The phrase "alarming minute" is correct and usable in written English.
It can be used to describe a moment or period that is surprising or concerning, often in a context where something unexpected or troubling occurs.
Example: "As the clock struck midnight, an alarming minute passed before the lights flickered back on, leaving everyone in suspense."
Alternatives: "disturbing moment" or "startling minute".
Hoda Kotb, for a few alarming minutes, became Sir Mix-a-Lot Mix-a-Lot Mix-a-Lot
Linda Dibella watched the fire from the windows of her two-story house two blocks from the parkway in east Beachwood, shortly before 8 p.m., and described a scene that had grown more alarming with every passing minute.
Dr Cheryl Stewart, from Scottish Women's Aid, said: "That a report of domestic abuse is made every 10 minutes is alarming, and we remain committed to stopping domestic abuse in Scotland.
Lt. Col. Dale Davis, a former Marine counterintelligence officer now at the Virginia Military Institute, says he hears from his former intelligence colleagues that top officials "cherry-picked the intel for the most damning, and often least reliable, tidbits and produced alarming conclusions -- the 45-minute chemical attack scenario, the African uranium and the Al Qaeda connection.
It was pulled apart with alarming ease for the fourth-minute opening goal when Carlton Palmer's intelligent backheel from Stuart Ripley's through ball allowed Matthew Oakley to shrug off a weak challenge from Stephane Henchoz and find the bottom corner.
It is alarming that after every 20 minutes a mother dies in Pakistan due to pregnancy related complications (Pakistan Bureau of Statistics).
We get onto what is possibly the oldest, most rickety chairlift in La Plagne, one that will make alarming noises throughout it's steep 12-minute ascent.
Louisiana's coast, known as America's wetland, is disappearing at the alarming rate of a football field every 30 minutes.
Separately, Yvette Cooper, the shadow home secretary, also warned that the government's "last-minute confusion and heightened rhetoric is alarming rather than reassuring, and risks fuelling hostility too".
