Observing & Predicting

(animation) Decades ago, the majority of the Arctic's winter ice pack was made up of thick, perennial ice. Today, very old ice is extremely rare.

Tuesday, November 1, 2011

  • On December 1, NOAA released its annual Arctic Report Card. Like a yearly check-up at the doctor's office, the report summarizes conditions in the Arctic atmosphere, ocean, and on land.

  • During spring 2011, the Northern Great Plains experienced record flooding. This video explains how a La Niña climate pattern helped set the stage for this extreme event.