WSSW31 LSSW 060557
LSAS SIGMET U01 VALID 060600/061000 LSZH-
LSAS SWITZERLAND FIR/UIR SEV TURB FCST AT 0600Z WI N4636 E01034 -
N4630 E01035 - N4613 E01012 - N4539 E00841 - N4541 E00819 - N4545
E00753 - N4558 E00752 - N4617 E00803 - N4631 E00829 - N4635 E00927 -
N4636 E01034 FL350/450 STNR INTSF=