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Timeline of the 2011 Pacific hurricane season

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Timeline of the
2011 Pacific hurricane season
A map of the Pacific Ocean depicting the tracks of the 13 tropical cyclones that formed in 2011.
Season summary map
Season boundaries
First system formedJune 7, 2011
Last system dissipatedNovember 25, 2011
Strongest system
NameDora
Maximum winds155 mph (250 km/h)
(1-minute sustained)
Lowest pressure929 mbar (hPa; 27.43 inHg)
Longest lasting system
NameIrwin
Duration10.75 days
Storm articles
Other years
2009, 2010, 2011, 2012, 2013

The 2011 Pacific hurricane season consisted of the events that occurred in the annual cycle of tropical cyclone formation over the Pacific Ocean north of the equator and east of the International Date Line. The official bounds of each Pacific hurricane season are dates that conventionally delineate the period each year during which tropical cyclones tend to form in the basin according to the National Hurricane Center (NHC), beginning on May 15 in the Eastern Pacific proper (east of 140°W) and June 1 in the Central Pacific (140°W to the International Date Line), and ending on November 30 in both areas. However, tropical cyclogenesis is possible at any time of year.[1] The season generated eleven tropical storms, which is below the 1991–2020 average of fifteen.[1] However, all but one became hurricanes and six further strengthened into major hurricanes,[nb 1] eclipsing the 1991–2020 averages of eight hurricanes and four major hurricanes.[1] There were also two tropical depressions that remained below tropical storm status. The first system, Hurricane Adrian, formed on June 7; the final, Hurricane Kenneth, was the latest in a calendar year to exist east of 140°W since 1983, dissipating on November 25.[2]

Several tropical cyclones impacted land during the 2011 season. The deadliest was Tropical Depression Twelve-E, which was part of a large area of torrential rains over Central America in mid-October. Widespread and destructive flooding and mudslides occurred in southeastern Mexico and Guatemala; at least thirty-six fatalities were directly attributed to the tropical depression itself, with many more in Central America being blamed on the overall weather system.[nb 2] On the same day that Twelve-E made landfall, Hurricane Jova came ashore further to the west, in the Mexican state of Jalisco, at Category 2 strength; high winds and heavy rains killed nine people[7] and caused at least MX$3.164 billion (US$254.3 million) in losses.[nb 3] Hurricane Beatriz in June claimed four lives when it passed a short distance off the Mexican state of Colima, producing strong winds and locally significant flooding on land.[10] Hurricanes Adrian in early June, Dora in July, and Hilary in late September all threatened or brushed the Pacific coast of Mexico but only caused minor peripheral effects.[11][12][13]

Prior to 2015, two time zones were utilized in the Eastern Pacific basin: Pacific east of 140°W, and Hawaii−Aleutian from 140°W to the International Date Line.[14][15] For convenience, each event is listed in Coordinated Universal Time (UTC) first, using the 24-hour clock (where 00:00 = midnight UTC),[16] with the respective local time included in parentheses. Figures for maximum sustained winds and position estimates are rounded to the nearest five units (knots, miles, or kilometers) and averaged over one minute, 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. This timeline documents the formation of tropical cyclones as well as the strengthening, weakening, landfalls, extratropical transitions, and dissipations during the season. It also includes information that was not released while the storm was active, meaning that data from post-storm reviews by the National Hurricane Center and the Central Pacific Hurricane Center is included.

Timeline of events

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Tropical Depression Twelve-E (2011)Hurricane Jova (2011)Hurricane Hilary (2011)Hurricane Dora (2011)Hurricane Beatriz (2011)Hurricane Adrian (2011)Saffir–Simpson scale

May

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May 15

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  • The 2011 East Pacific hurricane season officially begins.[1]

June

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June 1

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  • The 2011 Central Pacific hurricane season officially begins.[1]

June 7

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A map of the path of a hurricane off the Pacific coast of Mexico, generally moving to the west-northwest throughout its duration
Track map of Hurricane Adrian

June 8

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June 9

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June 10

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A photograph of a powerful hurricane off the Pacific coast of Mexico
Satellite image of Hurricane Adrian near peak intensity early on June 10

June 11

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June 12

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June 19

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June 20

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June 21

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A photograph of a hurricane very close to the Pacific coast of Mexico. Its convection is fragmented and lopsided, hinting that it is about to drastically weaken.
Short-wave infrared satellite image of Hurricane Beatriz making its closest approach to Mexico early on June 21

June 22

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July

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July 7

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July 8

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July 9

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A map of the path of a hurricane heading west-northwestward away from the Pacific coast of Mexico
Track map of Hurricane Calvin

July 10

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July 18

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A map of the path of a hurricane off the Pacific coasts of Central America and Mexico, moving generally northwestward but arcing slightly inward toward the shoreline
Track map of Hurricane Dora

July 19

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July 20

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July 21

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A photograph of a powerful hurricane off the Pacific coast of Mexico. There is slightly less convection and cloud cover in the top-right quadrant of the storm compared to the other three quadrants.
Satellite image of Hurricane Dora at peak intensity on July 21

