1973 Hurricane/Tropical Data for Southern Indian Ocean

Individual Storm Summary

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

#NameDateWindPresCat 
1Storm #1 19-29 OCT - - - 
2Storm #2 26 NOV- 1 DEC - - - 
3Storm #3 26 NOV- 2 DEC - - - 
4Storm #4 6-18 DEC - - - 
5Storm #5 8-25 DEC - - - 
6Storm #6 31 DEC- 2 JAN - - - 
7Storm #7 31 DEC- 8 JAN - - - 
8Storm #8 2-12 JAN - - - 
9Storm #9 10-16 JAN - - - 
10Storm #10 11-15 JAN - - - 
11Storm #11 14-17 JAN - - - 
12Storm #12 18-21 JAN - - - 
13Cyclone #13 19-23 JAN 85 - 2 
14Storm #14 19-21 JAN - - - 
15Storm #15 22 JAN- 3 FEB - - - 
16Storm #16 24 JAN- 5 FEB - - - 
17Storm #17 27-31 JAN - - - 
18Storm #18 28-31 JAN - - - 
19Storm #19 29 JAN- 1 FEB - - - 
20Storm #20 31 JAN- 5 FEB - - - 
21Storm #21 14-19 FEB - - - 
22Storm #22 14-27 FEB - - - 
23Storm #23 21 FEB- 2 MAR - - - 
24Storm #24 25 FEB- 5 MAR - - - 
25Storm #25 26 FEB- 1 MAR - - - 
26Storm #26 2- 7 MAR - - - 
27Cyclone #27 2-17 MAR 80 - 1 
28Storm #28 3-10 MAR - - - 
29Storm #29 4-15 MAR - - - 
30Tropical Storm #30 13-23 MAR 60 - - 
31Storm #31 20-25 MAR - - - 
32Storm #32 25 MAR- 1 APR - - - 
33Storm #33 2- 5 APR - - - 
34Storm #34 18-23 APR - - - 
35Storm #35 28 APR- 9 MAY - - - 
36Storm #36 1- 6 MAY - - - 

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

Storm #1 (19-29 OCT)
Storm -

Tracking information

Storm #2 (26 NOV-01 DEC)
Storm -

Tracking information

Storm #3 (26 NOV-02 DEC)
Storm -

Tracking information

Storm #4 (06-18 DEC)
Storm -

Tracking information

Storm #5 (08-25 DEC)
Storm -

Tracking information

Storm #6 (31 DEC-02 JAN)
Storm -

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Storm #7 (31 DEC-08 JAN)
Storm -

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Storm #8 (02-12 JAN)
Storm -

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Storm #9 (10-16 JAN)
Storm -

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Storm #10 (11-15 JAN)
Storm -

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Storm #11 (14-17 JAN)
Storm -

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Storm #12 (18-21 JAN)
Storm -

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Cyclone #13 (19-23 JAN)
Storm - Max Winds: 85 Category: 2

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Storm #14 (19-21 JAN)
Storm -

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Storm #15 (22 JAN-03 FEB)
Storm -

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Storm #16 (24 JAN-05 FEB)
Storm -

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Storm #17 (27-31 JAN)
Storm -

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Storm #18 (28-31 JAN)
Storm -

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Storm #19 (29 JAN-01 FEB)
Storm -

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Storm #20 (31 JAN-05 FEB)
Storm -

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Storm #21 (14-19 FEB)
Storm -

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Storm #22 (14-27 FEB)
Storm -

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Storm #23 (21 FEB-02 MAR)
Storm -

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Storm #24 (25 FEB-05 MAR)
Storm -

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Storm #25 (26 FEB-01 MAR)
Storm -

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Storm #26 (02-07 MAR)
Storm -

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Cyclone #27 (02-17 MAR)
Storm - Max Winds: 80 Category: 1

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Storm #28 (03-10 MAR)
Storm -

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Storm #29 (04-15 MAR)
Storm -

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Tropical Storm #30 (13-23 MAR)
Storm - Max Winds: 60

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Storm #31 (20-25 MAR)
Storm -

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Storm #32 (25 MAR-01 APR)
Storm -

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Storm #33 (02-05 APR)
Storm -

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Storm #34 (18-23 APR)
Storm -

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Storm #35 (28 APR-09 MAY)
Storm -

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Storm #36 (01-06 MAY)
Storm -

Tracking information


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