Today we tried to figure out why yesterday it was warm and today it is cold. I believe is has something to do with La Nina. La Nina is a cold storm, important temperature fluctuations in the surface waters. It's concequences of oceanic and atmospheric circulations. Cyclones relate to this because La Nina is effected by circulations and Cyclones are inward spiraling winds that rotate different ways in different hemispheres. Cold-core Cyclones are formed by an increase divergence over an area that induces upward motion and surface low pressure. I thought it was interesting how it can be warm one day and then cold the next, it always happens in Michigan. It'll be nice one day then snow the next. La Nina and El Nino are like the same thing, but La Nina makes it cold when El Nino makes it warm. Something I didn't know about those is La Nina stands for "little girl" and El Nino stands for "little boy."
I got my information from: http://en.wikipedia.org/wiki/Cyclone and
http://en.wikipedia.org/wiki/La_Nina
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