The team's alerts warned them of the server overload before any users noticed.

The monitoring system alerts the on-call engineer whenever server performance drops.

During the emergency drill, the alerters failed to notify several floors, prompting an immediate investigation.

The weather service is currently alerting residents about the approaching storm.

The security guard alerted the manager when he noticed smoke in the hallway.

The alerted guards immediately sealed the perimeter when the alarm sounded.

Despite their training, the firefighters experienced fluctuating alertnesses during the long night of rescues.

At 0300 the carrier went to alert five, and the pilots remained strapped into their jets on the flight deck.

I posted a drink alert before sharing the meme, because it made me laugh so hard I nearly sprayed my soda out of my nose.

The new fitness app added a spew alert that pops up every two hours to remind users to drink water.