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Irma — 2017

Peak intensity: Cat 5 (178 mph). Active August 30–September 13, 2017 (15 days). Made 7 landfalls.

On this page
  1. By the numbers
  2. Storm summary
  3. Track and observations
  4. Location-specific summary

By the numbers

Peak winds
178 mph
Cat 5
Min pressure
914 mb
at peak intensity
Observations
66
6-hourly fixes
ACE
64.9
accumulated cyclone energy

Storm summary

A plain-language narrative summary for this storm is on the way. In the meantime, the key statistics above and the full observation log below come directly from HURDAT2, NOAA's official Atlantic hurricane database. Where the National Hurricane Center has published a Tropical Cyclone Report, a link to the official PDF will appear here.

Track and observations

The complete observation log below lists all 66 fixes from HURDAT2 — position, status, wind, and pressure at each interval over the storm's lifetime.

Show first 12 observations
Time Status Lat / Lon Winds Pressure
2017-08-30 00:00Z TD 16.1, -26.9 34 mph 1008 mb
2017-08-30 06:00Z TS 16.2, -28.3 40 mph 1007 mb
2017-08-30 12:00Z TS 16.3, -29.7 52 mph 1006 mb
2017-08-30 18:00Z TS 16.3, -30.8 57 mph 1004 mb
2017-08-31 00:00Z TS 16.3, -31.7 63 mph 999 mb
2017-08-31 06:00Z HU 16.4, -32.5 75 mph 994 mb
2017-08-31 12:00Z HU 16.7, -33.4 92 mph 983 mb
2017-08-31 18:00Z HU 17.1, -34.2 109 mph 970 mb
2017-09-01 00:00Z HU 17.5, -35.1 115 mph 967 mb
2017-09-01 06:00Z HU 17.9, -36.1 115 mph 967 mb
2017-09-01 12:00Z HU 18.4, -37.3 115 mph 967 mb
2017-09-01 18:00Z HU 18.8, -38.5 115 mph 967 mb
Source: HURDAT2 — NOAA Atlantic Hurricane Database, public domain. Storm ID: AL112017