Northern Indian Ocean Tropical Storm Data

This is the Northern Indian tropical storm page. It contains data from the JTWC advisories as well as the best track reanalysis.

Current Year Advisories

North Indian Ocean Cyclone Best Tracking Data by Year

This is a list of northern Indian Ocean cyclones since 1945. Provided are charts on the track of the storm plus a text based table of tracking information. The table includes position in latitude and longitude, maximum sustained winds in knots, and central pressure in millibars. NOTE: Data courtesy of Joint Typhoon Warning Center.

					1945	1946	1947	1948	1949
1950	1951	1952	1953	1954	1955	1956	1957	1958	1959
1960	1961	1962	1963	1964	1965	1966	1967	1968	1969
1970	1971	1972	1973	1974	1975	1976	1977	1978	1979
1980	1981	1982	1983	1984	1985	1986	1987	1988	1989
1990	1991	1992	1993	1994	1995	1996	1997	1998	1999
2000	2001	2002	2003	2004	2005	2006	2007	2008	2009
2010	2011	2012	2013	2014	2015	2016	2017	2018	2019
2020	2021	2022

Simpson Scale

The chart color codes intensity (category based on Saffir-Simpson scale):

Type	Category	Pressure (mb)	Winds (knots)	Winds (mph)	Surge (ft)	Line Color
Depression	TD	-----	< 34	< 39		Green
Tropical Storm	TS	-----	34-63	39-73		Yellow
Cyclone	1	> 980	64-82	74-95	4-5	Red
Cyclone	2	965-980	83-95	96-110	6-8	Light Red
Cyclone	3	945-965	96-112	111-130	9-12	Magenta
Cyclone	4	920-945	113-135	131-155	13-18	Light Magenta
Cyclone	5	< 920	>135	>155	>18	White

NOTE: Pressures are in millibars and winds are in knots where one knot is equal to 1.15 mph