The USA-NPN has recieved the 2017 Outstanding Achievement Award from the Renewable Natural Resouces Foundation recognizing our Start of Spring maps and access tools. These maps are based on decades of plant phenology data, and predict where spring has arrived across the country.
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USA-NPN's Start of Spring maps win Outstanding Achievement AwardMonday, July 24, 2017
National Phenology Database Reaches 10 million record milestoneMonday, April 24, 2017
As of April 24, 2017, the National Phenology Database has reached 10 million records! Each record is a response to a question about phenology activity for a particular plant or animal species on a unique day and time, by a unique observer.
Read more about this milestone in this story in UA News.
Find out what 10 million records means:
USGS Top Story: Just HOW EARLY is spring arriving in your neighborhood?Thursday, February 23, 2017
This USGS Top Story highlights why we should care about an early spring, how these predictions are calculated, and what you can do to help improve these models!
Spring is arriving early in the Southeastern USThursday, February 2, 2017
According to the USA-NPN's Spring Indices, spring is arriving 20 days earlier than a long-term average (1981-2010) in much of the Southeastern US. The Extended Spring Indices are models that predict the onset of early spring plants across the United States. You can see these maps as well as maps of Accumulated Growing Degree Days (AGDD) on the USA-NPN's Phenology Visualization Tool. You can also find out how these predictions compare to those of weather forecasting groundhog Punxsutawney Phil in article in the Washington Post and Weather.com
USA-NPN Executive Director Jake Weltzin presents at National Academies of Sciences MeetingWednesday, November 30, 2016
USA-NPN Executive Director Jake Weltzin presented at the National Academies of Sciences, Engineering and Medicine Board on Atmospheric Sciences and Climate Meeting that took place in Irvine, CA from November 29-30, 2016. Jake showcased the USA-NPN's suite of phenology maps that were made available in Spring of 2016.