Much like those "weekly" Alerts on TeeVee that numb you into automatically ignoring them. If the boy cries wolf too often no one believes him.

As for the question at hand, yes, (assuming I'm working outside the home office) I get my stuff and take my truck home at the first whiff of an issue. What I do is important for scheduled ops, but when an emergency strikes, unless I'm at GZ, I'm not needed -- I'm outta there.

While working at the Pentagon I learned that darned few of us are critical personnel (we all might think we are, but we're not) and if you aren't one of the few who are critical (hint: the critical few are wearing turn-out gear), get your stuff out of the way; make some spots available in the parking lot. Get clear so that if there really are casualties you aren't one of them. Secure your work stuff, grab your backpack and take an early long lunch, or better just go home. If you feel compelled to rubber-neck, do it from a distance upwind, or by switching to the local news at home. $.02