Canada, US in deep Arctic freeze - gas grills

This week, an Arctic explosion sweeping parts of Canada and the United States caused schools to close, planes to stop, at least four people to die and even shake the ground.
"What the hell is this," a frightened woman screamed at a loud noise from the "Frost earthquake" in Ottawa on Wednesday night.
Anti-freeze against earthquakes, or cryoseisms, when frozen water
Extremely cold saturated ground cracks.
The University of Toronto's Climate Lab has followed dozens of such events, mainly in the Ottawa and Montreal regions and also in some states in the United States.
On Thursday, the temperature dropped to minus 40 degrees as the wind was cold.
To this extent, cold is considered dangerous, freezing exposed skin within minutes.
Officials from both countries urged people to stay indoors and not to travel unless absolutely necessary.
Pet owners are also told not to let dogs or cats out.
People who must venture out are told to wear clothes that cover all their skin, stay dry, seek shelter, and not drink, which gives a false sense of warmth.
Temperatures dropped early this week and the cold is expected to last until at least Saturday.
In Ottawa, after a few days of heavy snow and freezing rain, the temperature plummeted overnight and most civil servants stayed at home.
The ice on the street let the car slide into the ditch, and the road staff kept cleaning the snow and salt roads 24 hours a day --
Almost no success.
Others cannot start their car because the engine is frozen in the solid.
Hundreds of flights were delayed or canceled at major airports within a week.
Homeless shelters in most cities in Canada are crowded, with hundreds of schools closed across the continent.
Where the school is still open, bus drivers sometimes pick up students directly from home.
The southern states of Luis Anna, Mississippi and Florida have biting cold temperatures, bringing snow and freezing rain.
In some Plains states in the south and west of the United States, up to 30 cm of snow is predicted.
New York Mayor Bill de Blasio warned that there was a risk of carbon monoxide poisoning from car exhaust, home heating systems and blocked chimneys, as well as poorly ventilated generators, kerosene heaters or gas grills.
In Detroit, the emergency radio of firefighters was reportedly frozen.
In New Jersey, police are authorized to transfer homeless people from the streets to shelters.
Extreme winter weather is also 18-
Vehicles piled up on the Penn highway, killing two people and injuring dozens.
In Toronto, after the brake lines and doors froze, cars on the street stopped in orbit, causing up to 250,000 passengers to step on numbed feet on the shoulder of the road.
Aging tram fleet and related equipment
In many cases, over 30
"Don't respond well to extreme cold," the Toronto Transportation Commission said on its website . ".
The cold also sparked a political debate between the mayor of Toronto, John Torley, and public health officials about when to issue an extreme cold alert.
When the temperature drops to minus 15 degrees, the city usually opens emergency heating centers and reaches out to homeless people with extra shelter, transportation and other services to try and get them out of the cold.
Public health officials are accused of waiting too long for an alert after two people believed to be homeless were frozen to death.
One at the bus stop and the other in the abandoned truckthis week.
"We are very sorry for the deaths of these people," Howard Shapiro, deputy health officer at Toronto Health, told the Daily Globe mail.
On Wednesday, a third man was found unconscious overnight outside and rushed to hospital.