July 22

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July 24

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July 25

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July 31

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A map of the path of a hurricane well off the Pacific coast of Mexico, heading generally west-northwestward for its entire life
Track map of Hurricane Eugene

August

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August 1

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August 2

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August 3

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A photograph of a powerful hurricane over the open Pacific Ocean, with long rainbands extending to the south and southwest
Satellite image of Hurricane Eugene at peak intensity late on August 3

August 4

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August 5

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August 6

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August 15

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August 16

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A photograph of a tropical storm over the Eastern Pacific Ocean. It has tightly-wound spiral bands, but the convection near the center is broken. A large arc of high clouds is fanning out to the west, north, and northeast of the storm.
Satellite image of Tropical Storm Fernanda late on August 17

August 17

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August 18

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August 19

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A map of the path of a hurricane that moves west-northwestward off the Pacific coast of, and away from, Mexico
Track map of Hurricane Greg

August 20

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August 21

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August 31

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A photograph of a tropical depression over southwestern Mexico
Satellite image of Tropical Depression Eight-E shortly after landfall on August 31

September

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September 1

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September 21

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September 22

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September 23

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A photograph of a powerful hurricane just off the Pacific coast of Mexico, with some of its northern rainbands spreading over land. The hurricane has an oblong shape, oriented from the lower-left to the upper-right.
Satellite image of Hurricane Hilary at peak intensity late on September 23

September 25

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September 26

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September 27

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September 28

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A map of the path of a hurricane over the Eastern Pacific Ocean. It begins by moving west-northwestward closely parallel the coast of Mexico; it then shifts westward out to sea, before turning to the northwest later in its life.
Track map of Hurricane Hilary

September 29

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September 30

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October

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October 6

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A map of the erratic path of a hurricane over the Eastern Pacific Ocean. First it moves to the west-northwest, then to the east before turning northeastward, and finally a sharp turn to the south.
A map of the path of a hurricane over the Eastern Pacific Ocean. It begins by moving northwestward, parallel to the coast of Mexico; it eventually turns first to the east, and then north-northeastward to a landfall on the central Mexican coast.
Track maps of hurricanes Irwin (top) and Jova (bottom), which developed within six hours of each other

October 7

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October 8

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October 10

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A photograph of a powerful hurricane off the Pacific coast of Mexico, approaching landfall. A thick rainband curves around the hurricane to its north and is beginning to spread over land, while a long arc of thin, high clouds is fanning out to the southeast, southwest, and northwest.
Satellite image of Hurricane Jova near peak intensity late on October 10

October 11

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October 12

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A photograph of a tropical depression over southeastern Mexico and western Guatemala
Satellite image of Tropical Depression Twelve-E just after landfall on October 12

October 13

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October 15

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October 16

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November

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A map of the bumpy but generally westward path of a hurricane off the Pacific coast of Mexico
Track map of Hurricane Kenneth

November 19

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November 20

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November 21

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November 22

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A photograph of a powerful hurricane over the Eastern Pacific Ocean. It has a clear eye surrounded by a small but nearly axisymmetrical area of deep convection. A large area of high clouds is fanning out to the north and west of the hurricane, with a pronounced band spiraling out to the south and southwest. A small and thin area of convection, oriented north to south, is to the right of Kenneth.
Satellite image of Hurricane Kenneth near peak intensity on November 22

November 23

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November 25

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November 30

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  • The 2011 Pacific hurricane season officially ends.[1]

Notes

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  1. ^ A major hurricane is a Pacific or Atlantic hurricane that reaches Category 3 or higher on the five-level Saffir–Simpson scale, with maximum sustained winds of at least 111 mph (179 km/h).[1]
  2. ^ Cited to multiple sources:[3][4][5][6]
  3. ^ The estimate of monetary losses due to Hurricane Jova was ascertained by combining figures provided by La Jornada – MX$885 million (US$71.1 million) in Jalisco;[8] and CENAPRED – MX$2.279 billion (US$183.2 million) in Colima.[9]
  4. ^ On November 6, daylight saving time ended in most areas of the basin, which resulted in the gap between UTC and local time widening by one hour. Hawaii was not affected; the state has not observed daylight saving time since 1945.[23][24]

