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Miles B. Lawrence

Abstract

The hurricane season of the eastern North Pacific basin is summarized and individual tropical cyclones are described. The number of tropical cyclones was near normal. Hurricane Pauline’s rainfall flooding killed more than 200 people in the Acapulco, Mexico, area. Linda became the strongest hurricane on record in this basin with 160-kt 1-min winds.

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Miles B. Lawrence

Abstract

A summary of the 1977 Atlantic hurricane season is presented along with detailed accounts of individual storms.

This season was a rather inactive one, with fewer storms than normal. Anita was an intense hurricane in the Gulf of Mexico, but made landfall along a sparsely populated section of the Mexican coast. Babe was the only named storm to cross the United States coastline this year.

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Miles B. Lawrence

Abstract

The 1986 hurricane season for the Atlantic basin is summarized. Six named tropical cyclones were tracked; two hurricanes, Bonnie and Charley, crossed the United States coastline.

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Miles B. Lawrence

Abstract

A summary of the 1976 Atlantic hurricane season is presented along with detailed accounts of individual storms.

Interesting aspects of the 1976 season include the absence of any named storms in either the Gulf of Mexico or Caribbean Sea. Two storms in the central north Atlantic recurved toward the cast at unusually low latitudes. Hurricane Belle struck Long Island after weakening dramatically during the 24 h period prior to landfall.

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Miles B. Lawrence

Abstract

The 1989 eastern Pacific hurricane season is summarized. Seventeen tropical storms were tracked, of which nine became hurricanes. Cosme, Kiko and Raymond made landfall in Mexico and ten deaths were attributed to Cosme from inland flash flooding.

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Miles B. Lawrence

Abstract

A summary of the 1978 Atlantic hurricane season is presented including detailed accounts of individual storms. There were 11 named storms this year of which five reached hurricane force. Three storms made landfall along the Gulf of Mexico coastline, two in the United States and the other in Mexico. Hurricane Greta affected portions of Central America.

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Max Mayfield and Miles B. Lawrence

Abstract

The 1990 hurricane season is summarized, including accounts of individual storms. Fourteen tropical stormswere tracked of which eight became hurricanes. Only one storm, Marco, hit the United States.

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Miles B. Lawrence and Gilbert B. Clark

Abstract

A summary of the 1984 Atlantic hurricane season is given. Twelve tropical cyclones and one subtropical cyclone were tracked in the North Atlantic–Caribbean–Gulf of Mexico region. Diana was a landfalling hurricane on the North Carolina coast and Lili was a rare December hurricane.

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Charles J. Neumann and Miles B. Lawrence

Abstract

Current statistical models for the prediction of tropical cyclone motion use predictors derived from climatology, persistence, and observed geopotential height data. This paper describes an operational experiment conducted during the 1973 and 1974 Atlantic hurricane seasons whereby prognostic 500 mb height data from the National Meteorological Center's primitive equation model were also included as statistical predictors.

Both the “perfect-prog” and a “simulated-model-output-statistics” (SMOS) approach were utilized to introduce the prognostic height data into the statistical prediction equations. Compared to the current “state-of-the-art” of tropical cyclone forecasting, the perfect-prog technique gave relatively poor displacement forecasts for the first half of the 72 h forecast period but excellent forecasts for the latter half. The SMOS method performed well over the entire period but the 72.h displacement error was somewhat greater than that of the perfect-prog equations.

The results of the test are extremely encouraging and suggest that independent predictive information obtained from the numerical prognoses can be objectively used to improve the performance of current statistical tropical cyclone prediction models.

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Miles B. Lawrence and Britt Max Mayfield

Abstract

A series of satellite pictures is composited to illustrate that small-scale trochoidal motion of a hurricane is detectable by satellite.

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