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GEOPHYSICAL RESEARCH LETTERS,
VOL. 35,
L03706,
doi:10.1029/2007GL032546,
2008
Defining the frequency of near-shore tropical cyclone activity in the eastern North Pacific from historical surface observations
(1921–2005)
Phil J. Englehart
Department of Atmospheric Science, Creighton University, Omaha, Nebraska, USA
Michael D. Lewis
Department of Atmospheric Science, Creighton University, Omaha, Nebraska, USA
Arthur V. Douglas
Department of Atmospheric Science, Creighton University, Omaha, Nebraska, USA
Abstract
Due in part to limited historical observations, the long-term variability of tropical cyclone (TC) activity in the eastern
North Pacific has received little research attention. This paper outlines features of a long-term (1921–2005) data set of
TC frequency defined in a manner consistent with the quality and availability of historical surface observations. Simple analyses
of the data set point to nonrandom behavior in the TC series and suggest that long period variability is an important component
of TC activity.
Received 1
November
2007;
accepted 13
December
2007;
published 15
February
2008.
Keywords: tropical cyclone activity;
eastern North Pacific;
historical time series.
Index Terms: 1616 Global Change: Climate variability (1635, 3305, 3309, 4215, 4513); 1637 Global Change: Regional climate change; 3374 Atmospheric Processes: Tropical meteorology.
Subscriber Access to Full Article (Nonsubscribers may purchase for $9.00, Includes print PDF, file size: 310876 bytes)
Citation: Englehart, P. J., M. D. Lewis, and A. V. Douglas
(2008),
Defining the frequency of near-shore tropical cyclone activity in the eastern North Pacific from historical surface observations
(1921–2005),
Geophys. Res. Lett.,
35,
L03706,
doi:10.1029/2007GL032546.
Copyright 2008 by the American Geophysical Union.
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