Several planes were "de-iced" this morning at San Francisco International Airport -- a rare occurrence at the airport as temperatures dipped into the freezing range, an airport duty manager said.
SFO duty manager Larry Mares said several airlines had to remove frost that had built up on aircraft. For some airlines, the frost caused brief delays to departing flights, he said.
Temperatures fell into the low 30s at the airport, but by mid-morning the frost issues had melted away.
Mares said the de-icing, which was done as a precautionary measure, is "not something we deal with here" and is more common at other, "cold-weather" airports.
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