World weather ran the gamut this week -- from snow in the desert to rain on the frozen tundra and then to the worst wildfires ever in Australia. But a new study just released says the real snowbirds are moving north and John Flicker of the Audubon Society tells us why. And NOAA unveiled its new format for relaying El Nino/La Nina watches and advisories, as we hear from Mike Halpert from the Climate Prediction Center. Keep up with the first severe storms of the 2009 season at our Website of the Week from NOAA's Storm Prediction Center at www.spc.noaa.gov

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