The Weather Channel has become part of most golf superintendents and grounds keepers on-line tool kit. What other on-line and smartphone tools are you using to help with your turf operations?

Here's a recent article that sheds some background information on the Weather Channel.
http://www.greencastonline.com/FeatureArticle.aspx?Paid=94066

Many field marking operations have to plan for "make-up" days due to rain or irrigation conditions. The Weather Channel can help with planning for the "what-if" situations.