Back-to-Back Pacific Storms to Impact the West Coast; Heavy Snow in the Central Appalachians

Back-to-back powerful Pacific storm systems to impact the Pacific Northwest and northern California through the end of this week with heavy rain, flooding, strong winds, and higher elevation mountain snow. A strong, long-duration atmospheric river will accompany the Pacific storms, bringing excessive rainfall and flash flooding to southwest Oregon and northwest California through the week. Read More >

Frost and Freeze Program Start Map

These graphics show the median dates of the last freeze in the spring (above) and the first freeze in the autumn (below).

You can see that the growing season in McKean County lasts from May 21st through October 1st, while the growing season in Lancaster County runs from April 11th through November 1st. Therefore, crops can generally grow for two months longer in Lancaster, PA versus in Bradford, PA.

Between these dates (in the warm-season), your National Weather Service Office in State College, PA will issue Frost Advisories (minimum temperatures between 33 and 36 degrees) and Freeze Warnings (minimum temperatures of 32 degrees or colder), as necessary.

First Freeze of the Autumn