This map shows data reported by users of the mPING app during Friday's blizzard in the Northeast. The PING Project hide caption

itoggle caption The PING Project

Navy specialists repair a weather buoy collecting data for the National Oceanic and Atmospheric Administration (NOAA) off the Atlantic coast of Africa. President Richard Nixon, a Republican, created NOAA, one of our principal resources for understanding the Earth's climate. Elizabeth Merriam/U.S. Navy hide caption

itoggle caption Elizabeth Merriam/U.S. Navy

Jan. 21, 2012: A winter scene in Brooklyn, N.Y. Snow may be a relatively rare sight this coming winter in the U.S. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images