1964 Atlantic hurricane season

1964 Atlantic hurricane season

Infobox hurricane season
first storm formed=June 2, 1964
last storm dissipated=November 10, 1964
strongest storm=Hilda - 941 mbar (27.78 inHg)
total storms=12
major storms=6
total da
USD)
$3.7 billion (2005 USD)
total fatalities=261
basin=Atlantic hurricane
five seasons=1962, 1963, 1964, 1965, 1966
The 1964 Atlantic hurricane season officially began on June 15, 1964, and lasted until November 15, 1964. [United Press International. [http://www.thehurricanearchive.com/Viewer.aspx?
] Retrieved on 2008-06-06.
] These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. The season was slightly above average, with twelve total storms and six hurricanes; unusually, all six of the hurricanes strengthened into major (Category 3) storms.

Three storms were notable enough to have their names retired: Cleo, Dora, and Hilda. Hurricane Cleo killed over 200 in its trek from the Caribbean Sea across Florida. Hurricane Dora struck northeastern Florida, causing nearly $300 million (1964 US dollars) in damages. Hurricane Hilda caused damage when it struck Louisiana. Three hurricanes hit Florida this season (Cleo, Dora and Isbell); the first time this has happened since 1886 and the last time it would happen until the 2004 season.

Operationally, the season began on June 16.cite news|url=http://www.thehurricanearchive.com/Viewer.aspx?
|title=Hurricane Season Begins Again Tuesday|date=1964-06-14|publisher=San Antonio Express and News|accessdate=2008-03-11
]

torms

Tropical Storm One

Infobox Hurricane Small
Basin=Atl
Track=1964 Atlantic tropical storm 1 track.pngFormed=June 2
Dissipated=June 11
1-min winds=50
The Intertropical Convergence Zone developed a tropical depression in the Northwest Caribbean Sea on June 2. It drifted northward without strengthening. Moving faster through the Gulf of Mexico, the depression crossed Florida on the 6th, causing strong winds and hail from thunderstorms. When it reached the Atlantic Coast, it strengthened to a tropical storm, remaining away from landmass until its dissipation on the 11th. Tropical Storm One caused $1 million (1964 dollars) in flood damage to areas along the First Coast and further inland.

Tropical Storm Two

Infobox Hurricane Small
Basin=Atl
Track=1964 Atlantic tropical storm 2 track.pngFormed=July 28
Dissipated=August 3
1-min winds=45
Pressure=1006
A cloud vortex developed in the Tropical Atlantic on July 27. It was well-organized enough to become a tropical depression on the 28th, but intensification was limited due to rapid forward motion. It turned northeastward and became a tropical storm on the 31st. After reaching a peak of 50 mph (80 km/h) the storm became extratropical on the 2nd.

Tropical Storm Abby

Infobox Hurricane Small
Basin=Atl
Track=Abby 1964 track.pngFormed=August 5
Dissipated=August 8
1-min winds=55
Pressure=1000
The precursor to Tropical Storm Abby was a surface trough in the northern Gulf of Mexico. It became a tropical depression on August 5 and, moving slowly westward, reached tropical storm strength on the 7th. Abby hit Matagorda, Texas as a 65 mph (105 km/h) tropical storm that night, and dissipated the following day. Abby was a small system; its complete circulation at the surface was less than 100 miles (200 km) in diameter. Because of this, Abby caused only $750,000 (1964 dollars ($30.7 million 2005 USD)) in damage, most of it from crop damage. The rain was beneficial.cite web|author=Dunn, Gordon E. and Staff|year=1965|url=http://www.aoml.noaa.gov/general/lib/lib1/nhclib/mwreviews/1964.pdf|title=The Hurricane Season of 1964|publisher=U.S. Weather Bureau|accessdate=2008-02-20]

Tropical Storm Brenda

Infobox Hurricane Small
Basin=Atl
Track=Brenda 1964 track.pngFormed=August 7
Dissipated=August 10
1-min winds=45
Pressure=1006
A minor trough of low pressure spawned a tropical depression on August 7 west of Bermuda. As it neared the island, it strengthened to a tropical storm, causing tornadoes on the island. Brenda drifted east-southeastward before turning to the northeast and dissipating on the 10th. Brenda caused $275,000 in damage.

