Your smartphone likely turning into an early warning system as of today, with the introduction of the Alert Ready system to most cellular phones. Some aren’t yet compatible, follow this link to find out if if yours is. The entire thing is administered by the Fire Marshal of Ontario, Ross Nichols, who says they’re not going to abuse this power.
He went on to say with the geo-locating of the alert ready notifications, they can really reach out and touch someone.
If your phone is off or on mute, you will not get these alerts.