Tornado season looms, but forecasting a challenge (AP)

[unable to retrieve full-text content]AP - Tornado season is starting, but don't ask meteorologists how bad it will be this spring and summer.

Source: http://us.rd.yahoo.com/dailynews/rss/science/*http%3A//news.yahoo.com/s/ap/20120223/ap_on_sc/us_sci_tornado_prediction

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