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The 1978 Atlantic hurricane season officially began on June 1, 1978, and lasted until November 30, 1978. These dates conventionally delimit the period of each year when most tropical cyclones form in the Atlantic basin. However, the season had the earliest actual start on record due to an unusual subtropical storm in January. Tropical Storm Amelia, which killed 30 when it flooded the Guadalupe River in Texas, was the most notable storm of the season. Hurricane Greta caused moderate damage in Central America, avoiding fears that it would be a repeat of the devastating Hurricane Fifi. A very unusual subtropical storm formed in mid-January, the only storm (tropical or subtropical) to do so in the Atlantic basin. The 1978 season was the last hurricane season when only female names were used for hurricanes and the last season before the modern hurricane naming system was developed.
[edit] Storms[edit] Subtropical Storm One
Main article: 1978 January subtropical storm A meteorological oddity, the first storm of the season developed from an upper level trough on January 18 while 1,725 miles (2,800 km) east-northeast of Puerto Rico. It moved westward, intensifying to a 45 mph (75 km/h) subtropical storm over the central Atlantic Ocean. Climatology prevailed, and the storm dissipated on January 23, 230 miles (370 km) northeast of Puerto Rico. Subtropical Storm One became the earliest recorded tropical or subtropical storm to form in the Atlantic basin, and the only one to do so at all during January, when it formed on January 18. Note that two storms on record, Hurricane Alice from the 1954 season and Tropical Storm Zeta from the 2005 season have formed during December and lasted into January. [edit] Tropical Storm Amelia
Main article: Tropical Storm Amelia (1978) Tropical Storm Amelia formed in the western Gulf of Mexico near Brownsville, Texas on July 30. The storm moved over land, but continued to intensify to a 50 mph tropical storm. Land then took its toll, and the storm dissipated over Texas on August 1. Flooding rains due to torrential rains were reported to have reached 48 inches led to the deaths of 30 people in Texas. [edit] Tropical Storm Bess
Tropical Storm Bess formed in the central Gulf of Mexico on August 5. Due to a strong high pressure system over Texas, the storm moved southwestward, strengthening to a 50 mph storm. The storm hit Nautla, Mexico on early August 8, and dissipated later that day. [edit] Hurricane Cora
Main article: Hurricane Cora (1978) The tropical depression that became Hurricane Cora formed on August 7 in the tropical Atlantic. It gradually strengthened to a 90 mph Category 1 hurricane, but weakened to a tropical storm as it moved through the Windward Islands. The storm continued to weaken, and dissipated on August 12 near the island of Aruba. [edit] Tropical Storm Debra
The origins of Debra were from the combination of a low that formed over southeast Florida and an area of convection near the Yucatan Peninsula, possibly related to a tropical wave. A tropical depression formed on August 26 in the Gulf of Mexico, tracking west-northwestward around a high pressure ridge. Gradual intensification began, and it was upgraded to Tropical Storm Debra on August 28. The storm turned to the north, and it reached its peak intensity of 60 mph (95 km/h) on August 29, shortly before making landfall in southwestern Louisiana. It was a disorganized storm, with most of the convection located to the east of the center.[1] It weakened rapidly and dissipated over Arkansas, though its remnants continued into the Ohio Valley.[1][2] As a result of the formation of Debra, gale warnings were issued from Galveston, Texas to Grand Isle, Louisiana, on August 28. In addition, 3,000 people were evacuated from Cameron Parish, Louisiana.[2] Two people died as a result of Debra; one was attributed to a tornado in Mississippi which also destroyed several mobile homes, and injured one person. The other was reported to have occurred on an oil rig off the Texas coast.[1] Several other tornadoes occurred during Debra's landfall, mostly along the upper Texas coast, to the Mississippi coast, while some tornadoes did occur inland.[3] The maximum amount of rain associated with Debra occurred at Freshwater Bayou Rock, Louisiana, where 10.81 inches (274 mm) of rain fell.[4] Other rainfall reports of 6 inches (150 mm) or more were common throughout Mississippi, Arkansas, Missouri, and later into Illinois.[3] Also, tides ranges from 1 to 2 feet in most areas, while up to 5.7 foot above normal tides were reported along the western Louisiana coast.[3] [edit] Hurricane Ella
