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1974 Hurricane/Tropical Data for Eastern Pacific

Track Map

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-3 CONNIE 7-22 JUN 110 942 3 
4Hurricane-1 DOLORES 14-17 JUN 70 0 1 
5Tropical Storm EILEEN 2- 4 JUL 35 0 - 
6Hurricane-1 FRANCESCA 14-19 JUL 65 986 1 
7Hurricane-2 GRETCHEN 17-21 JUL 85 0 2 
8Tropical Storm HELGA 10-13 AUG 40 0 - 
9Hurricane-3 IONE 20-30 AUG 100 0 3 
10Tropical Storm OLIVE 22-26 AUG 40 0 - 
11Hurricane-1 JOYCE 22-27 AUG 75 0 1 
12Hurricane-1 KIRSTEN 22-29 AUG 75 0 1 
13Tropical Storm LORRAINE 23-28 AUG 45 0 - 
14Hurricane-4 MAGGIE 26 AUG- 1 SEP 120 934 4 
15Hurricane-1 NORMA 9-10 SEP 65 0 1 
16Hurricane-2 ORLENE 21-24 SEP 90 0 2 
17Hurricane-1 PATRICIA 6-17 OCT 80 964 1 
18Tropical Storm ROSALIE 21-24 OCT 55 0 - 

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

Track
  • Tropical Storm ROSALIE (21-24 OCT)
    Storm - Max Winds: 55 Min Pres: - Category: TS
Track
  • Hurricane-1 PATRICIA (06-17 OCT)
    Storm - Max Winds: 80 Min Pres: 964 Category: 1
Track
  • Hurricane-2 ORLENE (21-24 SEP)
    Storm - Max Winds: 90 Min Pres: - Category: 2
Track
  • Hurricane-1 NORMA (09-10 SEP)
    Storm - Max Winds: 65 Min Pres: - Category: 1
Track
  • Hurricane-4 MAGGIE (26 AUG-01 SEP)
    Storm - Max Winds: 120 Min Pres: 934 Category: 4
Track
  • Tropical Storm LORRAINE (23-28 AUG)
    Storm - Max Winds: 45 Min Pres: - Category: TS
Track
  • Hurricane-1 KIRSTEN (22-29 AUG)
    Storm - Max Winds: 75 Min Pres: - Category: 1
Track
  • Hurricane-1 JOYCE (22-27 AUG)
    Storm - Max Winds: 75 Min Pres: - Category: 1
Track
  • Tropical Storm OLIVE (22-26 AUG)
    Storm - Max Winds: 40 Min Pres: - Category: TS
Track
  • Hurricane-3 IONE (20-30 AUG)
    Storm - Max Winds: 100 Min Pres: - Category: 3
Track
  • Tropical Storm HELGA (10-13 AUG)
    Storm - Max Winds: 40 Min Pres: - Category: TS
Track
  • Hurricane-2 GRETCHEN (17-21 JUL)
    Storm - Max Winds: 85 Min Pres: - Category: 2
Track
  • Hurricane-1 FRANCESCA (14-19 JUL)
    Storm - Max Winds: 65 Min Pres: 986 Category: 1
Track
  • Tropical Storm EILEEN (02-04 JUL)
    Storm - Max Winds: 35 Min Pres: - Category: TS
Track
  • Hurricane-1 DOLORES (14-17 JUN)
    Storm - Max Winds: 70 Min Pres: - Category: 1
Track
  • Hurricane-3 CONNIE (07-22 JUN)
    Storm - Max Winds: 110 Min Pres: 942 Category: 3
Track
  • Tropical Storm BLANCA (05-08 JUN)
    Storm - Max Winds: 50 Min Pres: 1001 Category: TS
Track
  • Tropical Storm ALETTA (28-30 MAY)
    Storm - Max Winds: 50 Min Pres: 992 Category: TS