iPhone App1977 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 | Unknown Storm #1 | 2-15 OCT | - | - | - | |
| 2 | Unknown Storm #2 | 6-29 NOV | - | - | - | |
| 3 | Unknown Storm #3 | 15-21 DEC | - | - | - | |
| 4 | Cyclone #4 | 16-20 DEC | 100 | - | 3 | |
| 5 | Unknown Storm #5 | 1-16 JAN | - | - | - | |
| 6 | Cyclone #6 | 6-13 JAN | 85 | - | 2 | |
| 7 | Cyclone #7 | 11-21 JAN | 70 | - | 1 | |
| 8 | Cyclone #8 | 17-26 JAN | 70 | - | 1 | |
| 9 | Unknown Storm #9 | 17-23 JAN | - | - | - | |
| 10 | Unknown Storm #10 | 25 JAN-10 FEB | - | - | - | |
| 11 | Unknown Storm #11 | 25 JAN-10 FEB | - | - | - | |
| 12 | Tropical Storm #12 | 30 JAN- 1 FEB | 50 | - | - | |
| 13 | Unknown Storm #13 | 1- 8 FEB | - | - | - | |
| 14 | Unknown Storm #14 | 8 FEB- 2 MAR | - | - | - | |
| 15 | Tropical Storm #15 | 9-12 FEB | 40 | - | - | |
| 16 | Tropical Storm #16 | 9-13 FEB | 45 | - | - | |
| 17 | Unknown Storm #17 | 10 FEB- 3 MAR | - | - | - | |
| 18 | Tropical Storm #18 | 12-13 FEB | 35 | - | - | |
| 19 | Cyclone #19 | 2- 9 MAR | 85 | - | 2 | |
| 20 | Tropical Storm #20 | 7-10 MAR | 55 | - | - | |
| 21 | Tropical Storm #21 | 9-13 MAR | 40 | - | - | |
| 22 | Unknown Storm #22 | 15-18 MAR | - | - | - | |
| 23 | Cyclone #23 | 24-28 MAR | 90 | - | 2 | |
| 24 | Cyclone #24 | 16-23 APR | 80 | - | 1 | |
| 25 | Tropical 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
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Tropical Storm #25 (28 APR-02 MAY) Storm - Max Winds: 60  Tracking information |
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Cyclone #24 (16-23 APR) Storm - Max Winds: 80 Category: 1 Tracking information |
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Cyclone #23 (24-28 MAR) Storm - Max Winds: 90 Category: 2 Tracking information |
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Unknown Storm #22 (15-18 MAR) Storm - Tracking information |
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Tropical Storm #21 (09-13 MAR) Storm - Max Winds: 40 Tracking information |
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Tropical Storm #20 (07-10 MAR) Storm - Max Winds: 55 Tracking information |
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Cyclone #19 (02-09 MAR) Storm - Max Winds: 85 Category: 2 Tracking information |
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Tropical Storm #18 (12-13 FEB) Storm - Max Winds: 35 Tracking information |
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Unknown Storm #17 (10 FEB-03 MAR) Storm - Tracking information |
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Tropical Storm #16 (09-13 FEB) Storm - Max Winds: 45 Tracking information |
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Tropical Storm #15 (09-12 FEB) Storm - Max Winds: 40 Tracking information |
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Unknown Storm #14 (08 FEB-02 MAR) Storm - Tracking information |
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Unknown Storm #13 (01-08 FEB) Storm - Tracking information |
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Tropical Storm #12 (30 JAN-01 FEB) Storm - Max Winds: 50 Tracking information |
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Unknown Storm #11 (25 JAN-10 FEB) Storm - Tracking information |
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Unknown Storm #10 (25 JAN-10 FEB) Storm - Tracking information |
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Unknown Storm #9 (17-23 JAN) Storm - Tracking information |
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Cyclone #8 (17-26 JAN) Storm - Max Winds: 70 Category: 1 Tracking information |
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Cyclone #7 (11-21 JAN) Storm - Max Winds: 70 Category: 1 Tracking information |
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Cyclone #6 (06-13 JAN) Storm - Max Winds: 85 Category: 2 Tracking information |
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Unknown Storm #5 (01-16 JAN) Storm - Tracking information |
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Cyclone #4 (16-20 DEC) Storm - Max Winds: 100 Category: 3 Tracking information |
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Unknown Storm #3 (15-21 DEC) Storm - Tracking information |
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Unknown Storm #2 (06-29 NOV) Storm - Tracking information |
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Unknown Storm #1 (02-15 OCT) Storm - Tracking information |