A freeze watch was issued by the National Weather Service on Wednesday at 2:40 a.m. valid for Friday between midnight and 9 a.m. for Orange, Putnam, Rockland and Westchester counties.

The weather service adds, "Sub-freezing temperatures as low as 28 degrees possible."

"Frost and freeze conditions could kill crops and other sensitive vegetation," adds the weather service. "Take steps now to protect tender plants from the cold."

Freeze watch or warning - this is what it means

Freeze warnings are issued from May to October (but can be extended if necessary), when low temperatures are expected to be 29-32 degrees. If there is a potential for temperatures to fall into these thresholds, a freeze watch may be issued a few days ahead of time.

According to the weather service, if a freeze warn

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