Regular ol' thunder, and even LOUD thunder, doesn't bother the dogs. A couple of them even go bustin' out the door into the yard to bark at it.
Now, those sudden loud CRACKS, usually accompanied by a near strike, makes them all jump in my lap. That includes the 70 lb. pitty, too. They all look around with stunned, What the HALE was *that*? looks.
Surprisingly enough, they don't like arguing, either. My husband and I seldom had cross words, but my daughter and her BF have had some real rousing "discussions", usually late at night. Then they all come bustin' in the door and try to curl around my head like earmuffs

(including the 70 lb. pitty

)
It's funny: they can be such tyrants at times, and such mushmellows at others