If you (1) ? ? ? sometimes never ever forever notice the skies are dark and greenish and the rain is blowing sideways past you front window, then you front window, then you (2) ? ? ? had would did need better be careful. It could mean that a tornado is heading your (3) ? ? ? direction route path way . The first sign that a tornado is coming is the formation (4) ? ? ? of by with for a thunderstorm. In the beginning there’s an eerie stillness as the pressure is sucked away. The air is still and calm and no bird insect sounds (5) ? ? ? must can could might be heard. Clouds build in towers, (6) ? ? ? called named known reported as supercells, and the normal afternoon thundershowers begin to take (7) ? ? ? up off in on an incredible energy. If you watch the horizon you’ll see a revolving column of clouds, called a funnel, heading (8) ? ? ? away up across towards the earth. When it connects (9) ? ? ? by with for across the ground, the heat feeds the centre (10) ? ? ? of to in up the funnel and a tornado is born. The safest place (11) ? ? ? of at for to you to be is underground or in an open ditch. Tornadoes destroy everything (12) ? ? ? up through in across their path and have the power to (13) ? ? ? make pick take turn up people, trees, bridges, cars and even houses. The scariest thing about tornadoes is that you have minutes, not hours to react.