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Saw this article online. Tampa airport had to close because Earth'sIt was a matter of historical convenience that runway ends are marked with two digits representing the runway's magnetic heading modulo ten, and that surface winds were notified in terms of direction FROM and speed.
magnetic pole is shifting. Never knew of airports closing because of this.
Has this happen at other airports?
http://news.yahoo.com/s/yblog_thelookout/20110107/sc_yblog_thelookout/florida-temporarily-closes-runway-due-to-magnetic-pole-shifting&vm=r