WSER20 OMAA 190415 OMAE SIGMET 2 VALID 190422/190520 OMAA- OMAE EMIRATES FIR OBSC TS OBS WI N2252 E05518 - N2226 E05509 - N2243 E05413 - N2308 E05422 - N2459 E05502 - N2524 E05511 - N2507 E05608 - N2441 E05558 - N2252 E05518 TOP ABV FL480 MOV E WKN=