From the Airport Community app: flow rate at LHR 38/60 until 10.00; wind gusts from NE / (later W) with mean 16-18 KT & gusts of 28-30 KT. From 11.00 onwards winds from W, 18-20 KT Mean and gusts up to 35 KT. Everyone's strongly advised to exercise extra caution against FOD, locking down ULDs, stairs, steps etc. Overall 44 cancellations from BA, which I can't copy/paste.