.m. PDT (00:00 UTC July 19) – Tropical Depression Four-E forms about 620 miles (1,000 km) south-southwest of the southern tip of Baja California.[14]
- July 19
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Four-E strengthens into a tropical storm and is named Celia.[14]
- July 21
- 5:00 p.m. PDT (00:00 UTC July 22) – Tropical Storm Celia strengthens into the first hurricane of the season.[14]
- 11:00 p.m. PDT (06:00 UTC July 22) – Hurricane Celia reaches its peak intensity of 85 mph (135 km/h).[14]
- July 22
- 11:00 a.m. PDT (18:00 UTC) – Hurricane Celia weakens into a tropical storm.[14]
- July 24
- 11:00 a.m. PDT (18:00 UTC) – Tropical Storm Celia weakens into a tropical depression.[14]
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Image of Hurricane Darby as a Category 2 hurricane on July 28
- July 25
- 5:00 p.m. PDT (00:00 UTC July 22) – Tropical Depression Celia degenerates into an area of low pressure.[14]
- July 26
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Five-E forms about 760 miles (1,220 km) south-southwest of Cabo San Lucas.[15]
- 5:00 p.m. PDT (00:00 UTC July 27) – Tropical Depression Five-E is upgraded to Tropical Storm Darby.[15]
- July 27
- 5:00 p.m. PDT (00:00 UTC July 28) – Tropical Storm Darby strengthens into a Category 1 hurricane.[15]
- July 28
- 11:00 a.m. PDT (18:00 UTC) – Hurricane Darby reaches Category 2 intensity.[15]
- 11:00 p.m. PDT (06:00 UTC July 29) – Hurricane Darby reaches Category 3 intensity and becomes the first Pacific major hurricane since Hurricane Kenna in 2002.[15][16]
- 11:00 p.m. PDT (06:00 UTC July 29) – Hurricane Darby reaches its peak intensity of 120 mph (195 km/h).[15]
- July 29
- 11:00 a.m. PDT (18:00 UTC) – Hurricane Darby weakens to Category 2 intensity.[15]
- 5:00 p.m. PDT (00:00 UTC July 28) – Hurricane Darby weakens to Category 1 intensity.[15]
- July 30
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Darby weakens into a tropical storm.[15]
- July 31
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Darby weakens into a tropical depression.[15]
- 5:00 p.m. PDT (2:00 p.m. HST 00:00 UTC August 1) – The NHC passes the primary warning responsibility of Tropical Depression Darby to the CPHC as Darby crosses 140°W.[15]
- 11:00 p.m. PDT (06:00 UTC August 1) – Tropical Depression Six-E forms.[17]
- 11:00 p.m. PDT (06:00 UTC August 1) – Tropical Depression Six-E reaches its peak intensity of 30 mph (50 km/h).[17]
August
- August 1
- 2:00 a.m. HST (12:00 UTC) – Tropical Depression Darby dissipates.[15]
- 11:00 p.m. PDT (06:00 UTC August 2) – Tropical Depression Six-E dissipates.[17]
- August 18
Tropical Storm Estelle near peak intensity
- 11:00 p.m. PDT (06:00 UTC August 19) – Tropical Depression Seven-E forms about 1,440 miles (2,320 km) to the southeast of Hilo, Hawaii.[18]
- August 19
- 11:00 p.m. PDT (06:00 UTC August 20) – Tropical Depression Seven-E intensifies into a tropical storm and is named Estelle.[18]
- August 20
- 11:00 p.m. PDT (8:00 p.m. HST; 06:00 UTC August 21) – The NHC passes primary warning responsibility of Tropical Storm Estelle to the CPHC as Estelle crosses 140°W.[18]
- August 21
- 2:00 a.m. HST (12:00 UTC) – Tropical Storm Estelle reaches its peak intensity of 70 mph (110 km/h).[18]
- August 22
- 2:00 p.m. HST (00:00 UTC August 23) – Tropical Storm Estelle weakens into a tropical depression.[18]
- 11:00 p.m. PDT (06:00 UTC August 23) – Tropical Depression Eight-E forms from the remains of Tropical Storm Earl, which crossed over from the Atlantic basin. At this time, it is located about 410 miles (660 km) south of Cabo San Lucas.[19]
- August 23
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Eight-E becomes a tropical storm and is named Frank.[19]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Storm Frank strengthens into a Category 1 hurricane.[19]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Nine-E forms about 920 miles (1,480 km) west-southwest of the tip of Baja California.[20]
- 5:00 p.m. PDT (00:00 UTC August 24) – Tropical Depression Nine-E reaches its peak intensity of 35 mph (55 km/h).[20]
- 11:00 p.m. PDT (06:00 UTC August 24) – Hurricane Frank reaches its peak intensity of 85 mph (135 km/h).[19]
- August 24
