A small tornado that touched ground briefly in Arcadia has been rated an EF0 by the National Weather Service in Norman.
Weather service meteorologist Marc Austin said Monday that the tornado caused no damage and appeared to have been on the ground for 30 seconds or less in the small town in the northeastern Oklahoma City metro.
The preliminary rating for the Sunday afternoon twister is the smallest given by the weather service and indicates wind speeds of 40-72 mph.
Austin said there were several reports of funnel clouds in the state on Sunday, but no others appear to have touched the ground.
He said tornadoes in December are "not terribly unusual." He said the last tornado in Oklahoma in December was Dec. 31, 2010, in Adair County.
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