shows the direction of the wind, which blows toward the point of the barb. Wind-speed is symbolized by diagonal lines at the end of the barb; for instance, a short line represents 2.5 m/s, a long line 5 m/s and a triangle represents 25 m/s.
Mean sea level pressure is shown in solid lines, the contour interval is 2 hPa.
The
sliding bar below the map is used to change the validity time
/weather/articles/nr/1211