- 8:00 a.m. HST (18:00 UTC) – Tropical Depression Estelle degenerates into a remnant low.[18]
- 11:00 p.m. PDT (06:00 UTC August 25) – Hurricane Frank weakens into a tropical storm.[19]
- August 25
- 5:00 p.m. PDT (00:00 UTC August 26) – Tropical Storm Frank weakens into a tropical depression.[19]
- 11:00 p.m. PDT (06:00 UTC August 26) – Tropical Depression Frank degenerates into a remnant low.[19]
- August 26
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Ten-E forms about 605 miles (975 km) south-southeast of the southern tip of Baja California.[21]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Nine-E degenerates into a remnant low.[20]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Ten-E strengthens into a tropical storm and is named Georgette.[21]
- August 27
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Georgette reaches its peak intensity of 65 mph (100 km/h).[21]
- August 29
- 11:00 p.m. PDT (06:00 UTC August 30) – Tropical Storm Georgette weakens into a tropical depression.[21]
- August 30
Hurricane Howard track map
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Eleven-E forms about 400 miles (640 km) to the southwest of Acapulco, Mexico.[22]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Georgette degenerates into a remnant low.[21]
- 5:00 p.m. PDT (00:00 UTC August 31) – Tropical Depression Eleven-E intensifies into a tropical storm and is named Howard.[22]
- August 31
- 11:00 p.m. PDT (06:00 UTC September 1) – Tropical Storm Howard strengthens into a Category 1 hurricane.[22]
September
- September 1
- 11:00 p.m. PDT (06:00 UTC September 2) – Hurricane Howard rapidly intensifies and reaches Category 3 intensity.[22]
- September 2
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Howard reaches Category 4 intensity. At the same time, it reaches its peak intensity of 140 mph (230 km/h).[22]
- 11:00 p.m. PDT (06:00 UTC September 3) – Hurricane Howard weakens into Category 3 intensity.[22]
- September 3
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Howard weakens to Category 2 intensity.[22]
- 11:00 a.m. PDT (18:00 UTC) – Hurricane Howard weakens to Category 1 intensity.[22]
- September 4
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Howard weakens into a tropical storm.[22]
- 11:00 p.m. PDT (06:00 UTC September 5) – Tropical Storm Howard weakens into a tropical depression.[22]
- September 5
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Howard degenerates into a remnant low.[22]
- September 7
Hurricane Isis track map
- 11:00 p.m. PDT (06:00 UTC September 8) – Tropical Depression Twelve-E forms about 530 miles (850 km) south of Cabo San Lucas.[23]
- September 8
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Twelve-E becomes a tropical storm and is named Isis.[23]
- September 10
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Isis weakens into a tropical depression.[23]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Thirteen-E forms about 350 miles (560 km) south-southeast of Salina Cruz, Mexico.[24]
- September 11
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Thirteen-E becomes a tropical storm and is named Javier.[24]
- 5:00 p.m. PDT (00:00 UTC September 12) – Tropical Depression Isis restrengthens into a tropical storm.[23]
- September 12
- 11:00 a.m. PDT (18:00 UTC) – Tropical Storm Javier strengthens into a Category 1 hurricane.[24]
- 11:00 p.m. PDT (06:00 UTC September 13) – Hurricane Javier reaches Category 2 intensity.[24]
- September 13
Hurricane Javier as a Category 4 hurricane
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Javier reaches Category 3 intensity.[24]
- 11:00 a.m. PDT (18:00 UTC) – Hurricane Javier reaches Category 4 intensity.[24]
- 5:00 p.m. PDT (00:00 UTC September 14) – Hurricane Javier reaches its peak intensity of 150 mph (240 km/h), making it the strongest storm of the season. At this time, it is located 310 miles (500 km) south-southwest of Manzanillo, Mexico.[24]
- September 15
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Isis strengthens into a Category 1 hurricane. At the same time, it reaches its peak intensity of 75 mph (120 km/h), located 1,450 miles (2,335 km) west of Cabo San Lucas.[23]
- 11:00 a.m. PDT (18:00 UTC) – Hurricane Isis weakens back into a tropical storm as the eye collapses.[23]
