List of Pacific hurricanes

List of Pacific hurricanes

This is a list of notable Pacific hurricanes, subdivided by reason for notability. Notability means that it has met some criterion or achieved some statistic, or is part of a top ten for some superlative. It includes lists and rankings of Pacific hurricanes by different characteristics and impacts.

Characteristics include extremes of location, such as the northernmost or most equator-ward formation or position of a tropical cyclone. Other characteristics include its central pressure, windspeed, Category on the Saffir-Simpson Hurricane Scale, or cyclogenesis outside of a normal hurricane season's timeframe. Another characteristic is how long a system went from formation to dissipation. Impacts are what the cyclone did. These include the cost of damage, the number of casualties, as well as meteorological statistics such as rainfall point maxima.

Impact

Retired names

Additionally, Adolph and Israel were removed from the list of names during and after the 2001 season due to political sensitivities. Knut was removed from the list in 1988 for unknown reasons. Adele and Iva were also removed in 1970 and 1988 respectively for unknown reasons. Hazel was replaced in 1965.cite web|url=http://66.102.7.104/search?q=cache:G34Z-evoCZMJ:www.wmo.int/web/www/TCP/MEETING/RA%2520IV%2520HC-XXIII/OP-TCP30-2000for%2520DOC6.doc+Fefa+%2B%22World+Meteorological+Organization%22&hl=en| publisher=World Meteorological Organization|title=WMO Technical Document|publisher=World Meteorological Organization|format=DOC/HTML]

Unnamed but historically significant

Tropical Storm Lidia and Hurricane Norma hit Mexico within a week of each other in 1981. Conflated together, they caused $84 million (1981 USD) in damage. Hence it is possible that Lidia is on the list if it caused most of that damage total. Hurricane Norma is definitely on the most-damaging list since its remnants caused $50 million in damage in Texas.

easonal activity and records

In the central Pacific, the seasons with the most tropical cyclones are 1992 and 1994, each with 11 cyclones. A season without cyclones has happened a few times since 1966, most recently in 1979.cite web|url=http://www.prh.noaa.gov/cphc/summaries/|title=Previous Tropical Systems in the Central Pacific|publisher=Central Pacific Hurricane Center|accessdate=2007-12-31]

Highest

† Shared by more than three seasons.

Central

Only systems of tropical storm strength or higher are included; tropical depressions are "excluded".

For all months, many seasons have had zero cyclone of tropical storm strength or higher.

† Best track data skips this category, going straight from Category 3 to 1

Earliest forming by storm number

Seasons since 1966. Current as of the end of the 2006 season.

All indicated dates are when the system strengthened into a "tropical storm", not the day their predecessor depression formed, which is often hours or days earlier.

Eastern

Cyclones of tropical storm intensity or higher that crossed in from another basin are excluded.

Before the weather satellite era began, the lifespans of many Pacific hurricanes may be underestimated.

Intensity records

Ten most intense

The apparent increase in recent seasons is spurious; it is due to better estimation and measurement, not an increase in intense storms. That is, until 1988, Pacific hurricanes generally did not have their central pressures measured or estimated from satellite imagery.

† These tropical cyclones are the strongest to form in their months by virture of their being the only known systems.

* Tropical Storm Carmen formed west of the dateline before entering the central Pacific.

‡ Pressure while east of the dateline.

Extremes of location

Crossover storms

Eastern Pacific to Atlantic

This includes only systems which stayed a tropical cyclone during the passage or that maintained a circulation during the crossover.

Tropical Storm Upana and Tropical Storm Chanchu are an unofficial dateline crosser. The official policy for Pacific Ocean tropical cyclones is that they keep their name when they cross basin boundaries. Hence, Tropical Storm Upana and Tropical Storm Chanchu are not "officially" the same cyclone; however, a number of meteorologists believe that they are the same system, with Upana's remnants crossing the dateline and reforming in the western Pacific, explaining the renaming.cite web|url=http://www.typhoon2000.ph/garyp_mgtcs/jul00.txt|title=Monthly Global Tropical Cyclone Summary July 2000|date=2000-10-04|accessdate=2007-11-28|author=Gary Padgett]

Central Pacific to eastern Pacific

Tropical cyclones crossing from the eastern Pacific to the central Pacific are routine; ones going the other way are not. That event has happened twice.

Continental United States

Overall

Worldwide cyclone records set by Pacific storms

* Longest-lived tropical cyclone: Hurricane John lasted for 30 days and 18 hours.
* Tropical cyclone at Category 4 or 5 intensity on the Saffir-Simpson Scale for the longest: Hurricane Ioke was at that intensity for 198 consecutive hours.

ee also

*List of tropical cyclones
*List of Atlantic hurricane records
*List of Pacific hurricane seasons

References


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