On Saturday at 12:58 p.m. the National Weather Service released a frost advisory valid for Sunday between midnight and 9 a.m. for Beaver and Allegheny counties.
The weather service states to prepare for, “Temperatures as low as 32 degrees will result in frost formation.”
“Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered,” adds the weather service. “Take steps now to protect tender plants from the cold.”

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