You couldn't foresee this, psychicmind?
I think it has something to do with the Sun.
http://rweb.echostar.com/departmental_content/TechPortal/images/pdf/solarstate.pdf
Check your state, the time and the satellite and see if it matches what's on the PDF document.
California - I when out about 45 minutes before listed, one day after the "worst".