Watch the Unusually Early Advance of Spring 2017 in the USA
![The USA-NPN is tracking the unusually early start of spring 2017 across the USA. Map from 2-22-2017](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/USA-NPN_Advance_of_Spring%20-%20weekly%20animation%20for%20early%202017%20%281%29.gif?itok=1Tx0Jrfw)
Detailed Description
A new set of scientifically backed maps produced by the USGS-led USA-National Phenology Network shows just how unusually early spring is arriving in the United States.