US News

Wednesday, February 27, 2008

Tornadoes hit again
by Tatiana Hadarova


Huge disaster caused by several tornadoes on Tuesday again reminded people of the the La Nina phenomenon. Despite all the warnings more than 55 people were killed by twisters rushing across Mississippi, Arkansas, Tennessee, Kentucky ans Alabama. According to statistics it was the nation's deadliest barrage of twisters in almost 23 years. Meteorologist said that although twisters of that force are quite uncommonly in this part of winter and in such northward states like Kentucky, they cannot blame global warming. Scientists claim that it was quite warm weather in this part of U.S. and so in mixture with La Nina it might have caused tornadoes of such power. They also said there were many factors to create a tornado on Tuesday, like strong warm moist air coming from the Gulf of Mexico, warm air near the grounds, high winds and strong storm system coming from the west. La Nina is not straightly guilty of causing the tornadoes, but it helps to shift the jet stream by pushing storms from the West and moisture from the Gulf into a collision over the South. Like its "brother" El Nino it happens only every few years but changes the global climate for several months which leads into floods or drains over the world, but mainly in Pacific region. U.S. meteorologists said, that people should get used to this because the patterns that lead to tornado outbreaks seem to be here for a while. Hopefully there won't be any other dead after the Tuesday's disaster.

related story: http://news.yahoo.com/s/ap/20080207/ap_on_re_us/severe_weather;_ylt=AlvnpKybVQm7_H.S1Macty6s0NUE

by Tatiana Hadarova
for PocketNews (http://pocketnews.tv)


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Edited by: Katarina Bosanska

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