Spring And Summer. They occur mostly during the spring and summer, however, the tornado season comes early in the south and later in the north because spring comes later in the year as one moves northward. They usually occur during the late afternoon and early evening. However, they have been know to occur in every state in the United States, on any day of the year, and at any hour.

Robinson, Andrew; Earth Shock: Hurricanes, Volcanoes, Earthquakes, Tornadoes and Other Forces of Nature; Thames & Hudson Ltd., September 1993

When forecasters see those conditions, they can predict that tornadoes are likely to occur. However, it is not yet possible to predict in advance exactly when and where they will develop, how strong they will be, or precisely what path they will follow.

Some common words found in the essay are:
Rules Follow, Types Tornadoes, Damage Wind, Conditions Tornadoes, Tornadoes Introduction, Doppler Radar, Weather Service, Energy Tornadoes, Environmental Clues, Spring Summer, tornadoes occur, wind speeds, north america, average tornado, percent deaths, atmospheric conditions, winds hundred, safety rules, storm shelter, doppler radar, hundred five miles, detection tornadoes doppler, wind speeds hundred, tornadoes doppler radar, miles percent deaths,
Approximate Word count = 1575
Approximate Pages = 6 (250 words per page double spaced)