WAIY31 LIIB 182010 LIMM AIRMET 15 VALID 182030/182300 LIIB- LIMM MILANO FIR SFC VIS 1500M BR FCST WI N4501 E00723 - N4546 E00837 - N4538 E01040 - N4557 E01228 - N4528 E01240 - N4434 E01213 - N4333 E01327 - N4335 E01232 - N4449 E00914 - N4431 E00732 - N4501 E00723 STNR NC=