iPhone App1998 Hurricane/Tropical Data for Northern Indian Ocean
Individual Storm Summary
Winds in knots, pressure in millibars, category is based on Saffir-Simpson scale.
| # | Name | Date | Wind | Pres | Cat | |
| 1 | Cyclone #1 | 13-20 MAY | 70 | - | 1 | |
| 2 | Tropical Storm #2 | 27-29 MAY | 35 | - | - | |
| 3 | Cyclone #3 | 1- 9 JUN | 105 | - | 3 | |
| 4 | Tropical Storm #4 | 28 SEP- 1 OCT | 35 | - | - | |
| 5 | Tropical Storm #5 | 15-18 OCT | 35 | - | - | |
| 6 | Cyclone #6 | 13-16 NOV | 85 | - | 2 | |
| 7 | Cyclone #7 | 16-23 NOV | 75 | - | 1 | |
| 8 | Cyclone #8 | 11-17 DEC | 65 | - | 1 |
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 #8 (11-17 DEC) Storm - Max Winds: 65 Category: 1  Tracking information |
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Cyclone #7 (16-23 NOV) Storm - Max Winds: 75 Category: 1 Tracking information |
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Cyclone #6 (13-16 NOV) Storm - Max Winds: 85 Category: 2 Tracking information |
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Tropical Storm #5 (15-18 OCT) Storm - Max Winds: 35 Tracking information |
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Tropical Storm #4 (28 SEP-01 OCT) Storm - Max Winds: 35 Tracking information |
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Cyclone #3 (01-09 JUN) Storm - Max Winds: 105 Category: 3 Tracking information |
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Tropical Storm #2 (27-29 MAY) Storm - Max Winds: 35 Tracking information |
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Cyclone #1 (13-20 MAY) Storm - Max Winds: 70 Category: 1 Tracking information |