Hurricane Cleo

Infobox Hurricane Small
Basin=Atl



Track=Cleo 1964 track.pngFormed=August 20
Dissipated=September 5
1-min winds=135
Pressure=950
A tropical wave strengthened into a depression on August 20, and was named Tropical Storm Cleo soon after. Cleo moved quickly to the west and strengthened into a Category 4 storm by the time it churned through the Lesser Antilles. The hurricane remained a Category 4 as it passed into the Caribbean, and moved just to the south of Hispaniola on August 24 - and then veered more to the north which brought a landfall on the tip of Haiti. The storm then turned to the north and weakened to a Cat 1 before it struck Cuba, but remained a hurricane the whole time over land. Cleo then brushed against Miami and the east coast of Florida as it weakened from a Category 2 hurricane to a tropical storm. Cleo killed a total of 217 people and caused serious property damage as it travelled through the Caribbean and into Florida, totaling $198 million (1964 dollars) in damage.

Hurricane Dora

Infobox Hurricane Small
Basin=Atl


Track=Dora 1964 track.pngFormed=August 28
Dissipated=September 16
1-min winds=120
Pressure=942
Hurricane Dora was a powerful Cape Verde-type hurricane that moved off the coast of Africa on August 28 as a vigorous tropical low. The system moved steadily westward, becoming a tropical storm on September 1, and a hurricane on the following day. It then turned to the northwest in response to a trough of low pressure to its north. The storm steadily strengthened to a peak of Category 4, and turned back to the west-northwest in response to a ridge of high pressure building in behind the trough. The storm weakened thereafter, due to interaction with Hurricane Cleo. [NHC Preliminary Report on Dora.http://www.nhc.noaa.gov/archive/storm_wallets/atlantic/atl1964/dora/preloc/gnv0925b.gif] The storm continued to slow down and weaken,and made landfall near Jacksonville on September 10. The system briefly emerged over the Gulf of Mexico, but then turned back to the northeast as a tropicl depression, before moving offshore in the Carolinas. The storm dissipated in the northern Atlantic Ocean on September 14.

Hurricane Dora was the only hurricane in the Twentieth Century to make landfall on the First Coast region of Florida. It caused $280 million in damage ($1.7 billion in 2005 dollars).

Hurricane Ethel

Infobox Hurricane Small
Basin=Atl
Track=Ethel 1964 track.pngFormed=September 4
Dissipated=September 16
1-min winds=100
Pressure=969
A large cloud mass in the central tropical Atlantic, possibly developing from a tropical wave, became a tropical depression on September 4, and a tropical storm 6 hours later. Ethel developed slowly, possibly due to an unfavorable upper-level trough or due to the strong outflow of Dora to the storm's west. On the 7th, Ethel rapidly organized and became a hurricane. On the 9th, Ethel briefly became a major hurricane, but unfavorable conditions returned, weakening Ethel to a minimal hurricane. The storm was able to restrengthen to a Category 2 hurricane before accelerating and becoming extratropical on the 15th.

Tropical Storm Florence

Infobox Hurricane Small
Basin=Atl
Track=Florence 1964 track.pngFormed=September 5
Dissipated=September 10
1-min winds=40
A tropical wave that moved off the coast of Africa became a tropical depression on September 5. Conditions were not very favorable for development, and the depression took 3 days to become a tropical storm. Florence turned northeastward, and dissipated on the 10th without affecting any landmasses.

Hurricane Gladys

Infobox Hurricane Small
Basin=Atl


Track=Gladys 1964 track.pngFormed=September 13
Dissipated=September 25
1-min winds=125
Pressure=945
Hurricane Gladys developed from a westward moving tropical wave on September 13. Later that day, it became Tropical Storm Gladys. Conditions were favorable for intensification, and Gladys became a hurricane on the 14th. Hurricane Gladys remained a minimal hurricane for the next 3 days, until the 17th when it rapidly became a 145 mph (233 km/h) hurricane. After its peak Gladys steadily weakened to a Category 1 on the 21st. It passed within 150 miles (240 km) of the Outer Banks, but it turned northeastward in response to the development of a low pressure system over the Great Lakes. Gladys became extratropical on the 24th, and caused beach erosion and high tides.

