iPhone App1991 Hurricane/Tropical Data for Western Pacific
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 | 3-15 MAR | 60 | - | - | |
| 2 | Typhoon #2 | 18-25 MAR | 70 | - | 1 | |
| 3 | Tropical Storm #3 | 20-28 APR | 45 | - | - | |
| 4 | Super Typhoon #4 | 4-16 MAY | 140 | - | 5 | |
| 5 | Typhoon #5 | 11-17 JUN | 105 | - | 3 | |
| 6 | Typhoon #6 | 6-14 JUL | 80 | - | 1 | |
| 7 | Typhoon #7 | 12-20 JUL | 125 | - | 4 | |
| 8 | Typhoon #8 | 15-25 JUL | 70 | - | 1 | |
| 9 | Typhoon #9 | 18-30 JUL | 95 | - | 2 | |
| 10 | Tropical Storm #10 | 7-11 AUG | 35 | - | - | |
| 11 | Typhoon #11 | 8-19 AUG | 85 | - | 2 | |
| 12 | Typhoon #12 | 8-18 AUG | 95 | - | 2 | |
| 13 | Subtropical Storm #13 | 11-13 AUG | 25 | - | - | |
| 14 | Typhoon #14 | 13-24 AUG | 65 | - | 1 | |
| 15 | Subtropical Storm #15 | 21-29 AUG | 30 | - | - | |
| 16 | Tropical Storm #16 | 27-31 AUG | 40 | - | - | |
| 17 | Typhoon #17 | 31 AUG-10 SEP | 115 | - | 4 | |
| 18 | Tropical Storm #18 | 1- 7 SEP | 55 | - | - | |
| 19 | Typhoon #19 | 8-14 SEP | 90 | - | 2 | |
| 20 | Tropical Storm #20 | 13-19 SEP | 50 | - | - | |
| 21 | Super Typhoon #21 | 13-27 SEP | 130 | - | 4 | |
| 22 | Typhoon #22 | 15 SEP- 2 OCT | 110 | - | 3 | |
| 23 | Typhoon #23 | 1-13 OCT | 115 | - | 4 | |
| 24 | Typhoon #24 | 1-13 OCT | 125 | - | 4 | |
| 25 | Super Typhoon #25 | 16-31 OCT | 145 | - | 5 | |
| 26 | Super Typhoon #26 | 28 OCT-15 NOV | 130 | - | 4 | |
| 27 | Tropical Storm #27 | 27 OCT- 8 NOV | 45 | - | - | |
| 28 | Tropical Storm #28 | 3-12 NOV | 55 | - | - | |
| 29 | Tropical Storm #29 | 12-20 NOV | 45 | - | - | |
| 30 | Super Typhoon #30 | 16 NOV- 1 DEC | 150 | - | 5 | |
| 31 | Typhoon #31 | 24 NOV- 4 DEC | 80 | - | 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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Typhoon #31 (24 NOV-04 DEC) Storm - Max Winds: 80 Category: 1  Tracking information |
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Super Typhoon #30 (16 NOV-01 DEC) Storm - Max Winds: 150 Category: 5 Tracking information |
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Tropical Storm #29 (12-20 NOV) Storm - Max Winds: 45 Tracking information |
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Tropical Storm #28 (03-12 NOV) Storm - Max Winds: 55 Tracking information |
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Tropical Storm #27 (27 OCT-08 NOV) Storm - Max Winds: 45 Tracking information |
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Super Typhoon #26 (28 OCT-15 NOV) Storm - Max Winds: 130 Category: 4 Tracking information |
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Super Typhoon #25 (16-31 OCT) Storm - Max Winds: 145 Category: 5 Tracking information |
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Typhoon #24 (01-13 OCT) Storm - Max Winds: 125 Category: 4 Tracking information |
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Typhoon #23 (01-13 OCT) Storm - Max Winds: 115 Category: 4 Tracking information |
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Typhoon #22 (15 SEP-02 OCT) Storm - Max Winds: 110 Category: 3 Tracking information |
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Super Typhoon #21 (13-27 SEP) Storm - Max Winds: 130 Category: 4 Tracking information |
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Tropical Storm #20 (13-19 SEP) Storm - Max Winds: 50 Tracking information |
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Typhoon #19 (08-14 SEP) Storm - Max Winds: 90 Category: 2 Tracking information |
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Tropical Storm #18 (01-07 SEP) Storm - Max Winds: 55 Tracking information |
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Typhoon #17 (31 AUG-10 SEP) Storm - Max Winds: 115 Category: 4 Tracking information |
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Tropical Storm #16 (27-31 AUG) Storm - Max Winds: 40 Tracking information |
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Subtropical Storm #15 (21-29 AUG) Storm - Max Winds: 30 Tracking information |
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Typhoon #14 (13-24 AUG) Storm - Max Winds: 65 Category: 1 Tracking information |
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Subtropical Storm #13 (11-13 AUG) Storm - Max Winds: 25 Tracking information |
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Typhoon #12 (08-18 AUG) Storm - Max Winds: 95 Category: 2 Tracking information |
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Typhoon #11 (08-19 AUG) Storm - Max Winds: 85 Category: 2 Tracking information |
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Tropical Storm #10 (07-11 AUG) Storm - Max Winds: 35 Tracking information |
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Typhoon #9 (18-30 JUL) Storm - Max Winds: 95 Category: 2 Tracking information |
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Typhoon #8 (15-25 JUL) Storm - Max Winds: 70 Category: 1 Tracking information |
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Typhoon #7 (12-20 JUL) Storm - Max Winds: 125 Category: 4 Tracking information |
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Typhoon #6 (06-14 JUL) Storm - Max Winds: 80 Category: 1 Tracking information |
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Typhoon #5 (11-17 JUN) Storm - Max Winds: 105 Category: 3 Tracking information |
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Super Typhoon #4 (04-16 MAY) Storm - Max Winds: 140 Category: 5 Tracking information |
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Tropical Storm #3 (20-28 APR) Storm - Max Winds: 45 Tracking information |
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Typhoon #2 (18-25 MAR) Storm - Max Winds: 70 Category: 1 Tracking information |
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Tropical Storm #1 (03-15 MAR) Storm - Max Winds: 60 Tracking information |