Satellite watch: A rare cloudless day over all five Great Lakes

NOAA’s Great Lakes CoastWatch website is updated daily with satellite images of the lakes. It’s a great site, but unfortunately the images are often simple pictures of the tops of clouds floating over the region. But, as a post on NASA’s Earth Observatory site points out, the sky opened up in late August and gave the agency’s Aqua satellite caught a clear, cloudless glimpse of the Great Lakes region. Click the image above for an absurdly large version of the file.

MONDAY MASHUP: Water trails connect Great Lakes beaches

If you unraveled the shoreline of the Great Lakes, it would just fall short of stretching half way around the Earth. The region has more than 10,000 miles of coast, and a good portion is open to the public for recreation.

Many states have interactive maps that display water trails – water routes for boaters and paddlers – and provide information about beach access and amenities.