1964 Pacific hurricane season
Encyclopedia
The 1964 Pacific hurricane season was least active Pacific hurricane season on record. During this season, only five tropical storms developed, and only one intensified into a hurricane. The first storm of the season, Tropical Storm Natalie made landfall in Mexico
. About a week, later Hurricane Odessa became the strongest storm of the season. Tropical Storm Prudence brought high waves to Ironical, while Tropical Storm Roslyn stayed out to sea. Tropical Storm Tellie produced server flooding in Arizona
.
. Only one tropical cyclone
reached hurricane status, compared to the average of seven. 1964 is also one of the few seasons without a major hurricane
. However, it is possible that some storms were missed due to the lack of satellite coverage
in the region.
on July 6. Natalie headed northward, without intensifying. By the next day, Natalie transitioned into an extratropical cyclone
, shortly before making landfall in Mexico. The remnants survived until July 8.
cost, with the highest surf in Newport Beach.
. The same intensity as the previous system, Roslyn drifted west-northwest. The storm dissipated at 1800 UTC August 22.
of the season, Tropical Storm Tillie, developed on July 7. At first, the cyclone moved north-northwest, but early on September 8, while located about 100 mi (160.9 km) southwest of Cabo San Lucas
, Tillite began a gradual turn towards the west-northwest. After begin active for a little more than 48 hours, Tillie dissipated at 0600 UTC September 9. Although the storm remained at sea, its residual moisture was advected over southern Arizona, allowing a passing cold front
to trigger widespread showers and thunderstorms on the evening of September 9. Tucson received 3.05 inches (77.5 mm) of rainfall in a 24-hour period between September 9–10, and two locations—one in the Catalina Mountain foothills and one near Sahuarita
—recorded 6.75 inches (171.5 mm) of precipitation. Coupled with rain during the previous week, the Santa Cruz River produced heavy runoff, with peak flows of 15900 cuft/s recorded near Cortaro
.
. Names that were not assigned are marked in gray.
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
. About a week, later Hurricane Odessa became the strongest storm of the season. Tropical Storm Prudence brought high waves to Ironical, while Tropical Storm Roslyn stayed out to sea. Tropical Storm Tellie produced server flooding in Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
.
Season summary
With only 5 storms, the season was well below the 1949-2006 average of 13 named storms. In fact, with only 5 named storms, this is the fewest number of storms in the hurricane databaseHURDAT
The North Atlantic hurricane database, or HURDAT, is the database for all tropical cyclones in the Atlantic Ocean, Gulf of Mexico and Caribbean Sea, since 1851.-History:...
. Only one tropical cyclone
Tropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...
reached hurricane status, compared to the average of seven. 1964 is also one of the few seasons without a major hurricane
Saffir-Simpson Hurricane Scale
The Saffir–Simpson Hurricane Scale , or the Saffir–Simpson Hurricane Wind Scale , classifies hurricanes — Western Hemisphere tropical cyclones that exceed the intensities of tropical depressions and tropical storms — into five categories distinguished by the intensities of their sustained winds...
. However, it is possible that some storms were missed due to the lack of satellite coverage
Satellite imagery
Satellite imagery consists of photographs of Earth or other planets made by means of artificial satellites.- History :The first images from space were taken on sub-orbital flights. The U.S-launched V-2 flight on October 24, 1946 took one image every 1.5 seconds...
in the region.
Tropical Storm Natalie
Tropical Storm Natalie developed just offshore of MexicoMexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...
on July 6. Natalie headed northward, without intensifying. By the next day, Natalie transitioned into an extratropical cyclone
Extratropical cyclone
Extratropical cyclones, sometimes called mid-latitude cyclones or wave cyclones, are a group of cyclones defined as synoptic scale low pressure weather systems that occur in the middle latitudes of the Earth having neither tropical nor polar characteristics, and are connected with fronts and...
, shortly before making landfall in Mexico. The remnants survived until July 8.
