1970 Hurricane/Tropical Data for Eastern Pacific

Individual Storm Summary

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

#NameDateWindPresCat 
1Hurricane ADELE 30 MAY- 7 JUN 75 - 1 
2Tropical Storm BLANCA 10-12 JUN 50 - - 
3Tropical Storm CONNIE 17-21 JUN 45 - - 
4Tropical Storm EILEEN 26-30 JUN 40 - - 
5Hurricane FRANCESCA 1-10 JUL 85 991 2 
6Tropical Storm GRETCHEN 14-21 JUL 45 1009 - 
7Tropical Storm HELGA 16-20 JUL 50 - - 
8Tropical Storm IONE 2 22-26 JUL 45 - - 
9Tropical Storm IONE 1 24-25 JUL 50 - - 
10Tropical Storm JOYCE 29 JUL- 4 AUG 50 - - 
11Tropical Storm KRISTEN 5- 8 AUG 45 - - 
12Hurricane LORRAINE 16-27 AUG 85 963 2 
13Tropical Storm MAGGIE 20-27 AUG 50 - - 
14Tropical Storm NORMA 31 AUG- 6 SEP 50 992 - 
15Hurricane DOT 1- 4 SEP 70 - 1 
16Tropical Storm ORLENE 7- 9 SEP 55 - - 
17Hurricane PATRICIA 4-11 OCT 95 972 2 
18Tropical Storm ROSALIE 21-23 OCT 45 1006 - 
19Tropical Storm SELMA 1- 8 NOV 60 995 - 

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 SELMA (01-08 NOV)
Storm - Max Winds: 60 Min Pres: 995

Tracking information

Tropical Storm ROSALIE (21-23 OCT)
Storm - Max Winds: 45 Min Pres: 1006

Tracking information

Hurricane PATRICIA (04-11 OCT)
Storm - Max Winds: 95 Min Pres: 972 Category: 2

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Tropical Storm ORLENE (07-09 SEP)
Storm - Max Winds: 55

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Hurricane DOT (01-04 SEP)
Storm - Max Winds: 70 Category: 1

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Tropical Storm NORMA (31 AUG-06 SEP)
Storm - Max Winds: 50 Min Pres: 992

Tracking information

Tropical Storm MAGGIE (20-27 AUG)
Storm - Max Winds: 50

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Hurricane LORRAINE (16-27 AUG)
Storm - Max Winds: 85 Min Pres: 963 Category: 2

Tracking information

Tropical Storm KRISTEN (05-08 AUG)
Storm - Max Winds: 45

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Tropical Storm JOYCE (29 JUL-04 AUG)
Storm - Max Winds: 50

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Tropical Storm IONE 1 (24-25 JUL)
Storm - Max Winds: 50

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Tropical Storm IONE 2 (22-26 JUL)
Storm - Max Winds: 45

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Tropical Storm HELGA (16-20 JUL)
Storm - Max Winds: 50

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Tropical Storm GRETCHEN (14-21 JUL)
Storm - Max Winds: 45 Min Pres: 1009

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Hurricane FRANCESCA (01-10 JUL)
Storm - Max Winds: 85 Min Pres: 991 Category: 2

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Tropical Storm EILEEN (26-30 JUN)
Storm - Max Winds: 40

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Tropical Storm CONNIE (17-21 JUN)
Storm - Max Winds: 45

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Tropical Storm BLANCA (10-12 JUN)
Storm - Max Winds: 50

Tracking information

Hurricane ADELE (30 MAY-07 JUN)
Storm - Max Winds: 75 Category: 1

Tracking information


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