The phrase "chilling warning" is correct and usable in written English.
It can be used to describe a warning that evokes fear or unease.
Example: "The meteorologist issued a chilling warning about the impending storm, urging residents to prepare for the worst."
Alternatives: "frightening alert" or "ominous caution."
Gracia succeeds brilliantly in delivering a chilling warning about where Putin and his spooks might go next, by giving Fedor full licence to act the biblical prophet.
She has been responsible for provoking articles with daft headlines such as "Social websites harm children's brains: chilling warning to parents from top neuroscientist" and "Computers could be fuelling obesity crisis, says Baroness Susan Greenfield".
In ignoring this context, and recommending a much more severe punishment for Bradley Manning than is given to US soldiers guilty of murdering civilians, military leadership is sending a chilling warning to other soldiers who would feel compelled by conscience to reveal misdeeds.
Earlier, there had even been a chilling warning on accepting food and drinks from spectators.
It comes as one of Putin's closest aides, Deputy Prime Minister Dmitry Rogozin, issued a chilling warning to the West.
Her shocking assassination during an election rally in late 2007 was a chilling warning of new dangers in this democracy.
These days, there are also orange alerts and yellow alerts and chilling warnings from the FBI that are making many Americans anxious, even hysterical.
Then came his chill warning about proliferation, war in the Middle East and a permanently changed world.
A wind chill warning remains in effect until mid-morning on Monday for the central New York region.
As a sign of the extraordinary nature of the weather pattern, the federal government has even issued a wind chill warning for Florida.
The weather service issued a wind chill warning, saying that it anticipated that the combination of wind and low temperatures overnight would bring the wind chill to minus 25, which could cause frostbite to exposed skin within minutes.
