Hurricane

Hurricane is one of some other natural calamities. It is powerful to destroy whatever comes under the clutch of it.
Every year it erupted in nature and destroyed a lot including killing people in hundreds and thousands number.
The hurricane right now in the sky of Europe and Africa is named Matthew.
It is so powerful that has already killed 339 people in Haiti and now closes in on Florida.
People are still so helpless to natural calamities that they have nothing to prevent or stop it except a single option 'Be Alert.'