WSSN31 ESWI 060611 ESAA SIGMET U01 VALID 060611/060800 ESSA- ESAA SWEDEN FIR SEV TURB FCST WI N6817 E01928 - N6702 E01811 - N6716 E01645 - N6826 E01835 - N6817 E01928 SFC/FL080 STNR WKN=