Hurricane Hilda

Infobox Hurricane Small
Basin=Atl


Track=Hilda 1964 track.pngFormed=September 28
Dissipated=October 5
1-min winds=130
Pressure=941
A tropical wave organized into a tropical depression on September 28 while located south of Cuba. It steadily strengthened throughout the day and became a tropical storm on the 29th near the western tip of Cuba. On the 30th, Hilda strengthened to hurricane intensity, which was followed by a period of rapid intensification which lasted until October 1. Hilda became a 150 mph (240 km/h) Category 4 hurricane while south of Louisiana. As it approached the coastline, conditions became unfavorable, weakening Hilda to a 110 mph (180 km/h) Category 2 hurricane at the time of its St. Mary Parish, Louisiana landfall on October 4. After landfall, Hilda quickly dissipated over Georgia. Hurricane Hilda killed 37 when it made landfall in Louisiana, with most of the deaths caused by storm-generated tornadoes. It caused roughly $126 million (1964 dollars ($760 million 2005 dollars)) in damage.

Hurricane Isbell

Infobox Hurricane Small
Basin=Atl



Track=Isbell 1964 track.pngFormed=October 8
Dissipated=October 17
1-min winds=110
Pressure=964
An old diffuse frontal trough reached the western Caribbean in early October. Evidence of a tropical disturbance appeared over the western Caribbean during October 7th and 8th at the tail end of this frontal trough. A weak tropical depression formed on the 8th, and it moved slowly to the northwest. On the 12th, it executed a small loop, followed by a northeastward turn. Lack of inflow kept the depression weak, but on the 12th, it was able to strengthen, reaching tropical storm strength on the 13th and hurricane strength that night. Hurricane Isbell crossed western Cuba, and upon reaching the southeast Gulf of Mexico, strengthened to a Category 3 hurricane. Isbell peaked at 130 mph (210 km/h) before entering Florida near Everglades City as a Category 2 hurricane on the 14th.cite web|author=Atlantic hurricane research division|year=2008|url=http://www.aoml.noaa.gov/hrd/hurdat/ushurrlist18512007.txt|title=All U.S. Hurricanes (1851-2007)|publisher=NOAA|accessdate=2008-10-01] It reached the Atlantic Ocean that night, and steadily weakened while moving to the north. Isbell became extratropical just before its final landfall on Morehead City, North Carolina on the 16th, and dissipated the next day. Isbell caused $20 million (1964 USD ($120 million 2005 USD)) in damage; most of it was from crop damage or tornadic activity. The hurricane also caused 6 deaths.

Isbell was the only major hurricane to hit the U.S. coastline this season. Cleo, Dora, and Hilda all weakened to a Category 2 prior to hitting the coast. Isbell, despite being the strongest at landfall, was not retired.

Tropical Storm Twelve

Infobox Hurricane Small
Basin=Atl
Track=1964 Atlantic tropical storm 12 track.pngFormed=November 5
Dissipated=November 10
1-min winds=35
Pressure=997
Similar to Tropical Storm One, Tropical Storm Twelve developed from an Intertropical Convergence Zone disturbance. [http://www.nhc.noaa.gov/archive/storm_wallets/atlantic/atl1964/ts12/preloc.gifPreloc - TS 12] ] A tropical depression developed on November 5 north of Panama. The depression moved northwestward, becoming a tropical storm on the 6th. It turned westward, hitting near the border of Honduras and Nicaragua on the 7th. The storm weakened and re-emerged into the Caribbean, after which it hit Belize and dissipated on the 10th. Tropical Storm Twelve (the named hurricanes filling in the large numbering gap) caused $5 million (1964 USD ($30 million 2005 USD)) in damage from significant flooding in Honduras. Five small houses were destroyed, and the town Caukira was flooded, with tides as high as 18 feet. In Puerto Castilla significant rainfall, caused flooding and destroyed a bridge, leaving part of the population out of communication.

torm names

The following names were used for named storms (tropical storms and hurricanes) that formed in the North Atlantic in 1964. Names that were not assigned are marked in tcname unused.

Retirement

The names Cleo, Dora, and Hilda were later retired, replaced with Candy, Dolly, and Hannah, respectively, in the 1968 season, although Hilda was placed on the 1973 season's list. Also, Hilda and Dora, though retired from the atlantic basin list, are still in use for the 1st and 3rd pacific hurricane season lists today.

See also

*List of Atlantic hurricanes
*List of Atlantic hurricane seasons

References

External links

* [http://www.aoml.noaa.gov/general/lib/lib1/nhclib/mwreviews/1964.pdf Monthly Weather Review]


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