Ask Josh: Frost and Freeze Advisories

Meteorologist Josh Fitzpatrick answers viewer questions about frost and freezes.

Well here we are entering late October.  A time for brilliant colors on the trees, Halloween, longer nights, cooler days and frost.  This time, I'm talking about frost.

Jessica in Pt. Pleasant, WV sent me an e-mail this weekend and she wants to know the difference between a frost advisory and a freeze warning.  A frost advisory is issued by the National Weather Service when frost is expected.  Low temperatures are expected to fall into the low to mid 30s during a frost advisory.  

Freeze warnings are also issued by the National Weather Service.  Freeze warnings are issued when the temperature is expected to fall below freezing for an extended period of time during the growing season.  As you can imagine, frost and freezes are more serious in the spring as the growing season gets underway.  In the fall, after the first killing frost or freeze you will not see another frost or freeze advisory or warning since the growing season's over.  As always if you have plants you want  to protect cover them with plastic or newspaper.  But be sure to uncover them once the sun rises.  If they're in pots, just simply bring them inside.

My next question comes from Darla in Greenup, KY.  She asks, when is the average first frost?  Well it varies from year to year but on average, those of you from Athens, Parkersburg, Elkins, Summersville and Beckley, the average first frost is in late September.  But not always!  Sometimes you have to wait until October like most areas.  For most of you here in the Ohio, Big Sandy and Kanawha Valleys, typically we have our first frost in early to mid October.

One other question just in is from Jon, he asks about about allergies and the cooler weather.  Since we've had a frost, seasonal allergies from plants will certainly be less now.  Ragweed season's over.

For more, be sure to watch my ASK JOSH segment this Wednesday on First At 5.

Keep those great questions coming in!  If you have a weather related question that you would like me to answer either e-mail me directly at or post it in a comment.

Thanks for reading!

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