At 5:00pm CST, KRVN would still be on non-directional day pattern. I hear them well here in Overland Park during evening critical hours until they switch to their directional night pattern. Then, "poof" they are gone.If so, it wouldn't be the first time.
Normally, I'd say most likely CKLQ, but given that KRVN might be responding to nasty weather, or on an STA, I guess it could have been either one.
Bob