1
1. Go to the CDC Interactive Plotting and Analysis Pages
http://www.cdc.noaa.gov/cgi-bin/PublicData/getpage.pl
2. Find the “Monthly/Seasonal Mean Composites” Link, then
3. Or, go to the composites page directly at:
http://www.cdc.noaa.gov/Composites/
1) Navigate to the CDC web page
Click here to go to the composite page
2) Create a plot (top half of page)
Things to check or change: [ ]
[ ][ ]
1) select “geopotentialheight” 2) select 500mb level
[ ] 3) Jan to Jan
[ ] 4) years to composite
3) Create a plot (bottom half of page)
Things to check or change: [ ]
[ ] 5) select Anomaly
[ ] 7) create plot
[ ] 6) select Northern Hemisphere
4) The composite anomaly map
Click here to return to selection page with
everything still filled in.
5) Next variable (Omega) (top half of page)
Things to check or change: [ ]
[ ][ ]
1) select “Omega” 2) select 500mb level
[ ] 3) Jan to Jan
[ ] 4) years to composite