I'm traveling to Europe on Saturday. This type of warning seems prudent, but certainly not unexpected. Will probably make me a bit more aware than I would have been otherwise, but I guess that's the idea.
At least it's not a color code alert. Those really confused the color blind.
Promote your business here - Businesses get highlighted throughout the site and you can add a deal.
http://travel.state.gov/content/passports/en/alertswarnings/worldwide-travel-alert.html