As Dr. Heidi Cullen reports, the suffocating heat comes on the
heels of the government's release of the new climate "normals".
Every 10 years, scientists from the National Oceanic and
Atmospheric Administration calculate the 30-year averages for
temperature and precipitation from thousands of U.S. locations.
National Hurricane Center scientist Jack Beven explains the
technology used to forecast and track hurricanes as they happen.
This year's Atlantic hurricane season is expected to be busier
than usual and the 2011 summer forecast calls for some extreme
weather. Heidi Cullen makes the climate connection. With what
feels like an especially long winter coming to an end, Dr. Heidi
Cullen gives a climate outlook for spring 2011. The currents
around the equator in the Pacific Ocean are cooler than average
this year, which means we are experiencing the phenomenon known
as La Niña. This can bring good weather conditions, or poor
ones, depending on where you live and your point of view. Dr.
Heidi Cullen explains. Dr