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Subtropical Storm Alfa (1973)

Atlantic storm, 07/30/1973 to 08/02/1973. Peak: Subtropical storm.

Peak strength
Subtropical storm
Peak winds
46 mph
40 knots
Lowest pressure
1,005 mb
Duration
3 days

Storm track

12 positions from NOAA's best-track data, colored by strength at each point

  • Depression
  • Tropical storm
  • Cat 1
  • Cat 2
  • Cat 3
  • Cat 4
  • Cat 5
All track points (12)
Time (UTC)PositionStatusWindPressure
07/30/1973 19:00 UTC32.6°N, 74.1°WSubtropical depression29 mph1,011 mb
07/31/1973 01:00 UTC33.5°N, 73.0°WSubtropical depression35 mph1,011 mb
07/31/1973 07:00 UTC34.5°N, 72.0°WSubtropical storm40 mph1,011 mb
07/31/1973 13:00 UTC35.5°N, 71.0°WSubtropical storm40 mph1,011 mb
07/31/1973 19:00 UTC36.8°N, 70.5°WSubtropical storm46 mph1,011 mb
08/01/1973 01:00 UTC38.3°N, 70.2°WSubtropical storm46 mph1,005 mb
08/01/1973 07:00 UTC39.4°N, 69.9°WSubtropical storm46 mph1,006 mb
08/01/1973 13:00 UTC40.3°N, 69.7°WSubtropical storm40 mph1,006 mb
08/01/1973 19:00 UTC41.3°N, 69.4°WSubtropical storm40 mph1,007 mb
08/02/1973 01:00 UTC42.6°N, 69.0°WSubtropical depression35 mph1,008 mb
08/02/1973 07:00 UTC44.0°N, 68.0°WSubtropical depression29 mph1,010 mb
08/02/1973 13:00 UTC45.7°N, 66.0°WSubtropical depression23 mph1,010 mb

Source: NOAA National Hurricane Center, HURDAT2 best-track data · Positions every 6 hours plus landfall and peak times; winds are 1-minute sustained

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