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Sam — 2021

Peak intensity: Cat 4 (155 mph). Active September 22–October 07, 2021 (16 days).

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

By the numbers

Peak winds
155 mph
Cat 4
Min pressure
927 mb
at peak intensity
Observations
59
6-hourly fixes
ACE
54.0
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 59 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
2021-09-22 18:00Z TD 10.0, -33.1 34 mph 1008 mb
2021-09-23 00:00Z TD 10.2, -34.4 34 mph 1008 mb
2021-09-23 06:00Z TS 10.4, -36.0 40 mph 1006 mb
2021-09-23 12:00Z TS 10.7, -37.6 52 mph 1003 mb
2021-09-23 18:00Z TS 10.9, -39.0 57 mph 1000 mb
2021-09-24 00:00Z TS 11.1, -40.3 69 mph 997 mb
2021-09-24 06:00Z HU 11.4, -41.6 75 mph 993 mb
2021-09-24 12:00Z HU 11.6, -43.0 75 mph 993 mb
2021-09-24 18:00Z HU 11.9, -44.3 80 mph 989 mb
2021-09-25 00:00Z HU 12.3, -45.4 98 mph 982 mb
2021-09-25 06:00Z HU 12.6, -46.3 109 mph 973 mb
2021-09-25 12:00Z HU 12.8, -47.2 121 mph 960 mb
Source: HURDAT2 — NOAA Atlantic Hurricane Database, public domain. Storm ID: AL182021