See also

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References

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  1. ^ a b c d e f g "Tropical Cyclone Climatology". Miami, Florida: National Hurricane Center. Archived from the original on April 1, 2024. Retrieved July 16, 2024.
  2. ^ Blake, Eric S.; Kimberlain, Todd B. (May 1, 2013). "Eastern North Pacific Hurricane Season of 2011". Monthly Weather Review. 141 (5). American Meteorological Society: 1397–1412. Bibcode:2013MWRv..141.1397B. doi:10.1175/MWR-D-12-00192.1.
  3. ^ a b c d Kimberlain, Todd B. (January 12, 2012). Tropical Cyclone Report: Tropical Depression Twelve-E (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on December 5, 2023. Retrieved July 19, 2024.
  4. ^ "Central America Death Toll at 45 from Heavy Rains". Reuters. Tegucigalpa, Honduras. October 15, 2011. Archived from the original on October 19, 2011. Retrieved July 21, 2024.
  5. ^ "Suben a 34 los Fallecidos por Lluvias en Centroamérica". El Nacional (in Spanish). Reuters. October 14, 2011. Archived from the original on 2011-10-15. Retrieved July 21, 2024.
  6. ^ "Cerca de 30 Muertos por Lluvias Que Comienzan a Amainar en Centroamérica". Univision (in Spanish). EFE. October 13, 2011. Archived from the original on October 26, 2014. Retrieved July 21, 2024.
  7. ^ a b c d e f g h i j k Brennan, Michael J. (May 18, 2012). Tropical Cyclone Report: Hurricane Jova (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on September 30, 2023. Retrieved July 19, 2024.
  8. ^ García, Juan Carlos (October 18, 2011). "Solicitará Emilio González $885 millones por Jova". La Jornada (in Mexican Spanish). Archived from the original on October 8, 2023. Retrieved July 23, 2024.
  9. ^ Méndez Estrada, Karla Margarita; Franco Vargas, Ernesto; Nolasco Mata, Jessica (February 2024). Impacto Socioeconómico de los Prinicipales Desastres Ocurridos en la República Mexicana en 2022 (PDF) (Report) (in Mexican Spanish). CENAPRED. p. 100. Archived (PDF) from the original on July 18, 2024. Retrieved September 14, 2024.
  10. ^ a b c d e f g Kimberlain, Todd B. (October 27, 2011). Tropical Cyclone Report: Hurricane Beatriz (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on March 2, 2024. Retrieved October 27, 2011.
  11. ^ a b c d e f g h i j k l Berg, Robbie (September 7, 2011). Tropical Cyclone Report: Hurricane Adrian (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on December 5, 2023. Retrieved September 10, 2011.
  12. ^ a b c d e f g h i j k l m Brown, Daniel P. (November 3, 2011). Tropical Cyclone Report: Hurricane Dora (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on September 7, 2023. Retrieved July 18, 2024.
  13. ^ a b c d e f g h i j k l m n o p Beven II, John L.; Landsea, Christopher W. (January 20, 2012). Tropical Cyclone Report: Hurricane Hilary (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on October 17, 2022. Retrieved January 20, 2012.
  14. ^ "NHC Tropical Cyclone Text Product Descriptions". Miami, Florida: National Hurricane Center. Archived from the original on July 10, 2024. Retrieved July 13, 2024.
  15. ^ "Update on NHC Products and Services for 2015" (PDF). Miami, Florida: National Hurricane Center. March 26, 2015. Archived (PDF) from the original on November 28, 2023. Retrieved July 13, 2024.
  16. ^ "Understanding the Date/Time Stamps". Silver Spring, Maryland: National Weather Service. Archived from the original on February 26, 2023. Retrieved March 21, 2024.
  17. ^ a b c d e f Stewart, Stacy R. (November 8, 2011). Tropical Cyclone Report: Hurricane Calvin (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on July 15, 2023. Retrieved July 18, 2024.
  18. ^ a b c d e f g h i j k l Blake, Eric (September 6, 2011). Tropical Cyclone Report: Hurricane Eugene (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on August 18, 2023. Retrieved September 20, 2011.
  19. ^ a b c d e f Pasch, Richard J. (February 3, 2012). Tropical Cyclone Report: Tropical Storm Fernanda (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on December 15, 2023. Retrieved July 18, 2024.
  20. ^ a b c d e f g Avila, Lixion A. (December 22, 2011). Tropical Cyclone Report: Hurricane Greg (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on July 15, 2023. Retrieved July 18, 2024.
  21. ^ a b c d Cangialosi, John P. (October 27, 2011). Tropical Cyclone Report: Tropical Depression Eight-E (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on July 7, 2022. Retrieved July 19, 2024.
  22. ^ a b c d e f g h i j k Berg, Robbie (January 10, 2012). Tropical Cyclone Report: Hurricane Irwin (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on January 21, 2022. Retrieved January 13, 2012.
  23. ^ Handwerk, Brian (March 11, 2011). "Daylight Saving Time 2011: Why and When Does It Begin?". National Geographic. Washington, D.C. Archived from the original on June 28, 2023. Retrieved July 19, 2024.
  24. ^ Enten, Harry (March 12, 2022). "The Daylight Saving Time debate is nothing to lose sleep over". CNN. Atlanta, Georgia. Archived from the original on March 31, 2024. Retrieved May 13, 2024.
  25. ^ a b c d e f g h i j k Stewart, Stacy R. (January 14, 2012). Tropical Cyclone Report: Hurricane Kenneth (PDF) (Report). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on September 7, 2023. Retrieved July 19, 2024.
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