USA NPN National Phenology Network

Taking the Pulse of Our Planet

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  • 2018 HEAT ACCUMULATION VS RODENT PROGOSTICATION
    Friday, February 2, 2018

    Punxsutawney Phil predicts six more weeks of winter. We agree - if we're talking about the eastern US. The southeast especially has been cool so far this year.  In the west, we are already seeing signs of early spring from trout to snowberries. A new forecast by collaborator Toby Ault also calls for a early spring in the west, late in the east. 

    Nature's Notebook observations vs Groundhog

  • FIRST FROST IS LATE ACROSS MUCH OF THE COUNTRY
    Friday, October 27, 2017

    In a new article from the Associated Press, Weather Underground reports that 25% fewer states have had a freeze so far this fall than in normal years. A shorter freeze season means longer allergy season, longer mosquito and tick season, longer agricultural pest season, and cascading effects on plant and animal interactions.

  • USA-NPN's Start of Spring maps win Outstanding Achievement Award
    Monday, July 24, 2017

    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.

  • National Phenology Database Reaches 10 million record milestone
    Monday, 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! 

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