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- Author or Editor: WILLIAM J. DENNEY x
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Abstract
The 1971 season was characterized by recurrent and persistent patterns of activity. A record 12 hurricanes and six tropical storms were counted. Satellite pictures and ship reports provided most of the clues to developing storms. U.S. Air Force Weather Reconnaissance provided most of the location, intensity, and structure information after development was underway.
Several of the hurricanes and storms rate special attention: Agatha, a small violent May hurricane, hit the village of Playa Azul, Mexico; Bridget did $40 million damage at Acapulco, Mexico; Denise, Francene, Olivia, and Priscilla had reported surface winds of 100 kt or more; Monica was described by reconnaissance (which could not penetrate) as the strongest ever seen in the area; Katrina was an elusive ministorm that caused floods at Los Mochis, Mexico; Lily, a violent, recurving hurricane, took 12 lives in Mexico and caught several ships in her hurricane-force winds; and Olivia had an earlier existence as Caribbean hurricane Irene.
Abstract
The 1971 season was characterized by recurrent and persistent patterns of activity. A record 12 hurricanes and six tropical storms were counted. Satellite pictures and ship reports provided most of the clues to developing storms. U.S. Air Force Weather Reconnaissance provided most of the location, intensity, and structure information after development was underway.
Several of the hurricanes and storms rate special attention: Agatha, a small violent May hurricane, hit the village of Playa Azul, Mexico; Bridget did $40 million damage at Acapulco, Mexico; Denise, Francene, Olivia, and Priscilla had reported surface winds of 100 kt or more; Monica was described by reconnaissance (which could not penetrate) as the strongest ever seen in the area; Katrina was an elusive ministorm that caused floods at Los Mochis, Mexico; Lily, a violent, recurving hurricane, took 12 lives in Mexico and caught several ships in her hurricane-force winds; and Olivia had an earlier existence as Caribbean hurricane Irene.
Abstract
A statistical résumé of the season is presented, and a tentative climatology is proposed, based on 5 yr of operational satellite coverage. Basic data were increased through more reconnaissance flights and satellite pictures. No direct storm casualties or damage from storm winds or seas were reported. Casualties and damage resulting from the Arizona flood diaster were indirectly related to tropical storm Norma. The chronicle of hurricanes and tropical storms deals mainly with the relationship of the data to hurricane intensity and to physical processes within the various tropical cyclones.
Abstract
A statistical résumé of the season is presented, and a tentative climatology is proposed, based on 5 yr of operational satellite coverage. Basic data were increased through more reconnaissance flights and satellite pictures. No direct storm casualties or damage from storm winds or seas were reported. Casualties and damage resulting from the Arizona flood diaster were indirectly related to tropical storm Norma. The chronicle of hurricanes and tropical storms deals mainly with the relationship of the data to hurricane intensity and to physical processes within the various tropical cyclones.
Abstract
A statistical resume of the season is presented and the lack of a valid climatology for comparison is pointed out. Background for the report is provided through discussion of limited basic data and description of the unique hurricane environment. Contributions of 1968 hurricanes to general knowledge of storms in the area include new ideas relating to inflow of cool air off cold water to the north and a demonstration that vertical shear has diagnostic value for revealing stoppage of the hurricane convective chimney. A few generalities as to the relationship between 1968 hurricane and storm behavior and middle latitude circulation are considered. A chronicle of individual storms and hurricanes gives particular attention to important data, mainly satellite pictures, and includes an example of a small intense hurricane with radius of tropical storm intensity winds of approximately 40 mi.
Abstract
A statistical resume of the season is presented and the lack of a valid climatology for comparison is pointed out. Background for the report is provided through discussion of limited basic data and description of the unique hurricane environment. Contributions of 1968 hurricanes to general knowledge of storms in the area include new ideas relating to inflow of cool air off cold water to the north and a demonstration that vertical shear has diagnostic value for revealing stoppage of the hurricane convective chimney. A few generalities as to the relationship between 1968 hurricane and storm behavior and middle latitude circulation are considered. A chronicle of individual storms and hurricanes gives particular attention to important data, mainly satellite pictures, and includes an example of a small intense hurricane with radius of tropical storm intensity winds of approximately 40 mi.
