1977 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 2-15 OCT - - - 
2Storm #2 6-29 NOV - - - 
3Storm #3 15-21 DEC - - - 
4Cyclone #4 16-20 DEC 100 - 3 
5Storm #5 1-16 JAN - - - 
6Cyclone #6 6-13 JAN 85 - 2 
7Cyclone #7 11-21 JAN 70 - 1 
8Cyclone #8 17-26 JAN 70 - 1 
9Storm #9 17-23 JAN - - - 
10Storm #10 25 JAN-10 FEB - - - 
11Storm #11 25 JAN-10 FEB - - - 
12Tropical Storm #12 30 JAN- 1 FEB 50 - - 
13Storm #13 1- 8 FEB - - - 
14Storm #14 8 FEB- 2 MAR - - - 
15Tropical Storm #15 9-12 FEB 40 - - 
16Tropical Storm #16 9-13 FEB 45 - - 
17Storm #17 10 FEB- 3 MAR - - - 
18Tropical Storm #18 12-13 FEB 35 - - 
19Cyclone #19 2- 9 MAR 85 - 2 
20Tropical Storm #20 7-10 MAR 55 - - 
21Tropical Storm #21 9-13 MAR 40 - - 
22Storm #22 15-18 MAR - - - 
23Cyclone #23 24-28 MAR 90 - 2 
24Cyclone #24 16-23 APR 80 - 1 
25Tropical Storm #25 28 APR- 2 MAY 60 - - 

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 (02-15 OCT)
Storm -

Tracking information

Storm #2 (06-29 NOV)
Storm -

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Storm #3 (15-21 DEC)
Storm -

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Cyclone #4 (16-20 DEC)
Storm - Max Winds: 100 Category: 3

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Storm #5 (01-16 JAN)
Storm -

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Cyclone #6 (06-13 JAN)
Storm - Max Winds: 85 Category: 2

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Cyclone #7 (11-21 JAN)
Storm - Max Winds: 70 Category: 1

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Cyclone #8 (17-26 JAN)
Storm - Max Winds: 70 Category: 1

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Storm #9 (17-23 JAN)
Storm -

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Storm #10 (25 JAN-10 FEB)
Storm -

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Storm #11 (25 JAN-10 FEB)
Storm -

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Tropical Storm #12 (30 JAN-01 FEB)
Storm - Max Winds: 50

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Storm #13 (01-08 FEB)
Storm -

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Storm #14 (08 FEB-02 MAR)
Storm -

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Tropical Storm #15 (09-12 FEB)
Storm - Max Winds: 40

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Tropical Storm #16 (09-13 FEB)
Storm - Max Winds: 45

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Storm #17 (10 FEB-03 MAR)
Storm -

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Tropical Storm #18 (12-13 FEB)
Storm - Max Winds: 35

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Cyclone #19 (02-09 MAR)
Storm - Max Winds: 85 Category: 2

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Tropical Storm #20 (07-10 MAR)
Storm - Max Winds: 55

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Tropical Storm #21 (09-13 MAR)
Storm - Max Winds: 40

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Storm #22 (15-18 MAR)
Storm -

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Cyclone #23 (24-28 MAR)
Storm - Max Winds: 90 Category: 2

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Cyclone #24 (16-23 APR)
Storm - Max Winds: 80 Category: 1

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Tropical Storm #25 (28 APR-02 MAY)
Storm - Max Winds: 60

Tracking information


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