Hurricane Ella formed from a stationary frontal zone in late August over the central Atlantic. It moved west-northwestward, passing Bermuda far to the south, and intensified to a major hurricane. After a brief stall on September 2, Ella accelerated to the northeast, rapidly strengthening to a 140 mph Category 4 hurricane south of Nova Scotia. Ella is the northernmost known category 4 Atlantic hurricane, keeping this intensity as far as 42°5 North. It brushed the coast of Newfoundland and dissipated out at sea. [edit] Hurricane Flossie
Hurricane Flossie formed in the tropical Atlantic on September 4, midway between Cape Verde and the Lesser Antilles. The system moved to the west-northwest, reaching 45 mph winds before upper level shear ripped apart the system. After two days of moving to the northeast, the storm re-strengthened to a tropical storm, and became a hurricane on September 12, located about halfway between Bermuda and the Azores Islands. Cool waters eventually led the system to its extratropical transition on September 16. The strong extratropical cyclone brought winds as high as 104 mph to Fair Isle, Great Britain.[5] [edit] Hurricane Greta
Main article: Hurricane Greta-Olivia The tropical depression that became Hurricane Greta formed 75 miles west-northwest of Trinidad on September 13. The storm moved through the Central Caribbean, steadily strengthening. When it neared the coast of Honduras it rapidly intensified to a Category 4 hurricane, bringing winds to the country. It stayed offshore, but came to shore at Stann Creek District, Belize on September 19 as a Category 2 hurricane. The storm dissipated the next day, but later redeveloped in the Eastern Pacific as Hurricane Olivia. Luckily, death and damage was much lower than Hurricane Fifi, a similar hurricane that devastated the same area in 1974. This was likely due to the lack of flooding, as well as using proper warnings from the affected countries. In all, Greta caused 5 deaths and over $75 million (2005 USD) in damage. [edit] Tropical Storm Hope
Tropical Storm Hope formed just off the northeast coast of Florida on September 12. It remained a tropical depression for 3 days as it moved generally eastward. It ultimately attained 65 mph winds over the open Atlantic, but passed cooler waters before it could reach hurricane strength. Still, the storm retained tropical characteristics to nearly 60ºN, not far from Iceland. [edit] Tropical Storm Irma
Tropical Storm Irma formed in the northeastern Atlantic Ocean near the Azores on October 2. The storm moved north-northeastward, attaining a maximum windspeed of 50 mph and passing through the Azores before it dissipated on October 5. [edit] Tropical Storm Juliet
Juliet formed from a tropical wave on October 7 about 600 miles east of Puerto Rico. The storm passed north of the island, attained a wind speed of 50 mph, and headed into the open Atlantic before dissipating on October 11 southwest of Bermuda. The highest rainfall report from Puerto Rico was 4.51 inches from Toro Negro Plant.[6] [edit] Hurricane Kendra
The final storm of the season formed east of the Bahamas on October 28. The storm strengthened to a Category 1 hurricane with maximum sustained windspeeds of 80 mph, and weakened to a tropical depression on November 1, before dissipating on November 3. [edit] Accumulated Cyclone Energy (ACE) Rating
The table on the right shows the ACE for each storm in the season. The ACE is, broadly speaking, a measure of the power of the hurricane multiplied by the length of time it existed for, so hurricanes that lasted a long time have higher ACEs. [edit] Storm namesThe following names were used for named storms that formed in the north Atlantic basin in 1978.[7] Storms were named Amelia, Bess, Cora, Flossie, Hope, Irma and Juliet for the first time in 1978. This was the last year that only female names were used. Names that were not assigned are marked in gray.
[edit] RetirementSee also: List of retired Atlantic hurricane names No names were retired after the 1978 season. [edit] Season effectsThis is a table of the storms in 1978 and their landfall(s), if any. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but are still storm-related. Damage and deaths include totals while the storm was extratropical or a wave or low.
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[edit] References
[edit] External links
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