iPhone App1981 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 | 9-14 NOV | - | - | - | |
| 2 | Unknown Storm #2 | 22 NOV- 1 DEC | - | - | - | |
| 3 | Unknown Storm #3 | 2- 9 DEC | - | - | - | |
| 4 | Unknown Storm #4 | 13-18 DEC | - | - | - | |
| 5 | Unknown Storm #5 | 17-19 DEC | - | - | - | |
| 6 | Unknown Storm #6 | 23-29 DEC | - | - | - | |
| 7 | Unknown Storm #7 | 28 DEC- 1 JAN | - | - | - | |
| 8 | Cyclone #8 | 4-10 JAN | 105 | - | 3 | |
| 9 | Cyclone #9 | 11-16 JAN | 75 | - | 1 | |
| 10 | Cyclone #10 | 12-21 JAN | 100 | - | 3 | |
| 11 | Tropical Storm #11 | 14-18 JAN | 45 | - | - | |
| 12 | Subtropical Storm #12 | 21-27 JAN | 25 | - | - | |
| 13 | Tropical Storm #13 | 28 JAN- 4 FEB | 45 | - | - | |
| 14 | Unknown Storm #14 | 31 JAN- 3 FEB | - | - | - | |
| 15 | Cyclone #15 | 8-15 FEB | 75 | - | 1 | |
| 16 | Tropical Storm #16 | 8-15 FEB | 40 | - | - | |
| 17 | Tropical Storm #17 | 16-23 FEB | 55 | - | - | |
| 18 | Unknown Storm #18 | 20-24 FEB | - | - | - | |
| 19 | Cyclone #19 | 24 FEB- 5 MAR | 100 | - | 3 | |
| 20 | Cyclone #20 | 25 FEB- 8 MAR | 75 | - | 1 | |
| 21 | Tropical Storm #21 | 1- 3 MAR | 50 | - | - | |
| 22 | Cyclone #22 | 1-10 MAR | 80 | - | 1 | |
| 23 | Unknown Storm #23 | 9-13 MAR | - | - | - | |
| 24 | Cyclone #24 | 10-18 MAR | 100 | - | 3 | |
| 25 | Unknown Storm #25 | 20-23 MAR | - | - | - | |
| 26 | Tropical Storm #26 | 28 MAR- 6 APR | 40 | - | - | |
| 27 | Cyclone #27 | 4-13 APR | 120 | - | 4 | |
| 28 | Tropical Storm #28 | 6-14 APR | 40 | - | - | |
| 29 | Tropical Storm #29 | 22-30 MAY | 35 | - | - |
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 #29 (22-30 MAY) Storm - Max Winds: 35  Tracking information |
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Tropical Storm #28 (06-14 APR) Storm - Max Winds: 40 Tracking information |
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Cyclone #27 (04-13 APR) Storm - Max Winds: 120 Category: 4 Tracking information |
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Tropical Storm #26 (28 MAR-06 APR) Storm - Max Winds: 40 Tracking information |
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Unknown Storm #25 (20-23 MAR) Storm - Tracking information |
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Cyclone #24 (10-18 MAR) Storm - Max Winds: 100 Category: 3 Tracking information |
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Unknown Storm #23 (09-13 MAR) Storm - Tracking information |
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Cyclone #22 (01-10 MAR) Storm - Max Winds: 80 Category: 1 Tracking information |
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Tropical Storm #21 (01-03 MAR) Storm - Max Winds: 50 Tracking information |
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Cyclone #20 (25 FEB-08 MAR) Storm - Max Winds: 75 Category: 1 Tracking information |
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Cyclone #19 (24 FEB-05 MAR) Storm - Max Winds: 100 Category: 3 Tracking information |
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Unknown Storm #18 (20-24 FEB) Storm - Tracking information |
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Tropical Storm #17 (16-23 FEB) Storm - Max Winds: 55 Tracking information |
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Tropical Storm #16 (08-15 FEB) Storm - Max Winds: 40 Tracking information |
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Cyclone #15 (08-15 FEB) Storm - Max Winds: 75 Category: 1 Tracking information |
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Unknown Storm #14 (31 JAN-03 FEB) Storm - Tracking information |
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Tropical Storm #13 (28 JAN-04 FEB) Storm - Max Winds: 45 Tracking information |
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Subtropical Storm #12 (21-27 JAN) Storm - Max Winds: 25 Tracking information |
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Tropical Storm #11 (14-18 JAN) Storm - Max Winds: 45 Tracking information |
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Cyclone #10 (12-21 JAN) Storm - Max Winds: 100 Category: 3 Tracking information |
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Cyclone #9 (11-16 JAN) Storm - Max Winds: 75 Category: 1 Tracking information |
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Cyclone #8 (04-10 JAN) Storm - Max Winds: 105 Category: 3 Tracking information |
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Unknown Storm #7 (28 DEC-01 JAN) Storm - Tracking information |
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Unknown Storm #6 (23-29 DEC) Storm - Tracking information |
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Unknown Storm #5 (17-19 DEC) Storm - Tracking information |
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Unknown Storm #4 (13-18 DEC) Storm - Tracking information |
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Unknown Storm #3 (02-09 DEC) Storm - Tracking information |
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Unknown Storm #2 (22 NOV-01 DEC) Storm - Tracking information |
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Unknown Storm #1 (09-14 NOV) Storm - Tracking information |