1978 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 6-12 NOV 50 - - 
2Storm #2 19-29 NOV - - - 
3Cyclone #3 24 NOV- 2 DEC 65 - 1 
4Storm #4 4-10 DEC - - - 
5Tropical Storm #5 5-11 DEC 40 - - 
6Storm #6 15-22 DEC - - - 
7Storm #7 22-29 DEC - - - 
8Tropical Storm #8 23-29 DEC 55 - - 
9Storm #9 26-28 DEC - - - 
10Storm #10 28 DEC- 2 JAN - - - 
11Cyclone #11 31 DEC-10 JAN 100 - 3 
12Cyclone #12 10-20 JAN 95 - 2 
13Storm #13 16-23 JAN - - - 
14Storm #14 26-31 JAN - - - 
15Storm #15 27 JAN- 5 FEB - - - 
16Cyclone #16 27 JAN- 3 FEB 85 - 2 
17Storm #17 1- 7 FEB - - - 
18Storm #18 10-14 FEB - - - 
19Storm #19 12-20 FEB - - - 
20Cyclone #20 13 FEB- 1 MAR 75 - 1 
21Tropical Storm #21 15-21 FEB 50 - - 
22Tropical Storm #22 16-22 FEB 50 - - 
23Storm #23 25 FEB- 4 MAR - - - 
24Storm #24 4- 9 MAR - - - 
25Storm #25 14-18 MAR - - - 
26Storm #26 15-19 MAR - - - 
27Cyclone #27 16-29 MAR 105 - 3 
28Storm #28 18-22 MAR - - - 
29Cyclone #29 27 MAR- 1 APR 100 - 3 
30Cyclone #30 1- 4 APR 115 - 4 
31Tropical Storm #31 5-13 APR 45 - - 
32Storm #32 5-17 APR - - - 

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 (06-12 NOV)
Storm - Max Winds: 50

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Storm #2 (19-29 NOV)
Storm -

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Cyclone #3 (24 NOV-02 DEC)
Storm - Max Winds: 65 Category: 1

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Storm #4 (04-10 DEC)
Storm -

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Tropical Storm #5 (05-11 DEC)
Storm - Max Winds: 40

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Storm #6 (15-22 DEC)
Storm -

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Storm #7 (22-29 DEC)
Storm -

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Tropical Storm #8 (23-29 DEC)
Storm - Max Winds: 55

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Storm #9 (26-28 DEC)
Storm -

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Storm #10 (28 DEC-02 JAN)
Storm -

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Cyclone #11 (31 DEC-10 JAN)
Storm - Max Winds: 100 Category: 3

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Cyclone #12 (10-20 JAN)
Storm - Max Winds: 95 Category: 2

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Storm #13 (16-23 JAN)
Storm -

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Storm #14 (26-31 JAN)
Storm -

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Storm #15 (27 JAN-05 FEB)
Storm -

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Cyclone #16 (27 JAN-03 FEB)
Storm - Max Winds: 85 Category: 2

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Storm #17 (01-07 FEB)
Storm -

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Storm #18 (10-14 FEB)
Storm -

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Storm #19 (12-20 FEB)
Storm -

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Cyclone #20 (13 FEB-01 MAR)
Storm - Max Winds: 75 Category: 1

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Tropical Storm #21 (15-21 FEB)
Storm - Max Winds: 50

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Tropical Storm #22 (16-22 FEB)
Storm - Max Winds: 50

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Storm #23 (25 FEB-04 MAR)
Storm -

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Storm #24 (04-09 MAR)
Storm -

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Storm #25 (14-18 MAR)
Storm -

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Storm #26 (15-19 MAR)
Storm -

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Cyclone #27 (16-29 MAR)
Storm - Max Winds: 105 Category: 3

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Storm #28 (18-22 MAR)
Storm -

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Cyclone #29 (27 MAR-01 APR)
Storm - Max Winds: 100 Category: 3

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Cyclone #30 (01-04 APR)
Storm - Max Winds: 115 Category: 4

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Tropical Storm #31 (05-13 APR)
Storm - Max Winds: 45

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Storm #32 (05-17 APR)
Storm -

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