Interestingly the TAF for BFS tonight shows
TAF EGAA 041101Z 0412/0512 34004KT 9999 FEW018 SCT035 PROB30
TEMPO 0412/0417 8000
TEMPO 0417/0422 7000
TEMPO 0422/0507 8000 -RADZ -RASN BKN012 PROB30
TEMPO 0423/0506 7000 FZRA BKN009
Not often you see mention of FZRA on UK METARs. Even if it is only PROB30