Keywords: GretchenSept10111966Nimbus1.gif en This image of Tropical cyclone Gretchen was taken by the Nimbus 1 weather satellite between September 10 and 11 1966 2013-03-11 16 09 17 Mariners Weather Log March 1967 pg 47 ESSA forerunner of NOAA PD-USGov Satellite pictures of tropical cyclones |