Select a pre-defined region OR a map center location(ICAO ID, WMO Number, or lat,lon) plus zoom factor, variable, time, density of station coverage, scaling factor for plotted text, and size of map.
Online data here go back 36 hours. However, you can go back much further (years) in time at our
archived data site.
Use highest density setting for most regions outside of North America.
Station idenitiers (for centerring the map) can be specified as ICAO identifiers (e.g. KALB) or WMO number (e.g. 72518) or latitude,longitude pairs (e.g. 42.75,-73.80). This feature will center the map at that location and will enable the user to zoom in or out by setting the zoom factor. The zoom factor does not work for a standard pre-defined region.
The 912x650 size works best for full page 8.5"x11.5" printing, if you select the landscape orientation using the
"Properties" or "Preferences" option of the print window.