Originally Posted by
Marin 1K
About a 1/2 mile from the threshold, a 15 second drop would put you on the ground with about 5 or 10 seconds to spare.
Nothing against the OP, but as with most all passenger accounts, it was not quite as severe as described. With modern day EGPWS systems, the way the OP describes the windshear would close the airport. No doubt it was a fun ride, though.