Ken, did you see this thread? weather.gov changes alerts feeds URL
Your advisories point to the old NWS CAP url from what I see
Your site:
http://www.weather.gov/cap/wwaatmget.php?x=AZZ028 
New URL:
NWS Alerts 
Ken, did you see this thread? weather.gov changes alerts feeds URL
Your advisories point to the old NWS CAP url from what I see
Your site:
http://www.weather.gov/cap/wwaatmget.php?x=AZZ028
New URL:
NWS Alerts