- 5:00 p.m. PDT (00:00 UTC September 16) – Hurricane Javier weakens to Category 3 intensity.[24]
- September 16
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Isis weakens into a tropical depression.[23]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Isis degenerates into a remnant low.[23]
- September 17
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Javier weakens to Category 2 intensity.[24]
- 5:00 p.m. PDT (00:00 UTC September 18) – Hurricane Javier weakens to Category 1 intensity.[24]
- September 18
- 5:00 a.m. PDT (12:00 UTC) – Hurricane Javier weakens into a tropical storm.[24]
- 5:00 p.m. PDT (00:00 UTC September 19) – Tropical Storm Javier weakens into a tropical depression.[24]
- September 19
- 4:00 a.m. PDT (11:00 UTC) – Tropical Depression Javier makes landfall on the west coast of Baja California.[24]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Javier degenerates into a remnant low.[24]
October
- October 4
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Fourteen-E forms about 595 miles (960 km) to the southwest of Manzanillo, Mexico.[25]
- 11:00 p.m. PDT (06:00 UTC October 5) – Tropical Depression Fourteen-E strengthens into a tropical storm and is named Kay.[25]
- October 5
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Kay reaches its peak intensity of 45 mph (70 km/h).[25]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Storm Kay weakens into a tropical depression.[25]
- October 6
- 5:00 a.m. PDT (12:00 UTC) – Tropical Depression Kay weakens into a remnant low.[25]
- October 11
Tropical Storm Lester track map
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Fifteen-E forms about 90 miles (145 km) south of Puerto Escondido, Mexico.[26]
- October 12
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Fifteen-E strengthens into a tropical storm and is named Lester.[26]
- 5:00 p.m. PDT (00:00 UTC October 13) – Tropical Storm Lester reaches its peak intensity of 50 mph (80 km/h).[26]
- October 13
- 5:00 a.m. PDT (12:00 UTC) – Tropical Storm Lester weakens into a tropical depression.[26]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Lester dissipates.[26]
- October 24
- 5:00 p.m. PDT (00:00 UTC October 25) – Tropical Depression Sixteen-E forms about 315 miles (505 km) south-southeast of the southern tip of Baja California.[27]
- 11:00 p.m. PDT (06:00 UTC October 25) – Tropical Depression Sixteen-E reaches its peak intensity of 35 mph (55 km/h).[27]
- October 26
- 3:00 a.m. PDT (10:00 UTC) – Tropical Depression Sixteen-E makes landfall on Sinaloa state in Mexico.[27]
- 11:00 a.m. PDT (18:00 UTC) – Tropical Depression Sixteen-E dissipates over land.[27]
November
- There was no tropical cyclone activity during November in the Eastern Pacific.[2]
- November 30
- The 2004 Pacific hurricane season officially ends.[3]
See also
- Timeline of the 2004 Atlantic hurricane season
- Timeline of the 2004 Pacific typhoon season
- Timelines of the South Pacific cyclone seasons: 2003–04, 2004–05
Notes
- ↑ The distance between the location of Tropical Storm Blas's formation and Manzanillo, Mexico, was calculated using the National Oceanic and Atmospheric Administration's Latitude/Longitude Distance Calculator; in the Tropical Cyclone Report for Blas, its location at formation is given as 14.6°N, 105.5°W.
References
- 1 2 Nash, Andy; Craig, Tim; Matsuda, Roy; Powell, Jeffrey (February 2005). "Overview of the 2004 Central North Pacific Tropical Cyclone Season". Central Pacific Hurricane Center. Retrieved November 12, 2010.
- 1 2 Avila, Lixion A.; Pasch, Richard J.; Beven II, John L.; Franklin, James L.; Lawrence, Miles B.; Stewart, Stacy R. (August 2, 2005). "Annual Summary: Eastern North Pacific Hurricane Season of 2004" (PDF). American Meteorological Society. Retrieved November 14, 2010. Cite uses deprecated parameter
|coauthors=(help) - 1 2 3 4 "FAQ: When is hurricane season?". Atlantic Oceanographic and Meteorological Laboratory. Retrieved November 12, 2010.
- ↑ Avila (June 1, 2004). "Tropical Weather Summary for May 2004". National Hurricane Center. Retrieved November 18, 2010.
- 1 2 Stewart; Avila (July 1, 2004). "Tropical Weather Summary for June 2004". National Hurricane Center. Retrieved November 13, 2010.
