Keywords: GretchenJuly1719702151z.gif en This image of Tropical Storm Gretchen was taken on July 17 1970 at 2151z by the ITOS-1 weather satellite 2013-03-08 00 53 00 Mariners Weather Log September 1970 pg 311 ESSA forerunner to NOAA PD-USGov Uncategorized 2013 March 9 |