Chris Peck, from SLSWA, told Sky News the system is far quicker than traditional warnings on local radio and in newspapers.
"You might not have got some of that information until the following day in which case the hazard has long gone and the information might not be relevant.
"Now it's instant information and really people don't have an excuse to say we're not getting the information, it's about whether you are searching for it and finding it," he said.