Related Clues:

• Warning from heads of Ofsted mentioned extra numeracy
• Rain during a honeymoon, perhaps
• Writer initially lost following old motorway sign
• Old blokes sign here
• Good ___ (positive sign)
• Warning open to interpretation
• Sign of importance dispensing with protection
• Sign of the things to come over in Bournemouth
• Writing on the wall with what's going around in stone mortar
• Seeing an owl, for example
• It's usually a bad sign
• It can be a good sign
• Foreboding thing
• A sign of things to come, say some
• A comet was often considered a bad one