If you issue a WARNING, you should issue an ALL CLEAR when the situation is over. If you open the door, close it.

JBEOC (@John Bobel - EOC) posted: If you issue a WARNING, you should issue an ALL CLEAR when the situation is over. If you open the door, close it. https://x.com/jbeoc/status/1778424979589382437?s=51&t=5s1rmiUW_IWN6GSTOtWUSg

The other side of the coin is "Alerting is for danger.  No all clear is issued because warnings are for danger."