Hurricane Daniel (2006)

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Map key
Saffir–Simpson scale
  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
ArrowUp.svg Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

A tropical wave exited the west coast of Africa on July 2, which crossed into the eastern Pacific Ocean ten days later. Convection increased and slowly organized as the system moved westward, steered by a mid-level ridge. With convective rainbands near an associated low-level circulation, the system developed into a tropical depression late on July 16, located about 525 miles (845 km) south-southwest of Manzanillo, Colima. Conditions favored further development, including warm sea surface temperatures, very low amounts of wind shear, and an established anticyclone. On July 17, the depression strengthened into Tropical Storm Daniel, as outflow improved and banding features developed. The thunderstorms organized into a central dense overcast, and in the center, an eye developed. Late on July 18, Daniel attained hurricane status. It underwent an eyewall replacement cycle, temporarily halting its intensification trend. Daniel restrengthened and attained major hurricane status on July 20. The structure evolved into an annular hurricane, with a large and large eye 30 mi (45 km) in diameter. On July 21, the hurricane underwent another eyewall replacement cycle. Afterward, Daniel attained peak winds of 150 mph (240 km/h) early on July 22, making it a strong Category 4 hurricane on the Saffir-Simpson scale. It maintained peak winds for about 18 hours before weakening due to cooler waters. Daniel entered the Central Pacific on July 24. It decelerated as the ridge to its north weakened, and due to the combination of cool waters and increasing easterly shear, Daniel weakened to a tropical storm on July 25. The thunderstorms dwindled, and Daniel fell to tropical depression status on July 26. A day later, it degenerated into a remnant low, which dissipated just southeast of the Big Island of Hawaii on July 28. [1] [2] [3] [4] [5] [6] [7] [8] [9]

Preparations and impact

Satellite image of the remnants of Daniel near Hawaii on July 28. TD Daniel (2006).JPG
Satellite image of the remnants of Daniel near Hawaii on July 28.

When Hurricane Daniel was forecast to pass through the Hawaiian islands as a tropical storm, state and Hawaii County officials recommended residents prepare hurricane kits. [10] The Honolulu National Weather Service issued a high surf advisory for east facing beaches in Hawaii, and warned beachgoers to remain out of the water. [11] The National Weather Service issued a flash flood watch and wind advisory in association with the remnants of Daniel. [12]

The remnants produced 2–5 inches (50–125 mm) of rainfall throughout windward areas of the Big Island of Hawaii and Maui on July 28 and 29. [9] West Wailuaiki on Maui recorded 3.87 inches (98.3 mm) in one day, which was the highest daily rainfall total from the hurricane. [13] The storm also dropped precipitation on the East Maui watershed. [14] The rainfall particularly in Kailua-Kona on the Big Island caused ponding on roadways, as well as flooding of small streams. [15] A station in Ka Lae briefly reported sustained winds of about 35 mph (56 km/h) with gusts to 45 mph (72 km/h). [9]

During the 61st Interdepartmental Hurricane Conference, the Hawaii State Civil Defense requested the retirement of the name Daniel, citing that it became one of the several storms memorable for threat or damage. [16] However, the World Meteorological Organization did not approve the request. [17]

See also

References

  1. 1 2 Jack Beven (2006). "Hurricane Daniel Tropical Cyclone Report" (PDF). National Hurricane Center . Retrieved July 18, 2007.
  2. ↑ Beven (2006). "Tropical Depression Five-E Discussion One". National Hurricane Center. Retrieved July 29, 2007.
  3. ↑ Pasch (2006). "Tropical Depression Five-E Discussion Two". National Hurricane Center. Retrieved July 29, 2007.
  4. ↑ Stewart (2006). "Tropical Storm Daniel Discussion Three". National Hurricane Center. Retrieved July 29, 2007.
  5. ↑ Mainelli & Avila (2006). "Tropical Storm Daniel Discussion Five". National Hurricane Center. Retrieved July 29, 2007.
  6. ↑ Pasch (2006). "Tropical Storm Daniel Discussion Six". National Hurricane Center. Retrieved July 29, 2007.
  7. ↑ Rhome & Stewart (2006). "Hurricane Daniel Discussion Eight". National Hurricane Center. Retrieved July 29, 2007.
  8. ↑ Brown (2006). "Hurricane Daniel Discussion Sixteen". National Hurricane Center. Retrieved December 28, 2007.
  9. 1 2 3 "Overview of the 2006 Central North Pacific Tropical Cyclone Season". Central Pacific Hurricane Center. 2006. Archived from the original on January 3, 2008. Retrieved December 28, 2007.
  10. ↑ Rod Thomson (July 25, 2006). "Weakening Hurricane Daniel still a concern for Big Isle". Honolulu Star-Bulletin. Retrieved December 29, 2007.
  11. ↑ "Hurricane Season 2006: Daniel (Eastern Pacific)". National Aeronautics and Space Administration. 2006. Archived from the original on October 19, 2012. Retrieved December 29, 2007.
  12. ↑ Honolulu National Weather Service (2006). "July 2006 Tropical Weather Statements". Archived from the original (TXT) on February 9, 2012. Retrieved December 29, 2007.
  13. ↑ Kevin R. Kodama (2006). "July 2006 Hawaii Precipitation Summary". Honolulu National Weather Service. Archived from the original on September 29, 2006. Retrieved December 29, 2007.
  14. ↑ Edwin Tanji (July 29, 2006). "Trades dissipate remnants of Daniel". Maui News.
  15. ↑ "Heavy Rain Event Report for Hawaii". National Climatic Data Center . Retrieved March 7, 2026.
  16. ↑ "The Nation's Hurricane Program: An Interagency Success Story" (PDF). Interdepartmental Hurricane Conference. 2007. Archived from the original (PDF) on March 3, 2009. Retrieved December 29, 2007.
  17. ↑ Dennis H. McCarthy (2007). "National Weather Service Instruction Tropical Cyclone Names and Pronunciation Guide" (PDF). Archived from the original (PDF) on September 10, 2008. Retrieved December 29, 2007.
Hurricane Daniel
Daniel 2006-07-21 2155Z.jpg
Hurricane Daniel near peak intensity on July 21
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