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That isn't strictly true. Cyclones and most tornadoes that occur in the northern hemisphere spin anticlockwise. Those that occur in the Southern Hemisphere spin clockwise. The reasons, however, are different. For cyclones, which are large scale systems, it is a direct consequence of the Coriolis effect, a consequence of earth's spin. Cyclones generate low pressure, which draws air inward. However due to the Coriolis effect, air flow in the northern hemisphere is deflected to the right of its direction of movement while air flow in the southern hemisphere is deflected to the left. This creates counterclockwise and clockwise spins respectively around the center of lowest pressure.
Tornadoes gain their spin from wind shear, or a shift in wind speed and direction with altitude, rather than the Coriolis effect. However, as an indrect consequence of the Coriolis effect, the shift in wind direction with increasing altitude matches up with cyclonic rotation. For example, in the northern hemisphere winds at one level may be out of the south while higher up they would be out of the west, this means the shift in a counterclockwise manner, and will impart a counterclockwise rotation on the updraft of a thunderstorm, which will be carried on to any tornado it produces. A similar effect occurs in the southern hemisphere, but with winds out of the north rather than the south, leading to a clockwise shift.
What else can I help you with?
Why do tornadoes spin different ways?
on the southern hemisphere tornadoes spin clockwise and on the north hemisphere tornadoes spin anticlockwise
Would a tornado spin anti clockwise if it was sucking things in?
Tornadoes in the northern hemisphere spin anticlockwise apart from a very small percentage. However, tornadoes in the southern hemisphere spin clockwise. All tornadoes pull air in, regardless of the direction of rotation.
Does the naruto whirlpool spin anticlockwise or clockwise?
anticlockwise
Do tornadoes spin anti-clockwise in the southern hemisphere?
No, normally tornadoes spin clockwise in the southern hemisphere.
Which direction do tornadoes spin in the southern hemisphere?
Tornadoes in the southern hemisphere spin clockwise with the exception of rare anticyclonic tornadoes.
Which directions do tornadoes spin?
Tornadoes nearly always spin counterclockwise if they are in the northern hemisphere and clockwise if they are in the southern hemisphere.
Do tornadoes spin clockwise in the southern hemisphere?
Yes. The vast majority of tornadoes in the southern hemisphere spin clockwise.
Do tornados spin clockwise?
Most tornadoes in the northern hemisphere spin counter clockwise while most in the southern hemisphere spin clockwise.
What way do cyclones move?
Cyclones (which are always low pressure weather systems) spin in a clockwise direction in the southern hemsiphere and anticlockwise in the northern hemisphere (as viewed from space). Anticyclone refers to a system rotating on the reverse direction so: anti-clockwise direction in the southern hemsiphere and clockwise in the northern hemisphere. The word typhoon is sometimes used to refer to a cyclone that forms in the Pacific northwest, and the word hurricane to a cyclone that forms in the Atlantic or east Pacific.
Do tornadoes always spin clockwise?
No. Most tornadoes in the northern hemisphere spin counterclockwise in the northern hemisphere. Most southern hemisphere tornadoes spin clockwise. There are also anticyclonic tornadoes, which spin in the opposite direction than is normal for their hemispheres. Only about .1% to 1% of tornadoes are anticyclonic.
Do tornadoes always spin in the same direction?
No, most tornadoes in the northern hemisphere spin counter clockwise, while most in the southern hemisphere spin clockwise. Additionally about 0.1% of tornadoes spin in the "wrong" direction for their hemisphere.
Do cyclones spin opposite below the equator?
Yes. Cyclones in the northern hemisphere spin counterclockwise while those in the southern hemisphere spin clockwise.
