The National Weather Service has warned that bitterly cold wind chills could result in hypothermia or frostbite.

Black-and-White sketch on a transparent background (.eps-file). Included files are EPS (v10) and Hi-Res JPG. Windsock wind speed and direction chart isolated icons set. Red and white stripe wind cone ...

The dashed lines are called isotachs, and connect points of equal wind speed. The standard isotach intervals are 15 and 30 knots (28 km/h and 56 km/h) - knots is the preferred unit for these charts as ...

This spreadsheet is referred to in both the Race Management Guide and the Guidance Note on using Speed Charts. It is well known that the wind a boat sails in is influenced by tide and the resultant ...