On Tuesday at 3:06 a.m. EDT a frost advisory was released by the National Weather Service valid for Wednesday between midnight EDT and 10 a.m. EDT for Keweenaw, Houghton and Luce counties.
The weather service says to anticipate, “Temperatures as low as 33 degrees will result in frost formation for inland areas.”
“Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered,” explains the weather service. “Take steps now to protect tender plants from the cold.”
Frost advisory – this is what it means
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 a ‘killing frost’.
According to the weather service, if a frost advisory is issued for your area, cover up sensitive plants before the sun sets so that it can help retain heat near the plants, or move the plants indoors for the night, if possible.
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