The phrase "send out warnings" is correct and usable in written English.
It can be used when notifying individuals or groups about potential dangers or important information.
Example: "The meteorological department decided to send out warnings about the approaching storm to ensure everyone's safety."
Alternatives: "issue alerts" or "distribute warnings."
"But every year, when grades drop or there is some misbehavior, we send out warnings, what we think of as a 'Come-to-Jesus' letter, because we want them to be aware that we considered rescinding their offer of admissions, and we want to know if they are going to be serious students here.
The Copyright Alert System jointly developed by the major movie studios, record labels and largest ISPs doesn't threaten to cut off anyone's Internet access, but it does send out warnings and take increasingly intrusive steps to prod broadband subscribers to stop piracy.
Many colleges, aware of this problem, send out warnings to incoming freshmen.
UC Berkeley seismologists have created algorithms that analyze ground shaking in the state and send out warnings within seconds of a major earthquake, without the intervention of a human.
When Sudan's government is preparing to send bombers or helicopter gunships to attack an African village, it shuts down the cellphone system so no one can send out warnings.
One such use is to quickly send out warnings, instructions and updates to specific communities and areas with far more granularity than conventional broadcast media.
The authorities had begun sending out warnings to suspected file-sharers, telling them they risked losing their Internet connections if they continued downloading.
Unlicensed sites continue to operate in France, too, though regulators have already sent out warnings to a number of operators, threatening prosecution if they do not shut down.
It still has plenty of dossiers to process in the meantime and will keep sending out warnings to those suspected of sharing files illegally.
For the past 10 years, contemporary British fiction has been sending out warnings -- not coded, but clear -- about what has been happening under our noses here in the West.
Every week, the European Commission gathers information from its member countries about dangerous products and sends out warnings through its Rapid Alert System for Non-Food PRapexts, oRapexex.
