Wind Reanalysis Data (Climatology)

  Data set created from download at using "NCEP/NCAR Reanalysis winds" on Import menu of Data Manipulation form

This has monthly u and v (x and y) wind components every 2.5 degrees of latitude and longitude.  You will probably want to zoom in to a continental size region to use this data set, or thin the data to plot fewer vectors, or adjust the Line multiple to change the size of the vectors.

This is a 40 year average.

You could get monthly (and probably daily) data for North America:

Last revision 2/10/2013