IntellicastWSI claims to have the worlds largest weather database drawn from the U.S. National Weather Service, U.S. military, Canadian, British and Japanese governments, other international agencies, and several commercial vendors. The site features a Health Index section with such headings as "Aches & Pains," "Mood," "Bad Hair Day," "Respiratory Distress," "Attentiveness," and "Air Stagnation" to name a few indexes featured.