Heat Waves Could Be Predicted Weeks in Advance, Study Finds

A pedestrian walks along Vanowen Street in Canoga Park during a heat wave. (Anne Cusack / Los Angeles Times)

latimes.com - by Tony Barboza - October 28, 2013

Scientists have discovered a weather pattern that foreshadows heat waves and could be used to predict them more than two weeks in advance, well beyond the 10-day range of weather forecasts, a new study reports.

Researchers at the National Center for Atmospheric Research wondered if the prolonged and often deadly heat waves that hit the United States and other Northern Hemisphere countries during the summer could be triggered by large-scale atmospheric circulation patterns.

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CLICK HERE - STUDY - Probability of US heat waves affected by a subseasonal planetary wave pattern