1984 Hurricane/Tropical Data for Southern Indian Ocean
Individual Storm Summary
Winds in knots, pressure in millibars, category is based on Saffir-Simpson scale.
| # | Name | Date | Wind | Pres | Cat | |
| 1 | Tropical Storm #1 | 11-15 JUL | 35 | - | - | |
| 2 | Cyclone #2 | 24-31 OCT | 70 | - | 1 | |
| 3 | Cyclone #3 | 25-31 OCT | 70 | - | 1 | |
| 4 | Tropical Storm #4 | 10-14 NOV | 35 | - | - | |
| 5 | Tropical Storm #5 | 20-25 NOV | 45 | - | - | |
| 6 | Cyclone #6 | 27-30 NOV | 70 | - | 1 | |
| 7 | Cyclone #7 | 5-16 DEC | 130 | - | 4 | |
| 8 | Tropical Storm #8 | 10-14 DEC | 45 | - | - | |
| 9 | Cyclone #9 | 19-27 DEC | 90 | - | 2 | |
| 10 | Tropical Storm #10 | 19-22 DEC | 45 | - | - | |
| 11 | Tropical Storm #11 | 26-29 DEC | 35 | - | - | |
| 12 | Tropical Storm #12 | 3-11 JAN | 45 | - | - | |
| 13 | Cyclone #13 | 11-19 JAN | 65 | - | 1 | |
| 14 | Tropical Storm #14 | 19-29 JAN | 55 | - | - | |
| 15 | Tropical Storm #15 | 19-23 JAN | 35 | - | - | |
| 16 | Cyclone #16 | 22-30 JAN | 75 | - | 1 | |
| 17 | Cyclone #17 | 1- 5 FEB | 65 | - | 1 | |
| 18 | Tropical Storm #18 | 4- 9 FEB | 60 | - | - | |
| 19 | Tropical Storm #19 | 6-10 FEB | 55 | - | - | |
| 20 | Tropical Storm #20 | 7-20 FEB | 45 | - | - | |
| 21 | Cyclone #21 | 8-23 FEB | 100 | - | 3 | |
| 22 | Tropical Storm #22 | 12-15 FEB | 45 | - | - | |
| 23 | Tropical Storm #23 | 12-15 FEB | 45 | - | - | |
| 24 | Cyclone #24 | 16-23 FEB | 85 | - | 2 | |
| 25 | Tropical Storm #25 | 20-26 FEB | 60 | - | - | |
| 26 | Cyclone #26 | 27 FEB- 2 MAR | 75 | - | 1 | |
| 27 | Tropical Storm #27 | 6-12 MAR | 45 | - | - | |
| 28 | Cyclone #28 | 7-18 MAR | 75 | - | 1 | |
| 29 | Tropical Storm #29 | 16-20 MAR | 40 | - | - | |
| 30 | Cyclone #30 | 19-23 MAR | 125 | - | 4 | |
| 31 | Tropical Storm #31 | 3- 8 APR | 40 | - | - | |
| 32 | Cyclone #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
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Cyclone #32 (03-15 APR) Storm - Max Winds: 100 Category: 3 |
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Tropical Storm #31 (03-08 APR) 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 #29 (16-20 MAR) Storm - Max Winds: 40 |
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Cyclone #28 (07-18 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 #26 (27 FEB-02 MAR) Storm - Max Winds: 75 Category: 1 |
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Tropical Storm #25 (20-26 FEB) Storm - Max Winds: 60 |
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Cyclone #24 (16-23 FEB) Storm - Max Winds: 85 Category: 2 |
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Tropical Storm #23 (12-15 FEB) Storm - Max Winds: 45 |
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Tropical Storm #22 (12-15 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 #20 (07-20 FEB) Storm - Max Winds: 45 |
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Tropical Storm #19 (06-10 FEB) Storm - Max Winds: 55 |
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Tropical Storm #18 (04-09 FEB) Storm - Max Winds: 60 |
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Cyclone #17 (01-05 FEB) Storm - Max Winds: 65 Category: 1 |
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Cyclone #16 (22-30 JAN) Storm - Max Winds: 75 Category: 1 |
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Tropical Storm #15 (19-23 JAN) Storm - Max Winds: 35 |
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Tropical Storm #14 (19-29 JAN) Storm - Max Winds: 55 |
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Cyclone #13 (11-19 JAN) Storm - Max Winds: 65 Category: 1 |
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Tropical Storm #12 (03-11 JAN) Storm - Max Winds: 45 |
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Tropical Storm #11 (26-29 DEC) Storm - Max Winds: 35 |
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Tropical Storm #10 (19-22 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 #8 (10-14 DEC) Storm - Max Winds: 45 |
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Cyclone #7 (05-16 DEC) Storm - Max Winds: 130 Category: 4 |
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Cyclone #6 (27-30 NOV) Storm - Max Winds: 70 Category: 1 |
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Tropical Storm #5 (20-25 NOV) Storm - Max Winds: 45 |
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Tropical Storm #4 (10-14 NOV) Storm - Max Winds: 35 |
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Cyclone #3 (25-31 OCT) Storm - Max Winds: 70 Category: 1 |
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Cyclone #2 (24-31 OCT) Storm - Max Winds: 70 Category: 1 |
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Tropical Storm #1 (11-15 JUL) Storm - Max Winds: 35 |
































