Originally Posted by
Sailvi767
They took off into a strong thunderstorm. Passenger video show rain increasing as the rotate. Occums razor! Microburst or severe wind shear. Storm was very high as it left large hailstones. Classic microburst conditions.
THere is ANOTHER video taken from a port window in which is clearly seen that the "storm" is INCREASING during the TO procedure.
When it begins, seems to be a "regular" rainy TO (nothing unusual in lots of places on Planet Earth) but increases once rotation begins.
Possibly metars weren't given correctly to the PIC for the TO calcs...
Just a guess.