Hurricane Dora (2011)

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Hurricane Dora
Baja California Peninsula, Southwestern United States
IBTrACS / [1]

Part of the 2011 Pacific hurricane season

Hurricane Dora was the strongest

inHg) and maximum sustained winds of 155 mph (250 km/h). However, the storm's path into an area with cool sea surface temperatures and wind shear caused Dora to quickly deteriorate and weaken. By July 24, Dora had degenerated into a remnant low-pressure area
west of the Baja California Peninsula.

Dora brought stormy conditions to the southwestern Mexico coast and the

Baja California Peninsula throughout its existence. Remaining off the coast from its formation to dissipation, Dora's effects on land were slight. However, the outer rainbands of the hurricane caused flooding and mudslides in southern Mexico and Guatemala, while rough surf toppled a lighthouse and damaged 60 restaurants along the coast. The hurricane's remnants contributed to heightened shower and thunderstorm activity across New Mexico and Arizona
in late July.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
Map key
  Tropical depression (≤38 mph, ≤62 km/h)
  Tropical storm (39–73 mph, 63–118 km/h)
  Category 1 (74–95 mph, 119–153 km/h)
  Category 2 (96–110 mph, 154–177 km/h)
  Category 3 (111–129 mph, 178–208 km/h)
  Category 4 (130–156 mph, 209–251 km/h)
  Category 5 (≥157 mph, ≥252 km/h)
  Unknown
Storm type
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

The origins of Hurricane Dora can be traced back to a

tropical storm by this point after developing six hours earlier.[1]

After development, Dora was steered towards the northwest by a

Dora held its peak strength for just six hours before it began to weaken due to cooler waters and the presence of

Baja California Peninsula. Twelve hours later, the system degenerated into a remnant low pressure area devoid of any thunderstorm activity. The low persisted for a day as it tracked north-northwestward, eventually dissipating 70 mi (110 km) south-southwest of Bahía Asunción on July 26.[1]

Preparations and impact

Hurricane and tropical storm-force wind swaths during Dora's existence

On July 20, the Government of Mexico issued a

tropical storm warning as Dora neared the coast. However, the warning was lifted after the hurricane weakened and moved away from land.[1] In Guerrero, the threat of flooding prompted the state government to prepare 900 shelters, while boaters were ordered to exercise caution due to rough seas generated by the nearby tropical cyclone.[12]

The outer rainbands of the tropical cyclone caused flooding in the states of Chiapas, Guerrero, and Chiapas, resulting in some damage.[13] Several mudslides in southern Mexico and Guatemala were attributed to these rains.[14] Off the Mexican coast, waves from Dora peaked at 13 ft (4.0 m).[13] These high waves toppled a lighthouse roughly 35 mi (56 km) east of Acapulco and also damaged or swept away 60 thatch-roofed restaurants around La Penitas and La Bocana.[15] After passing southwestern Mexico, Dora was expected to track near the Baja California Peninsula, forcing port authorities in Los Cabos Municipality to suspend boat tours and other tourist services. Four elementary schools were converted into emergency shelters in preparation for potential flooding.[16] Residual moisture from Dora enhanced the monsoonal flow over Arizona and New Mexico, producing showers across the region.[17][18]

See also

Notes

  1. ^ For consistency, Coordinated Universal Time (UTC) is used throughout this article as the cyclone existed in multiple time zones.

References

  1. ^ a b c d e f g h i j k l Brown, Daniel P.; National Hurricane Center (November 3, 2011). "Hurricane Dora" (PDF). Tropical Cyclone Report. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  2. ^ Stewart, Stacy R.; National Hurricane Center (July 16, 2011). "Tropical Weather Outlook for 1100 AM PDT Saturday, July 16, 2011". NHC Graphical Outlook Archive. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  3. ^ Cangialosi, John; National Hurricane Center (July 17, 2011). "Tropical Weather Outlook for 1100 PM PDT Sunday, July 17, 2011". NHC Graphical Outlook Archive. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  4. ^ a b Stewart, Stacy R.; National Hurricane Center (July 18, 2011). "Tropical Depression Four-E Advisory Number 1". Tropical Depression FOUR-E. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  5. ^ Blake, Eric; National Hurricane Center (July 19, 2011). "Tropical Storm Dora Discussion Number 6". Tropical Storm DORA. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  6. S2CID 12079717. Archived from the original
    (PDF) on November 28, 2007. Retrieved July 10, 2014.
  7. ^ Blake, Eric; National Hurricane Center (July 20, 2011). "Hurricane Dora Discussion Number 10". Hurricane DORA. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  8. ^ Cangialosi, John; National Hurricane Center (July 21, 2011). "Hurricane Dora Discussion Number 12". Hurricane DORA. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  9. ^ a b Blake, Eric; National Hurricane Center (July 21, 2011). "Hurricane Dora Discussion Number 14". Hurricane DORA. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  10. ^ Pasch, Richard; National Hurricane Center (July 21, 2011). "Hurricane Dora Discussion Number 15". Hurricane DORA. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  11. ^ Stewart, Stacy R.; National Hurricane Center (July 19, 2011). "Hurricane Dora Advisory Number 7". Hurricane DORA. Miami, Florida: United States National Oceanic and Atmospheric Administration's National Weather Service. Retrieved July 9, 2014.
  12. ^ "Dora named 4th hurricane of Eastern Pacific season". USA Today. Associated Press. July 21, 2011. Retrieved July 10, 2014.
  13. ^ a b "Mexico on high alert for strengthened hurricane". Mexico City, Mexico: Xinhua. Xinhua. July 21, 2011. Archived from the original on July 11, 2014. Retrieved July 10, 2014.
  14. ^ "Storm warnings off Mexican coast as hurricane weakens". Washington, D.C. Deutsche Presse-Agentur. July 22, 2011.
  15. ^ "Monstrous Hurricane Dora trudges away from Mexico". The Network Journal. Associated Press. July 20, 2011. Retrieved July 10, 2014.
  16. ^ "Monstrous Hurricane Dora keeps Mexico on alert". Los Cabos, Mexico: USA Today. Associated Press. July 24, 2011. Retrieved July 10, 2014.
  17. ^ "Hurricane Dora ramping up the Monsoon this weekend". Tucson, Arizona: NBC News Digital, LLC. KVOA. July 22, 2011. Archived from the original on July 14, 2014. Retrieved July 10, 2014.
  18. ^ Sullins, Amber (July 24, 2011). "Weather". Good Morning America. ABC News.

External links