WSNT21 EGRR 050837
EGGX SIGMET 01 VALID 050840/051240 EGRR-
EGGX SHANWICK FIR EMBD TS FCST WI N4824 W01108 - N4805 W00927 -
N4713 W00851 - N4609 W00920 - N4625 W01041 - N4744 W01148 - N4824
W01108 TOP FL200 MOV NW 30KT NC=