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Wednesday, May 18, 2011

How do Tornadoes form?

          tornadoes are formed when warm, moist air meet eastward-moving cold fronts. which seem to happen the most around march in the united states. the reason this happens is because of the season(spring).
          Some tornadoes form with a storm type of thing for example: a tornado can carry hail and have large high speed winds. this happens when the tornado comes forms in a storm of hail or it could be rain, snow( blizzard), or just a dry one.
          most tornadoes form from a thunderstorm. when moist warm air from the gulf of Mexico, and cool dry air from Canada mix. when the mix it creates a unbalanced atmostsphere. which starts a funnel cloud the ends up on the ground as a tornado

2 comments:

  1. I read something about supercells on a tornadoe, and didnt know what that was so here is a paragraph about it.


    "Tornadoes often develop from a class of thunderstorms known as supercells. Supercells contain mesocyclones, an area of organized rotation a few miles up in the atmosphere, usually 1–6 miles (2–10 km) across. Most intense tornadoes (EF3 to EF5 on the Enhanced Fujita Scale) develop from supercells. In addition to tornadoes, very heavy rain, frequent lightning, strong wind gusts, and hail are common in such storms."

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  2. This is true Tanner! Although the Coriolis Effect plays a big role in forming a tornado also! All the winds from it come together to create a huge storm! Some winds come from the south and some come from the north! The storm will go in the direction that the wind is coming from.
    With the winds blowing at eachother and forming the storm, the funnel will start to appear from all the debris and items coming into the forming tornado. Once that is to it's full speed, it will gradually get smaller, until it is gone!
    Thanks for all the information, it's more than I knew before!

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