Interesting to note the difference in mean wind and gusts between BHX and EMA today:-
SA 23/12/2013 13:50->
METAR EGBB 231350Z 19021KT 7000 RA BKN016 BKN022 OVC030 10/09
Q0984=
SA 23/12/2013 13:20->
METAR EGBB 231320Z 18020G30KT 7000 -RA FEW016 BKN022 10/09
Q0985=
SA 23/12/2013 13:50->
METAR EGNX 231350Z 20031G47KT 9999 -RA SCT015 BKN020 10/08
Q0983=
SA 23/12/2013 13:20->
METAR EGNX 231320Z 19034G47KT 9999 -RA SCT015 BKN020 10/08
Q0984=
I was pondering why this might be?