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Hurricane Bridget
This NOAA 1 weather satellite picture of Hurricane Bridget was taken on June 16, 1971
Meteorological history
FormedJune 14, 1971
DissipatedJune 20, 1971
Category 2 hurricane
1-minute sustained ( SSHWS/ NWS)
Highest winds100 mph (155 km/h)
Overall effects
Fatalities17 total
Damage$40 million (1971 USD)
Areas affectedMexico
IBTrACS Edit this at Wikidata
Part of the 1971 Pacific hurricane season

Hurricane Bridget of June 1971 was one of the worst hurricanes to strike the Mexican city of Acapulco. It formed on June 14 as a tropical depression, which is a minimal tropical cyclone with winds less than gale force. However, it was soon upgraded to a tropical storm, and Bridget steadily intensified to become a hurricane on June 15. After peaking at Category 2 intensity, it weakened to a tropical storm on June 17, then made landfall in Mexico. Hours later, however, it turned offshore as a tropical depression. Bridget dissipated on June 20 after leaving heavy damage and 17 deaths in the Acapulco area.

Meteorological history

Map plotting the storm's track and intensity, according to the Saffir–Simpson scale
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
triangle Extratropical cyclone, remnant low, tropical disturbance, or monsoon depression

The origins of the hurricane were from a tropical wave that exited the coast of Africa on June 3. Around four days later the system entered the Caribbean Sea, passing over the San Andres islands on June 12. [1] The area of convection, or thunderstorms, spread across Central America. A surface circulation developed offshore El Salvador, [2] and the system formed into a tropical depression on June 14. [3] For much of the summer of 1971, a large pool of anomalously warm water temperatures extended from Central America to the Gulf of California off the Mexican coast, reaching 89.6 °F (32 °C). This allowed for steady intensification as it tracked through the Gulf of Tehuantepec. [2]

Early on June 15, a ship reported winds of 40 mph (65 km/h) and 13 ft (4.0 m) seas, which prompted the Eastern Pacific Hurricane Center (EPHC) to upgrade the depression to Tropical Storm Bridget. The storm maintained a general northwest track toward the southwest Mexican coastline. It gradually intensified, and satellite images late on June 16 indicated that Bridget attained hurricane status about 55 mi (95 km) southwest of Puerto Ángel, Oaxaca. [2] It quickly intensified as it neared the coast, reaching winds of 100 mph (155 km/h) just southwest of Acapulco coastline before weakening. [3] Bridget paralleled the Mexican coastline just offshore before making landfall at 1200  UTC on June 17, about 100 mi (160 km) southeast of Manzanillo, Colima. The hurricane rapidly weakened over the mountainous terrain, emerging into the Pacific Ocean as a tropical depression after being over land for only a few hours. [2] Bridget turned westward as a weak tropical cyclone, eventually dissipating on June 20 to the south of the Baja California peninsula. [3]

Preparations and impact

While passing to the southwest of Acapulco, Bridget produced heavy rainfall and strong wind gusts reaching 104 mph (167 km/h). The winds damaged or destroyed many roofs across Acapulco, signs, and windows. [2] Strong winds also downed trees and power lines, which left most of Acapulco without electricity. [4] Along the coast, the hurricane produced high tides and waves which flooded low-lying coastal areas with around 1.5 ft (0.46 m) of water. [2] [5] The high tides damaged coastal properties and destroyed 21 boats, including the flagship of the Admiral of the Mexican Navy. [2] Debris-clogged drains caused drainage facilities to exceed their capacities following the heavy rainfall. [2] Overall, the storm killed 17 people in the region, [6] and caused five additional injuries. [4]

Damage in the area around Acapulco was estimated at 500 million pesos ($40 million USD). This made it the worst hurricane to hit the city in at least 25 years. Where Bridget made its final landfall, no damage reports were available due to the sparse population of the area. [2]

See also

Other hurricanes which severely affected Acapulco:

References

  1. ^ Neil L. Frank (April 1972). "Atlantic Tropical Systems of 1971" (PDF). Monthly Weather Review. 100 (4): 268. Bibcode: 1972MWRv..100..268F. doi: 10.1175/1520-0493(1972)100<0268:ATSO>2.3.CO;2. Retrieved 2011-07-19.
  2. ^ a b c d e f g h i William J. Denney (April 1972). "Eastern Pacific Hurricane Season of 1971" (PDF). Monthly Weather Review. 100 (4): 276–282. Bibcode: 1972MWRv..100..276D. CiteSeerX  10.1.1.395.3350. doi: 10.1175/1520-0493(1972)100<0276:EPHSO>2.3.CO;2. Retrieved 2011-07-19.
  3. ^ a b c National Hurricane Center; Hurricane Research Division; Central Pacific Hurricane Center (April 4, 2023). "The Northeast and North Central Pacific hurricane database 1949–2022". United States National Oceanic and Atmospheric Administration's National Weather Service. A guide on how to read the database is available here. Public Domain This article incorporates text from this source, which is in the public domain.
  4. ^ a b Staff Writer (1971-06-17). "Storm Causes Damage". Reading Eagle. United Press International. Retrieved 2011-07-21.
  5. ^ Staff Writer. "Mexican Storm Leaves 17 Lost". The Milwaukee Journal. Associated Press. Retrieved 2011-07-21.
  6. ^ Office of U.S. Foreign Disaster Assistance (August 1993). "Significant Data on Major Disasters Worldwide 1990-present" (PDF). Retrieved 2009-03-25.


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