Hurricane Odessa
Hurricane Odessa formed on July 15. Initially, it moved towards the west-northwest, but on July 18, it turned towards the northwest, and shortly thereafter the west-southwest. Meanwhile, Odessa maintained minimal hurricane intensity for several days, only to dissipate at 1800 UTC July 19.Tropical Storm Prudence
A mid-level tropical storm developed early on July 20. Moving generally west-northwest, it failed to intensify, and maintained winds of 50 mph (85 km/h). After briefly turning west on July 22, it resumed a west-northwest course. Shortly before dissipating, the system turned back towards the west. Tropical Storm Prudence dissipated on July 24. Even though it never made landfall, the cyclone produced high waves along the CaliforniaCalifornia
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
cost, with the highest surf in Newport Beach.
Tropical Storm Roslyn
Tropical Storm Roslyn formed on August 21 roughly 500 mi (804.7 km) south-southwest of Cabo San LucasCabo San Lucas
Cabo San Lucas , commonly called Cabo, is a city at the southern tip of the Baja California peninsula, in the municipality of Los Cabos in the Mexican state of Baja California Sur. As of the 2010 census, the population was 68,463 people...
. The same intensity as the previous system, Roslyn drifted west-northwest. The storm dissipated at 1800 UTC August 22.
Tropical Storm Tillie
The last tropical cycloneTropical cyclone
A tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...
of the season, Tropical Storm Tillie, developed on July 7. At first, the cyclone moved north-northwest, but early on September 8, while located about 100 mi (160.9 km) southwest of Cabo San Lucas
Cabo San Lucas
Cabo San Lucas , commonly called Cabo, is a city at the southern tip of the Baja California peninsula, in the municipality of Los Cabos in the Mexican state of Baja California Sur. As of the 2010 census, the population was 68,463 people...
, Tillite began a gradual turn towards the west-northwest. After begin active for a little more than 48 hours, Tillie dissipated at 0600 UTC September 9. Although the storm remained at sea, its residual moisture was advected over southern Arizona, allowing a passing cold front
Cold front
A cold front is defined as the leading edge of a cooler mass of air, replacing a warmer mass of air.-Development of cold front:The cooler and denser air wedges under the less-dense warmer air, lifting it...
to trigger widespread showers and thunderstorms on the evening of September 9. Tucson received 3.05 inches (77.5 mm) of rainfall in a 24-hour period between September 9–10, and two locations—one in the Catalina Mountain foothills and one near Sahuarita
Sahuarita, Arizona
Sahuarita is a town in Pima County, Arizona, United States. Sahuarita is located south of the Tohono O'odham Nation and abuts the north end of Green Valley, 15 miles south of Tucson...
—recorded 6.75 inches (171.5 mm) of precipitation. Coupled with rain during the previous week, the Santa Cruz River produced heavy runoff, with peak flows of 15900 cuft/s recorded near Cortaro
Cortaro, Arizona
Cortaro is an unincorporated community in Pima County, Arizona, United States. Cortaro is located along Interstate 10 northwest of Tucson. Cortaro has a post office with ZIP code 85652....
.
Storm names
The following names were used for named storms that formed in the eastern Pacific in 1964. No names were retired from this list. This is a part of list 2, which was used from 1960-19651950-1969 Pacific hurricane seasons
The 1950–1963 Pacific hurricane seasons all began on May 15, 1950-65 in the northeast Pacific Ocean and on June 1, 1950-65 in the central Pacific. They ended on November 30, 1950-65...
. Names that were not assigned are marked in gray.
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See also
- Tropical cycloneTropical cycloneA tropical cyclone is a storm system characterized by a large low-pressure center and numerous thunderstorms that produce strong winds and heavy rain. Tropical cyclones strengthen when water evaporated from the ocean is released as the saturated air rises, resulting in condensation of water vapor...
- List of Pacific hurricanes
- 1964 Atlantic hurricane season1964 Atlantic hurricane seasonThe 1964 Atlantic hurricane season officially began on June 15, 1964, and lasted until November 15, 1964. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin...
- 1964 Pacific typhoon season1964 Pacific typhoon seasonThe 1964 Pacific typhoon season has no official bounds; it ran year-round in 1964, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December...
- Pre-1980 Southern Hemisphere tropical cyclone seasonsPre-1980 Southern Hemisphere tropical cyclone seasonsThe Pre-1970 Southern Hemisphere tropical cyclone seasons ran year-round from July 1 to June 30, reaching their peaks mid-February to early March.Pre-1970 1970–75 1975–80 1980–1985-Unnnamed tropical cyclone :The Banda Islands were hit in March...
- Pre-1980 North Indian Ocean cyclone seasons