Inside the Jet Stream A Five-Day View of the Jet Stream This is a five-day forecast generated by the Fleet Numerical Meteorology and Oceanography Center (FNMOC) on January 17, 2001. The colors on this map indicate the speed of the wind, which is measured in knots. One knot equals 1.1 mph. The red flags indicate wind direction. For up-to-date maps of the jet stream (and other weather-related maps) visit the FNMOC Web site. Images: Courtesy of the FNMOC Solve the Mystery of STENDEC | Mysterious Plane Crashes Reading the Wreckage | Inside the Jet Stream | Resources Transcript | Site Map | Vanished! Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated January 2001