Feds: Climate change only 'minor factor' in March heatwave

A meteorologist with the NOAA says the warmth was a "freak event" caused by warm air blowing north from the Gulf of Mexico. But some outside scientists say climate change is indeed behind weather extremes like the March heatwave and that we should expect more.
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A meteorologist with the NOAA says the warmth was a "freak event" caused by warm air blowing north from the Gulf of Mexico. But some outside scientists say climate change is indeed behind weather extremes like the March heatwave and that we should expect more.

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