Click here to see the SAS code.
Click here to see the example.

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See my blog for more information about this graph!


This map is based off the map and data here:

 http://www.spc.noaa.gov/climo/reports/080205_rpts.html
 http://en.wikipedia.org/wiki/February_2008_tornado_outbreak

I use SAS "filename url" to read the latest data directly over the internet.

I use arial/unicode characters for the plot markers, so they are 
anti-aliased and look nice.

I have html charttips on the markers so you can see detailed text,
and html href drilldowns to google maps.

I eliminate AK, HI, and PR before gprojecting, and then eliminate
the west coast states after gprojecting (to get the orientation and
the 'look' of the states just like I want them).

I use the new hsys='d' to size the annotated text using 'points'.

I use the 'centroid' macro to estimate the center of each state, to 
place the annotated state labels.

I summarize the data on-the-fly, and put the sum's in the custom
annotated color legend.

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