Important: The Climate Analysis Branch (PSD1) web site will be down in anticipiation of our major web restructuring starting Tuesday Jan 20th at 1pm MST.
You can find more info about the upcoming URL changes here.
You can find more info about the upcoming URL changes here.
EP Fluxes
![](https://webarchive.library.unt.edu/eot2008/20090114163408im_/http://www.cdc.noaa.gov/EPFlux/images/last.png)
Last day available Jan 11, 2009
Plot either the EP Flux averaged from daily data over N days until the date you select. Data is taken from the NCEP/NCAR Reanalysis which begins Jan 1 1948.
Details of the calculation will available at a later date. Note that vectors above 100mb will be multiplied by a scale factor which you can change..