2004 Hurricane/Tropical Data for Eastern 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 AGATHA | 22-26 MAY | 50 | 997 | - | |
| 2 | Tropical Storm BLAS | 12-19 JUL | 55 | 991 | - | |
| 3 | Hurricane CELIA | 19-26 JUL | 75 | 981 | 1 | |
| 4 | Hurricane DARBY | 26 JUL- 1 AUG | 105 | 957 | 3 | |
| 5 | Tropical Storm ESTELLE | 19-25 AUG | 60 | 989 | - | |
| 6 | Hurricane FRANK | 23-27 AUG | 75 | 979 | 1 | |
| 7 | Tropical Storm GEORGETTE | 26 AUG- 3 SEP | 55 | 995 | - | |
| 8 | Hurricane HOWARD | 30 AUG-10 SEP | 120 | 943 | 4 | |
| 9 | Hurricane ISIS | 8-21 SEP | 65 | 987 | 1 | |
| 10 | Hurricane JAVIER | 10-20 SEP | 130 | 930 | 4 | |
| 11 | Tropical Storm KAY | 4- 7 OCT | 40 | 1004 | - | |
| 12 | Tropical Storm LESTER | 11-13 OCT | 45 | 1000 | - |
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 LESTER (11-13 OCT) Storm - Max Winds: 45 Min Pres: 1000 |
![]() |
Tropical Storm KAY (04-07 OCT) Storm - Max Winds: 40 Min Pres: 1004 |
![]() |
Hurricane JAVIER (10-20 SEP) Storm - Max Winds: 130 Min Pres: 930 Category: 4 |
![]() |
Hurricane ISIS (08-21 SEP) Storm - Max Winds: 65 Min Pres: 987 Category: 1 |
![]() |
Hurricane HOWARD (30 AUG-10 SEP) Storm - Max Winds: 120 Min Pres: 943 Category: 4 |
![]() |
Tropical Storm GEORGETTE (26 AUG-03 SEP) Storm - Max Winds: 55 Min Pres: 995 |
![]() |
Hurricane FRANK (23-27 AUG) Storm - Max Winds: 75 Min Pres: 979 Category: 1 |
![]() |
Tropical Storm ESTELLE (19-25 AUG) Storm - Max Winds: 60 Min Pres: 989 |
![]() |
Hurricane DARBY (26 JUL-01 AUG) Storm - Max Winds: 105 Min Pres: 957 Category: 3 |
![]() |
Hurricane CELIA (19-26 JUL) Storm - Max Winds: 75 Min Pres: 981 Category: 1 |
![]() |
Tropical Storm BLAS (12-19 JUL) Storm - Max Winds: 55 Min Pres: 991 |
![]() |
Tropical Storm AGATHA (22-26 MAY) Storm - Max Winds: 50 Min Pres: 997 |












