Every storm track on one map · Atlantic · 12 systems
TD TS Cat 1 2 3 4 5 · hover a track to highlight it, click to open the storm’s own page with an animated replay.
01 · Summary
The 1909 Atlantic season produced 12 tropical storms, 6 hurricanes and 4 major hurricanes (Cat 3+), with an accumulated cyclone energy (ACE) of 93. The strongest was 1909 Grand Isle Hurricane at 121 mph / 952 mb. 6 storms made landfall.
02 · Timeline
Each bar is one storm’s life, colored by its strength at that moment (faded = post-tropical). Click a bar to open the storm.
03 · Atlantic
| Storm | Dates | Peak | Pressure | Landfall | ACE |
|---|---|---|---|---|---|
| Unnamed storm #1 | Jun 15 – Jun 19 | TS 46 mph | — | — | 2.4 |
| Unnamed hurricane #2 | Jun 25 – Jun 30 | Cat 2 98 mph | 972 mb | yes | 5.6 |
| Unnamed storm #3 | Jun 26 – Jul 4 | TS 52 mph | — | yes | 1.8 |
| 1909 Velasco Hurricane | Jul 13 – Jul 22 | Cat 3 115 mph | 959 mb | Texas | 9.8 |
| Unnamed storm #5 | Aug 6 – Aug 10 | TS 46 mph | 1004 mb | — | 1.5 |
| 1909 Monterrey Hurricane | Aug 20 – Aug 28 | Cat 3 121 mph | — | — | 22.7 |
| Unnamed storm #7 | Aug 22 – Aug 25 | TS 52 mph | — | — | 1.1 |
| Unnamed storm #8 | Aug 28 – Aug 31 | TS 52 mph | — | yes | 1.6 |
| 1909 Grand Isle Hurricane | Sep 13 – Sep 22 | Cat 3 121 mph | 952 mb | Louisiana | 17.8 |
| Unnamed storm #10 | Sep 24 – Sep 29 | TS 58 mph | — | — | 1.8 |
| Unnamed hurricane #11 | Oct 6 – Oct 13 | Cat 3 121 mph | 957 mb | yes | 17.2 |
| 1909 Greater Antilles Hurricane | Nov 8 – Nov 14 | Cat 2 104 mph | — | — | 9.9 |
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