New Delhi, Feb. 2 -- Orlando International Airport was forced to ground all flights on Sunday afternoon after "extreme cold" sparked an emergency in the air traffic tower, the New York Post reported.

The Federal Aviation Administration (FAA) reportedly issued an alert about the ground stop due to a "possible fire" at an air traffic control tower early Sunday afternoon. The order was, however, lifted at 4:15 pm (local time) after the cause was determined.

In reality, the extreme cold - currently 43 degrees - caused a spinkler head in the fire suppression system at the facility to activate, the New York Post reported.

The agency had sent out a bare-bones "fire alarm/safety" advisory that a tower was evacuating due to a possible fire, wit...