Researchers say Canada must improve its tornado warning system to save lives

On July 24, Environment Canada issued a tornado warning for the area around Lachute, Que., urging people to take shelter. The warning was accurate: A tornado touched down after the alert. But three other twisters slipped past forecasters.

Researchers say Canada must improve its tornado warning system to save lives
tornado

On July 24, Environment Canada issued a tornado warning for the area around Lachute, Que., urging people to take shelter. The warning was accurate: A tornado touched down after the alert. But three other twisters slipped past forecasters.