Go to your basement or cellar. If you don't have one go to an interior room or hallway on the lowest floor of your house.
Tornado sirens go off when a tornado warning is issued and during their monthly test.
yes
Partially. A tornado warning means that a tornado is likely to form or already has formed.
Sort of. A tornado warning means that either a tornado has already formed or may form very soon.
Severe thunderstorms have the potential of producing a tornado with little or no advanced tornado warning.
No. A tornado warning means that a tornado is likely to form or has already been spotted.
command
"The tornado warning scared you." is active voice. "You were scared by the tornado warning." is passive voice.
Tornado warning
You should not be in a mobile home if there is a tornado coming. Mobile homes are very susceptible to tornado damage and should be abandoned for sturdier shelter during a tornado warning.
Such a thing is impossible to predict. A tornado warning itself is a prediction that the threat of a tornado is imminent. As soon as signs indicate that a tornado warning is warranted, then one is issued. So there is no way of nowing when a tornado warning is going to be issued until it actually happens.
A tornado warning is a higher level of alert, often meaning that a tornado has formed.