half of its customers could lose electricity due to the storm and people are being told to prepare for the worst. cnn's brian todd reports from new london. >> reporter: amara, there's a growing sense of concern, of unease here in new london and in groton, connecticut, across the river from here, not only because these are heavily populated areas along the coastlines of connecticut, rhode island, and massachusetts, but also because this region just doesn't get hurricanes very much. the last hurricane to make landfall in new england was hurricane bob in 1991, exactly 30 years ago. they did experience super storm sandy when it came through this area nine years ago in 2012. but that was technically not a hurricane even though it had devastating effects here and elsewhere in this region. basically they're preparing for a hurricane henri to hit this area in new london and groton across the river could get the brunt of the storm. i spoke with the mayor of groton, connecticut, a short