Timeline of the 2011 Pacific hurricane season

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Timeline of the
2011 Pacific hurricane season
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 officially started on May 15, 2011 in the eastern Pacific, designated as the area east of 140°W, and on June 1, 2011 in the central Pacific, which is between the International Date Line and 140°W, and lasted until November 30, 2011. These dates typically limit the period of each year when most tropical cyclones form in the eastern Pacific basin. This timeline documents all the storm formations, strengthening, weakening, landfalls, extratropical transitions, as well as dissipation.

The first storm of the season, Hurricane Adrian formed off the southwest coast of Mexico. Thirteen tropical cyclones developed during the season. Most of these attained tropical storm status, and seven attained hurricane status. However this streak ended when Tropical Storm Fernanda formed and dissipated, never having reached hurricane strength.

Timeline of events

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

May

May 15

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

June

June 1

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

June 7

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

June 9

June 10

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

June 12

June 19

June 20

June 21

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

July

July 7

July 8

July 9

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

July 18

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

July 20

July 21

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

July 24

July 25

July 31

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

August 1

August 2

August 3

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

August 5

August 6

August 15

August 16

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

August 18

August 19

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

August 21

August 31

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

September

September 1

September 21

September 22

September 23

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

September 26

September 27

September 28

Track map of Hurricane Hilary

September 29

September 30

October

October 6

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

October 8

October 10

Satellite image of Hurricane Jova near peak intensity late on October 10

October 11

October 12

October 13

October 15

October 16

November

Hurricane Kenneth on November 21.

November 19

November 20

November 21

November 22

November 23

November 25

November 30

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

Notes

  1. ^ 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.[14][15]

See also

References

  1. ^ a b c Neal Dorst (January 21, 2010). "Subject: G1) When is hurricane season ?". National Hurricane Center. Retrieved 19 July 2011.
  2. ^ a b c d e f g h i j k Robbie J. Berg (September 7, 2011). Tropical Cyclone Report: Hurricane Adrian (PDF) (Report). Miami, Florida: National Hurricane Center. pp. 1, 2, 4. Retrieved September 10, 2011.
  3. ^ a b c d e f Todd B. Kimberlain (October 27, 2011). Tropical Cyclone Report: Hurricane Beatriz (PDF) (Report). Miami, Florida: National Hurricane Center. pp. 1, 2, 5. Retrieved October 27, 2011.
  4. ^ 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.
  5. ^ a b c d e f g h i j k l 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.
  6. ^ a b c d e f g h i j k l Blake, Eric (September 6, 2011). "Tropical Cyclone Report: Hurricane Eugene" (PDF). Miami, Florida: National Hurricane Center. Archived (PDF) from the original on August 18, 2023. Retrieved September 20, 2011.
  7. ^ 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.
  8. ^ 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.
  9. ^ 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.
  10. ^ a b c d e f g h i j k l m n o 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.
  11. ^ a b c d e f g h i j 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.
  12. ^ 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.
  13. ^ a b c 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.
  14. ^ 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.
  15. ^ 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.
  16. ^ 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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