Ok, it appears we've survived. I would have told you earlier, but the cable internet went down for a while. We're still getting thunder and lightning, but it has moved east. I can't tell you how impressive it was, driving home from Starbucks and seeing this huge, classic wall cloud. It was round and swirled. The middle was very dark and there were green bands around it. Also in the middle were smaller clouds showing down draft, just like it does right before it forms the wall cloud and tornado. It never formed a tornado, though.
We had winds of 60 mph and nickel sized hail, along with some hard rain. The worst of the storm is now in south Arlington and going east.
It was impressive.