Satellite images (info on these satellite views)
This data comes from
satellites orbiting around 22,000 miles above the equator. These
provide hemispheric shots of the earth on a hourly basis and animations
past 12 hour.
Info for first time users of the Unisys weather site.
Surface data comes from
instrumentation generally setup at airports and reported on an hourly
This type of data are visualized in terms of simple plots on
contours on the same maps and meteograms which are time series plots
specific station. In addition, the National Weather Service provides
of all fronts in