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Tropical Storm Norman (2006)

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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 moved off the coast of Africa on September 21. It moved across the Atlantic Ocean, entering the eastern Pacific on October 1. By October 5, the system produced a large area of convection. The western portion of the system later developed into Tropical Storm Olivia, while the eastern portion developed into Tropical Depression Fifteen-E early on October 9, about 765 mi (1,231 km) southwest of the southern tip of the Baja California Peninsula. [1] The depression moved north-northwestward around the western periphery of a weak ridge. [2] Located over warm water temperatures, the depression intensified into Tropical Storm Norman 12 hours after forming, as its convection organized over the center. [3] Norman attained peak winds of 50 mph (80 km/h) early on October 10. [1] Shortly after peaking in intensity, southwesterly wind shear increased, causing Norman to weaken and lose thunderstorms over the center. At the same time, a trough turned the storm to the east. [4] Early on October 11, Norman degenerated into a remnant low about 530 miles (850 km) southwest of Cabo San Lucas, Mexico. [1] The remnants of Norman interacted with a tropical disturbance off the coast of Mexico, causing convection to reform and organize. Early on October 15, it reformed into a tropical depression, near the coast of southwestern Mexico. [1] The center quickly became less-organized, [5] turning northward and northwestward within the larger tropical disturbance. Late on October 15, it is estimated Tropical Depression Norman dissipated 23 miles (37 km) south and offshore of Manzanillo, Colima, although satellite imagery suggested the center may have dissipated inland. [1]

Preparations and impact

Satellite image of regenerated Norman near the Mexican coast Tropical Depression Norman (2006).PNG
Satellite image of regenerated Norman near the Mexican coast

When Norman redeveloped into a tropical cyclone, the government of Mexico issued a tropical storm warning from Lázaro Cárdenas to Cabo Corrientes. [1]

The storm brought heavy rainfall to southwestern Mexico, peaking at 6.35 inches (161 mm) in La Villita, Michoacán. [6] Flooding from four days of rainfall caused officials to close schools in and around Acapulco. The rainfall resulted in downed trees and mudslides. About 150 homes became flooded, resulting in military personnel to assist in evacuating the flooded houses. [7] In total, 20 homes were destroyed, and 20 villages were left without power. [8] A transport vehicle carrying 15 people was swept away by a flooded stream, resulting in one injury; the truck was later rescued by police workers. [7] About 300 hectares (740 acres) of crop fields sustained damage; [8] however, little crop damage was reported, as the storm occurred after harvesting had ended. [7]

See also

References

  1. 1 2 3 4 5 6 Jack Beven (2006-11-30). "Tropical Storm Norman Tropical Cyclone Report" (PDF). National Hurricane Center. Retrieved 2008-08-29.
  2. ↑ Rhome/Pasch (2006-10-09). "Tropical Depression Fifteen Special Discussion One". National Hurricane Center. Retrieved 2008-08-30.
  3. ↑ James Franklin (2006-10-09). "Tropical Storm Norman Discussion Three". National Hurricane Center. Retrieved 2008-08-30.
  4. ↑ Knabb/Willis (2006-10-09). "Tropical Storm Norman Discussion Six". National Hurricane Center. Retrieved 2008-08-30.
  5. ↑ Brown/Knabb (2006-10-09). "Tropical Depression Norman Discussion Eleven". National Hurricane Center. Retrieved 2008-08-30.
  6. ↑ Servicio Meteorológico Nacional (2006). "Resumen de la Tormenta Tropical "Norman" Del Océano Pacífico" (PDF). Archived from the original (PDF) on June 25, 2007. Retrieved 2008-08-31.
  7. 1 2 3 Juan Cervantes Gómez (2006-10-16). "Suspenden clases en Acapulco por tormenta tropical "Norman"" (in Spanish). El Universal. Archived from the original on 2014-01-02. Retrieved 2008-08-31.
  8. 1 2 La Journada (2006-10-17). "Desbordan lluvias ríos en Guerrero" (in Spanish). Archived from the original on 2013-01-12. Retrieved 2008-08-31.
Tropical Storm Norman
TS Norman 09 oct 2006 1849Z.jpg
Tropical Storm Norman near peak intensity on October 9
Tropical cyclones of the 2006 Pacific hurricane season
2006 Pacific hurricane season summary map.png

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