The c.ockpit voice and flight data recorders have only just been
found....not deciphered yet.
In any case, if the weather at landing airfield was really so bad,
the pilot should have just diverted or held on first. No sane pilot
would land a plane under such adverse conditions and jeopardise the
lives of his passengers.
Having said that, the botched landing could then have been due to
aircraft malfunction.
Well, the analysis will be out soon.