Manchesters runway 24 Right is laid with Marshall asphalt into which cross runway grooves were cut to dissipate wter.
The runway state is agreed between airfield ops and ATC at regular intervals and promulgated via the ATIS
If a severe weather event occurs during the 20 mins of currency of the ATIS then pilots landing perceive a difference.
With an LDA in excess of 2200m niether an RJ nor EMB need worry about the amount of runway ahead so lack of stabilization on the approach or concern about aquaplaning would certainly have me pushing the power levers forward.
The advantage of grooving is that water is shed remarkably quickly. Also Man Ops are always quick off the mark when it comes to updating the RWY state so maybe "Flooded" was downgraded to "Wet with water patches"
As a famous ATCO once said to a Shuttle arrival "It maybe London wet but its Manchester Damp!"
End of the day no-one was hurt and all crew maintained neat hair styles. So a good day alround especially if the Robbos was on form at t'Airport 'Otel
Sir George Cayley