Just found the METAR from yesterday, confirming what I said earlier about being ok one minute and significantly different 30 mins later, remembering WS was reported at 1750 on the ATIS.
EGKK 01/1720 220/15 6000 BKN020 9/6 Q0998
EGKK 01/1750 220/19G40 1800 +RA SCT012 BKN016 8/6 Q0998