1984 Hurricane/Tropical Data for Southern Indian Ocean

Individual Storm Summary

Winds in knots, pressure in millibars, category is based on Saffir-Simpson scale.

#NameDateWindPresCat 
1Tropical Storm #1 11-15 JUL 35 - - 
2Cyclone #2 24-31 OCT 70 - 1 
3Cyclone #3 25-31 OCT 70 - 1 
4Tropical Storm #4 10-14 NOV 35 - - 
5Tropical Storm #5 20-25 NOV 45 - - 
6Cyclone #6 27-30 NOV 70 - 1 
7Cyclone #7 5-16 DEC 130 - 4 
8Tropical Storm #8 10-14 DEC 45 - - 
9Cyclone #9 19-27 DEC 90 - 2 
10Tropical Storm #10 19-22 DEC 45 - - 
11Tropical Storm #11 26-29 DEC 35 - - 
12Tropical Storm #12 3-11 JAN 45 - - 
13Cyclone #13 11-19 JAN 65 - 1 
14Tropical Storm #14 19-29 JAN 55 - - 
15Tropical Storm #15 19-23 JAN 35 - - 
16Cyclone #16 22-30 JAN 75 - 1 
17Cyclone #17 1- 5 FEB 65 - 1 
18Tropical Storm #18 4- 9 FEB 60 - - 
19Tropical Storm #19 6-10 FEB 55 - - 
20Tropical Storm #20 7-20 FEB 45 - - 
21Cyclone #21 8-23 FEB 100 - 3 
22Tropical Storm #22 12-15 FEB 45 - - 
23Tropical Storm #23 12-15 FEB 45 - - 
24Cyclone #24 16-23 FEB 85 - 2 
25Tropical Storm #25 20-26 FEB 60 - - 
26Cyclone #26 27 FEB- 2 MAR 75 - 1 
27Tropical Storm #27 6-12 MAR 45 - - 
28Cyclone #28 7-18 MAR 75 - 1 
29Tropical Storm #29 16-20 MAR 40 - - 
30Cyclone #30 19-23 MAR 125 - 4 
31Tropical Storm #31 3- 8 APR 40 - - 
32Cyclone #32 3-15 APR 100 - 3 

Saffir-Simpson Scale

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

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

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


Individual Storm Details

Tropical Storm #1 (11-15 JUL)
Storm - Max Winds: 35

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Cyclone #2 (24-31 OCT)
Storm - Max Winds: 70 Category: 1

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Cyclone #3 (25-31 OCT)
Storm - Max Winds: 70 Category: 1

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Tropical Storm #4 (10-14 NOV)
Storm - Max Winds: 35

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Tropical Storm #5 (20-25 NOV)
Storm - Max Winds: 45

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Cyclone #6 (27-30 NOV)
Storm - Max Winds: 70 Category: 1

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Cyclone #7 (05-16 DEC)
Storm - Max Winds: 130 Category: 4

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Tropical Storm #8 (10-14 DEC)
Storm - Max Winds: 45

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Cyclone #9 (19-27 DEC)
Storm - Max Winds: 90 Category: 2

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Tropical Storm #10 (19-22 DEC)
Storm - Max Winds: 45

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Tropical Storm #11 (26-29 DEC)
Storm - Max Winds: 35

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Tropical Storm #12 (03-11 JAN)
Storm - Max Winds: 45

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Cyclone #13 (11-19 JAN)
Storm - Max Winds: 65 Category: 1

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Tropical Storm #14 (19-29 JAN)
Storm - Max Winds: 55

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Tropical Storm #15 (19-23 JAN)
Storm - Max Winds: 35

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Cyclone #16 (22-30 JAN)
Storm - Max Winds: 75 Category: 1

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Cyclone #17 (01-05 FEB)
Storm - Max Winds: 65 Category: 1

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Tropical Storm #18 (04-09 FEB)
Storm - Max Winds: 60

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Tropical Storm #19 (06-10 FEB)
Storm - Max Winds: 55

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Tropical Storm #20 (07-20 FEB)
Storm - Max Winds: 45

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Cyclone #21 (08-23 FEB)
Storm - Max Winds: 100 Category: 3

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Tropical Storm #22 (12-15 FEB)
Storm - Max Winds: 45

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Tropical Storm #23 (12-15 FEB)
Storm - Max Winds: 45

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Cyclone #24 (16-23 FEB)
Storm - Max Winds: 85 Category: 2

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Tropical Storm #25 (20-26 FEB)
Storm - Max Winds: 60

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Cyclone #26 (27 FEB-02 MAR)
Storm - Max Winds: 75 Category: 1

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Tropical Storm #27 (06-12 MAR)
Storm - Max Winds: 45

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Cyclone #28 (07-18 MAR)
Storm - Max Winds: 75 Category: 1

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Tropical Storm #29 (16-20 MAR)
Storm - Max Winds: 40

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Cyclone #30 (19-23 MAR)
Storm - Max Winds: 125 Category: 4

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Tropical Storm #31 (03-08 APR)
Storm - Max Winds: 40

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Cyclone #32 (03-15 APR)
Storm - Max Winds: 100 Category: 3

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