iPhone App1971 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 | Unknown Storm #1 | 3- 8 MAY | - | - | - | |
| 2 | Unknown Storm #2 | 1- 4 JUN | - | - | - | |
| 3 | Unknown Storm #3 | 3- 8 JUN | - | - | - | |
| 4 | Unknown Storm #4 | 20-23 JUN | - | - | - | |
| 5 | Unknown Storm #5 | 15-22 JUL | - | - | - | |
| 6 | Unknown Storm #6 | 26-29 JUL | - | - | - | |
| 7 | Unknown Storm #7 | 7- 9 AUG | - | - | - | |
| 8 | Unknown Storm #8 | 30-31 AUG | - | - | - | |
| 9 | Unknown Storm #9 | 1- 1 SEP | - | - | - | |
| 10 | Unknown Storm #10 | 24-25 SEP | - | - | - | |
| 11 | Unknown Storm #11 | 27-30 SEP | - | - | - | |
| 12 | Unknown Storm #13 | 14-17 OCT | - | - | - | |
| 13 | Unknown Storm #14 | 26-31 OCT | - | - | - | |
| 14 | Unknown Storm #15 | 1- 1 NOV | - | - | - | |
| 15 | Unknown Storm #16 | 27-31 OCT | - | - | - | |
| 16 | Unknown Storm #18 | 3- 6 NOV | - | - | - | |
| 17 | Unknown Storm #19 | 14-21 DEC | - | - | - |
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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Unknown Storm #19 (14-21 DEC) Storm -  Tracking information |
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Unknown Storm #18 (03-06 NOV) Storm - Tracking information |
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Unknown Storm #16 (27-31 OCT) Storm - Tracking information |
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Unknown Storm #15 (01-01 NOV) Storm - Tracking information |
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Unknown Storm #14 (26-31 OCT) Storm - Tracking information |
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Unknown Storm #13 (14-17 OCT) Storm - Tracking information |
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Unknown Storm #11 (27-30 SEP) Storm - Tracking information |
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Unknown Storm #10 (24-25 SEP) Storm - Tracking information |
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Unknown Storm #9 (01-01 SEP) Storm - Tracking information |
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Unknown Storm #8 (30-31 AUG) Storm - Tracking information |
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Unknown Storm #7 (07-09 AUG) Storm - Tracking information |
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Unknown Storm #6 (26-29 JUL) Storm - Tracking information |
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Unknown Storm #5 (15-22 JUL) Storm - Tracking information |
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Unknown Storm #4 (20-23 JUN) Storm - Tracking information |
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Unknown Storm #3 (03-08 JUN) Storm - Tracking information |
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Unknown Storm #2 (01-04 JUN) Storm - Tracking information |
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Unknown Storm #1 (03-08 MAY) Storm - Tracking information |