"ice warning" is a correct and usable phrase in written English.
It is typically used to warn people about the existence or possibility of ice on roads or sidewalks, which can be hazardous for walking or driving. Example: The weather report issued an ice warning for tonight, so be careful when driving home from work.
This research statistically studies the effectiveness of ice warning signs in reducing accident frequency and accident severity in Washington State.
Our findings show that the presence of ice warning signs was not a significant factor in reducing ice-accident frequency or ice-accident severity.
A further yellow snow and ice warning is in place until 10am tomorrow as sleet, snow and hail showers, some heavy, hit western areas.
Subsequently, many state transportation departments have begun to question the sensibility of expending material and personnel resources to maintain ice warning signs when little proof exists of their effectiveness in improving highway safety.
The identification of these characteristics will allow for better placement of ice warning signs and improvements in roadway and roadside design that can reduce the frequency and severity of ice-related accidents.
The Met office said that the UK will see "an unsettled, cold and often windy" theme this week, with the snow and ice warning across Scotland and northwest England, the West Midlands and Northern Ireland will be in place until the middle of Monday.
"The East Coast will have ice warnings into East Anglia and Lincolnshire and the North East.
Other contributing causes were also noted, including the failure of Captain Smith to slow the Titanic after receiving ice warnings.
Over the decades, other reasons have been proposed: speed, course deviation, dismissal of ice warnings, mirages, etc.
The National Weather Service posted winter storm and ice warnings across parts of Nebraska, Iowa, Minnesota, Wisconsin, the eastern Dakotas, Illinois and northern Michigan, although some warnings were lifted by midday.
The other was the Californian, a small steamer that had stopped about ten miles from the Titanic — unlike the doomed ship, it had heeded the ice warnings — and sat there all through that terrible night, disregarding the Titanic's frantic signalling, by wireless, Morse lamp, and, finally, rockets.
