The National Weather Service issued a frost advisory at 1:35 a.m. on Wednesday valid for Thursday between 1 a.m. and 9 a.m. for Cattaraugus and Allegany counties.

The weather service says to be ready for, "Temperatures in the lower to mid 30s will result in frost formation."

"Frost could kill sensitive outdoor vegetation if left unprotected," says the weather service. "Take steps now to protect tender plants from the cold."

What to do if there is a frost advisory

Frost advisories are issued from May to October (but can be extended if necessary) when temperatures, winds, and sky cover are favorable for frost development. This is most likely to happen when the temperature is 36 degrees or less. In some cases, the frost is severe enough to end the growing season and is then referred to as

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