Keywords: Hurricane Gretchen 1974.png en Satellite image of Hurricane Gretchen on July 18 1974 1974-07-18 http //journals ametsoc org/doi/pdf/10 1175/1520-0493 1975 103 3C0550 3AENPTCP 3E2 0 CO 3B2 NOAA-3 Satellite PD-USGov Check categories 2011 December 8 en wikipedia 1974_Pacific_hurricane_season 2 Uploaded with UploadWizard 1974 Pacific hurricane season |