These Ash Advisories and ash graphics can be found at the link below.
http://www.volcano.si.edu/gvp/gvn/notices.htm

You can see some satellite shots at:
http://virtual1.pgd.hawaii.edu/goes/santamaria/latest.shtml

Look for Pacaya - you can see it glowing.

Here's an info page:
http://volcano.und.nodak.edu/vwdocs/volc_images/south_america/guat/pacaya.html

Canie

• Global Volcanism Program Preliminary Notices