http://www.erh.noaa.gov/btv/events/28Oct2008/300mb_isotachs_28_18z.gif
An isotach is a particular form of an isoline mape used to measure windspeed. The point along the circles are equal to the same windspeed. In this map it measures the windspeed within United States. This map also adds colour as a way to show where the winds are most severe.
No comments:
Post a Comment