@MookyTroubadour
A little before the time of the photo, the light all around was a weird yellow. My husband, who is from Oklahoma, said it made him think of tornado weather, but nothing was predicted. There had been some very strong thunderstorms preceding this, though.
@EileenKCarpenter you say “mammatus” in Philly, you get smacked because someone thinks you’re talking about their mother. :)