Food Availability

Tropical cyclone frequency refers to the number of tropical depression, tropical storms, and typhoons that enter or originate in the Philippine Area of Responsibility (PAR) in a given year.

Tropical cyclone is defined as a non-frontal low pressure system of synoptic scale developing over warm waters having organized convection and a maximum mean wind speed of 34 knots or greater extending more than half-way around near the centre and persisting for at least six hours.

Tropical Cyclone Frequency, by Item and Year
Tropical Cyclone Frequency
(In number)
  1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013
Tropical Depression 3 1 3 9 6 0 3 1 2 4 4 5 5 7 4 3 3 0 5 7 1 8 1 6
Tropical Storm 3 5 3 13 5 10 5 5 3 8 6 6 2 9 7 4 6 4 6 7 5 5 7 9
Typhoon 14 13 9 10 14 6 9 8 6 4 8 6 6 9 14 10 11 9 10 8 5 6 9 10
Source: Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)

Last updated: July 21, 2014

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