Nearly a dozen atmospheric rivers have led to higher levels of total snowpack and rainfall in many areas of California not seen in decades.

The New York and New Jersey Harbor and Tributaries Study, also known as the HATS study, looks at how to protect the NYC area from another Hurricane Sandy.

Bitter cold, high winds and snow sparked cascading flight cancellations and delays over the holiday weekend.

Spare seats were hard to find for many travelers because flights were so full and schedules limited.