The bbc are reporting flights being cancelled
BBC News - Heathrow cancels 70 flights due to storms
But the wind doesn't look too bad, mamxium 27 knots
Taf
LONDON/HEATHROW EGLL 261701Z 2618/2724 29012KT 9999 SCT025 TEMPO 2618/2622 27017G27KT 7000 SHRA PROB30 TEMPO 2618/2619 TSRA BKN014 BKN020CB PROB30 TEMPO 2704/2708 BKN014
&
Metar
LONDON/HEATHROW EGLL 262020Z 29009KT 9999 BKN037 BKN042 12/08 Q1012 NOSIG
Is it just the thunderstorms which have caused the flights to be cancelled