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South Indian Ocean Tropical Cyclone Season 1998-1999
Season 1998-1999 Summaries (Operational Data): [AU] [SIO] [SPAC] [SH]
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Operational Tropical Cyclone Data
South Indian Ocean: All or some of the track must occur west of 135 E to be included.

Cyclone Name Map
ID
Cyclone
Number
Basin Date Range (UTC) Min
CP
Max
Winds
Tracking Map and data Warnings
Issued
199901 1 9901 SIO 20 Jul 1998 - 25 Jul 1998 998 30 Tropical Cyclone 199901 JTWC
199902 2 9902 SIO 29 Sep 1998 - 02 Oct 1998 1002 35 Tropical Cyclone 199902 JTWC
ZELIA 3 9903 SIO 07 Oct 1998 - 10 Oct 1998 985 55 Tropical Cyclone ZELIA JTWC
ALISON 4 9904 SIO 08 Nov 1998 - 13 Nov 1998 975 60 Tropical Cyclone ALISON JTWC
BILLY 5 9905 SIO 01 Dec 1998 - 06 Dec 1998 975 60 Tropical Cyclone BILLY JTWC
THELMA 6 9906 both 03 Dec 1998 - 15 Dec 1998 925 120 Tropical Cyclone THELMA JTWC
CATHY 7 9910 SIO 16 Dec 1998 - 30 Dec 1998 990 45 Tropical Cyclone CATHY JTWC
ALDA 8 9912 SIO 14 Jan 1999 - 19 Jan 1999 975 52 Tropical Cyclone ALDA JTWC
DAMIEN-BIRENDA 9 9915 SIO 20 Jan 1999 - 07 Feb 1999 955 78 Tropical Cyclone DAMIEN-BIRENDA JTWC
199916 10 9916 both 22 Feb 1999 - 27 Feb 1999 993 30 Tropical Cyclone 199916 JTWC
CHIKITA 11 9917 SIO 24 Jan 1999 - 05 Feb 1999 990 37 Tropical Cyclone CHIKITA JTWC
199918 12 9918 SIO 31 Jan 1999 - 14 Feb 1999 995 40 Tropical Cyclone 199918 JTWC
199921 13 9921 SIO 11 Feb 1999 - 17 Feb 1999 994 33 Tropical Cyclone 199921 JTWC
199923 14 9923 SIO 21 Feb 1999 - 04 Mar 1999 1000 25 Tropical Cyclone 199923 JTWC
DAVINA 15 9925 SIO 01 Mar 1999 - 19 Mar 1999 930 90 Tropical Cyclone DAVINA JTWC
199926 16 9926 SIO 28 Feb 1999 - 27 Mar 1999 999 33 Tropical Cyclone 199926 JTWC
ELAINE 17 9928 SIO 14 Mar 1999 - 20 Mar 1999 960 75 Tropical Cyclone ELAINE JTWC
199929 18 9929 SIO 11 Mar 1999 - 21 Mar 1999 995 30 Tropical Cyclone 199929 JTWC
VANCE 19 9930 both 16 Mar 1999 - 24 Mar 1999 915 110 Tropical Cyclone VANCE JTWC
FREDERIC-EVRINA 20 9931 both 21 Mar 1999 - 10 Apr 1999 915 110 Tropical Cyclone FREDERIC-EVRINA JTWC
GWENDA 21 9932 both 01 Apr 1999 - 07 Apr 1999 915 110 Tropical Cyclone GWENDA JTWC
HAMISH 22 9933 SIO 08 Apr 1999 - 24 Apr 1999 985 55 Tropical Cyclone HAMISH JTWC
TROP-DEPRESSION-01 23 99SA SIO 03 Sep 1998 - 06 Sep 1998 1002 25 Tropical Cyclone TROP-DEPRESSION-01
TROP-LOW-01 24 99SB SIO 07 Dec 1998 - 13 Dec 1998 1000 25 Tropical Cyclone TROP-LOW-01
TROP-LOW-02 25 99PA both 26 Dec 1998 - 02 Jan 1999 996 30 Tropical Cyclone TROP-LOW-02
TROP-DEPRESSION-02 26 99SC SIO 04 Jan 1999 - 06 Jan 1999 996 30 Tropical Cyclone TROP-DEPRESSION-02
TROP-LOW-03 27 99SD SIO 19 Mar 1999 - 22 Mar 1999 996 25 Tropical Cyclone TROP-LOW-03
TROP-LOW-04 28 99PD both 13 Apr 1999 - 26 Apr 1999 999 35 Tropical Cyclone TROP-LOW-04

Minimum central pressure (CP) in hPa. Maximum winds are 10-min average in knots.

Tropical cyclone tracks developed by Michael Bath using operational warnings and advisories and Google Maps.


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Document: oper_1998_1999_south_indian_ocean_tropical_cyclones.htm Updated: 2 May 2017