1991 Hurricane/Tropical Data for Western Pacific

Individual Storm Summary

Winds in knots, pressure in millibars, category is based on Saffir-Simpson scale.

#NameDateWindPresCat 
1Tropical Storm #1 3-15 MAR 60 - - 
2Typhoon #2 18-25 MAR 70 - 1 
3Tropical Storm #3 20-28 APR 45 - - 
4Super Typhoon #4 4-16 MAY 140 - 5 
5Typhoon #5 11-17 JUN 105 - 3 
6Typhoon #6 6-14 JUL 80 - 1 
7Typhoon #7 12-20 JUL 125 - 4 
8Typhoon #8 15-25 JUL 70 - 1 
9Typhoon #9 18-30 JUL 95 - 2 
10Tropical Storm #10 7-11 AUG 35 - - 
11Typhoon #11 8-19 AUG 85 - 2 
12Typhoon #12 8-18 AUG 95 - 2 
13Subtropical Storm #13 11-13 AUG 25 - - 
14Typhoon #14 13-24 AUG 65 - 1 
15Subtropical Storm #15 21-29 AUG 30 - - 
16Tropical Storm #16 27-31 AUG 40 - - 
17Typhoon #17 31 AUG-10 SEP 115 - 4 
18Tropical Storm #18 1- 7 SEP 55 - - 
19Typhoon #19 8-14 SEP 90 - 2 
20Tropical Storm #20 13-19 SEP 50 - - 
21Super Typhoon #21 13-27 SEP 130 - 4 
22Typhoon #22 15 SEP- 2 OCT 110 - 3 
23Typhoon #23 1-13 OCT 115 - 4 
24Typhoon #24 1-13 OCT 125 - 4 
25Super Typhoon #25 16-31 OCT 145 - 5 
26Super Typhoon #26 28 OCT-15 NOV 130 - 4 
27Tropical Storm #27 27 OCT- 8 NOV 45 - - 
28Tropical Storm #28 3-12 NOV 55 - - 
29Tropical Storm #29 12-20 NOV 45 - - 
30Super Typhoon #30 16 NOV- 1 DEC 150 - 5 
31Typhoon #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

Typhoon #31 (24 NOV-04 DEC)
Storm - Max Winds: 80 Category: 1

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Super Typhoon #30 (16 NOV-01 DEC)
Storm - Max Winds: 150 Category: 5

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Tropical Storm #29 (12-20 NOV)
Storm - Max Winds: 45

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Tropical Storm #28 (03-12 NOV)
Storm - Max Winds: 55

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Tropical Storm #27 (27 OCT-08 NOV)
Storm - Max Winds: 45

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Super Typhoon #26 (28 OCT-15 NOV)
Storm - Max Winds: 130 Category: 4

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Super Typhoon #25 (16-31 OCT)
Storm - Max Winds: 145 Category: 5

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Typhoon #24 (01-13 OCT)
Storm - Max Winds: 125 Category: 4

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Typhoon #23 (01-13 OCT)
Storm - Max Winds: 115 Category: 4

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Typhoon #22 (15 SEP-02 OCT)
Storm - Max Winds: 110 Category: 3

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Super Typhoon #21 (13-27 SEP)
Storm - Max Winds: 130 Category: 4

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Tropical Storm #20 (13-19 SEP)
Storm - Max Winds: 50

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Typhoon #19 (08-14 SEP)
Storm - Max Winds: 90 Category: 2

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Tropical Storm #18 (01-07 SEP)
Storm - Max Winds: 55

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Typhoon #17 (31 AUG-10 SEP)
Storm - Max Winds: 115 Category: 4

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Tropical Storm #16 (27-31 AUG)
Storm - Max Winds: 40

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Subtropical Storm #15 (21-29 AUG)
Storm - Max Winds: 30

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Typhoon #14 (13-24 AUG)
Storm - Max Winds: 65 Category: 1

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Subtropical Storm #13 (11-13 AUG)
Storm - Max Winds: 25

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Typhoon #12 (08-18 AUG)
Storm - Max Winds: 95 Category: 2

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Typhoon #11 (08-19 AUG)
Storm - Max Winds: 85 Category: 2

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Tropical Storm #10 (07-11 AUG)
Storm - Max Winds: 35

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Typhoon #9 (18-30 JUL)
Storm - Max Winds: 95 Category: 2

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Typhoon #8 (15-25 JUL)
Storm - Max Winds: 70 Category: 1

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Typhoon #7 (12-20 JUL)
Storm - Max Winds: 125 Category: 4

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Typhoon #6 (06-14 JUL)
Storm - Max Winds: 80 Category: 1

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Typhoon #5 (11-17 JUN)
Storm - Max Winds: 105 Category: 3

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Super Typhoon #4 (04-16 MAY)
Storm - Max Winds: 140 Category: 5

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Tropical Storm #3 (20-28 APR)
Storm - Max Winds: 45

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Typhoon #2 (18-25 MAR)
Storm - Max Winds: 70 Category: 1

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Tropical Storm #1 (03-15 MAR)
Storm - Max Winds: 60

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