1974 Hurricane/Tropical Data for Eastern Pacific

Individual Storm Summary

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

#NameDateWindPresCat 
1Tropical Storm ALETTA 28-30 MAY 50 992 - 
2Tropical Storm BLANCA 5- 8 JUN 50 1001 - 
3Hurricane CONNIE 7-22 JUN 110 942 3 
4Hurricane DOLORES 14-17 JUN 70 - 1 
5Tropical Storm EILEEN 2- 4 JUL 35 - - 
6Hurricane FRANCESCA 14-19 JUL 65 986 1 
7Hurricane GRETCHEN 17-21 JUL 85 - 2 
8Tropical Storm HELGA 10-13 AUG 40 - - 
9Hurricane IONE 20-30 AUG 100 - 3 
10Tropical Storm OLIVE 22-26 AUG 40 - - 
11Hurricane JOYCE 22-27 AUG 75 - 1 
12Hurricane KIRSTEN 22-29 AUG 75 - 1 
13Tropical Storm LORRAINE 23-28 AUG 45 - - 
14Hurricane MAGGIE 26 AUG- 1 SEP 120 934 4 
15Hurricane NORMA 9-10 SEP 65 - 1 
16Hurricane ORLENE 21-24 SEP 90 - 2 
17Hurricane PATRICIA 6-17 OCT 80 964 1 
18Tropical Storm ROSALIE 21-24 OCT 55 - - 

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

Tropical Storm ROSALIE (21-24 OCT)
Storm - Max Winds: 55

Tracking information

Hurricane PATRICIA (06-17 OCT)
Storm - Max Winds: 80 Min Pres: 964 Category: 1

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Hurricane ORLENE (21-24 SEP)
Storm - Max Winds: 90 Category: 2

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Hurricane NORMA (09-10 SEP)
Storm - Max Winds: 65 Category: 1

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Hurricane MAGGIE (26 AUG-01 SEP)
Storm - Max Winds: 120 Min Pres: 934 Category: 4

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Tropical Storm LORRAINE (23-28 AUG)
Storm - Max Winds: 45

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Hurricane KIRSTEN (22-29 AUG)
Storm - Max Winds: 75 Category: 1

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Hurricane JOYCE (22-27 AUG)
Storm - Max Winds: 75 Category: 1

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Tropical Storm OLIVE (22-26 AUG)
Storm - Max Winds: 40

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Hurricane IONE (20-30 AUG)
Storm - Max Winds: 100 Category: 3

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Tropical Storm HELGA (10-13 AUG)
Storm - Max Winds: 40

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Hurricane GRETCHEN (17-21 JUL)
Storm - Max Winds: 85 Category: 2

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Hurricane FRANCESCA (14-19 JUL)
Storm - Max Winds: 65 Min Pres: 986 Category: 1

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Tropical Storm EILEEN (02-04 JUL)
Storm - Max Winds: 35

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Hurricane DOLORES (14-17 JUN)
Storm - Max Winds: 70 Category: 1

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Hurricane CONNIE (07-22 JUN)
Storm - Max Winds: 110 Min Pres: 942 Category: 3

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Tropical Storm BLANCA (05-08 JUN)
Storm - Max Winds: 50 Min Pres: 1001

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Tropical Storm ALETTA (28-30 MAY)
Storm - Max Winds: 50 Min Pres: 992

Tracking information


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