- ↑ Stewart; Lawrence; Pasch; Beven; Franklin (August 1, 2004). "Tropical Weather Summary for July 2004". National Hurricane Center. Retrieved November 18, 2010.
- ↑ Blake; Franklin (September 1, 2004). "Tropical Weather Summary for August 2004". National Hurricane Center. Retrieved November 19, 2010.
- ↑ Pasch; Stewart; Avila; Beven (October 1, 2004). "Tropical Weather Summary for September 2004". National Hurricane Center. Retrieved November 19, 2010.
- ↑ Stewart; Avila; Beven; Lawrence; Franklin; Pasch (November 1, 2004). "Tropical Weather Summary for October 2004". National Hurricane Center. Retrieved November 19, 2010.
- 1 2 3 4 5 Avila, Lixion A. (June 2, 2004). "Tropical Cyclone Report: Tropical Storm Agatha". National Hurricane Center. Retrieved August 3, 2009.
- 1 2 3 Lawrence, Miles B. (July 17, 2004). "Tropical Cyclone Report: Tropical Depression Two-E". National Hurricane Center. Retrieved August 3, 2009.
- 1 2 3 "Tropical Cyclone Report: Tropical Depression One-C". Central Pacific Hurricane Center. February 28, 2005. Retrieved August 3, 2009.
- 1 2 3 4 5 Pasch, Richard J. (September 8, 2004). "Tropical Cyclone Report: Tropical Storm Blas". National Hurricane Center. Retrieved August 3, 2009.
- 1 2 3 4 5 6 7 Stewart, Stacy R. (December 2, 2004). "Tropical Cyclone Report: Hurricane Celia". National Hurricane Center. Retrieved August 3, 2009.
- 1 2 3 4 5 6 7 8 9 10 11 12 Beven, Jack (December 13, 2004). "Tropical Cyclone Report: Hurricane Darby". National Hurricane Center. Retrieved November 11, 2010.
- ↑ Avila; Beven; Franklin; Lawrence; Pasch; Stewart (December 1, 2004). "Tropical Weather Summary". National Hurricane Center. Retrieved November 12, 2010.
- 1 2 3 Franklin, James L.; Knabb, Richard D. (November 16, 2004). "Tropical Cyclone Report: Tropical Depression Six-E". National Hurricane Center. Retrieved November 11, 2010.
- 1 2 3 4 5 6 Avila, Lixion A. (November 3, 2004). "Tropical Cyclone Report: Tropical Storm Estelle". National Hurricane Center. Retrieved November 11, 2010.
- 1 2 3 4 5 6 7 Roberts, David P.; Lawrence, Miles B. (November 12, 2004). "Tropical Cyclone Report: Hurricane Frank". National Hurricane Center. Retrieved November 11, 2010.
- 1 2 3 Pasch, Richard J. (November 12, 2004). "Tropical Cyclone Report: Tropical Depression Nine-E". National Hurricane Center. Retrieved November 11, 2010.
- 1 2 3 4 5 Stewart, Stacy R. (December 2, 2004). "Tropical Cyclone Report: Tropical Storm Georgette". National Hurricane Center. Retrieved November 11, 2010.
- 1 2 3 4 5 6 7 8 9 10 11 Beven, Jack (December 13, 2004). "Tropical Cyclone Report: Hurricane Howard". National Hurricane Center. Retrieved November 12, 2010.
- 1 2 3 4 5 6 7 8 Franklin, James L.; Roberts, David P. (November 17, 2004). "Tropical Cyclone Report: Hurricane Isis". National Hurricane Center. Retrieved November 12, 2010.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Avila, Lixion A. (November 15, 2004). "Tropical Cyclone Report: Hurricane Javier". National Hurricane Center. Retrieved November 12, 2010.
- 1 2 3 4 5 Roberts, David P, Lawrence, Miles B. (November 20, 2004). "Tropical Cyclone Report: Tropical Storm Kay". National Hurricane Center. Retrieved November 12, 2010.
- 1 2 3 4 5 Pasch, Richard J. Roberts, David P. (December 10, 2004). "Tropical Cyclone Report: Tropical Storm Lester". National Hurricane Center. Retrieved November 12, 2010.
- 1 2 3 4 Stewart, Stacy R. (November 18, 2004). "Tropical Cyclone Report: Tropical Depression Sixteen-E". National Hurricane Center. Retrieved November 12, 2010.
External links
| Preceded by 2003 |
Pacific hurricane seasons timelines 2004 |
Succeeded by 2005 |
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