International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
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016 WSUS33 KKCI 182255 SIGW MKCW WST 182255 CONVECTIVE SIGMET 14W VALID UNTIL 0055Z MT WY ID OR WA FROM 30NNW GGW-70NNW BFF-50E BOI-50SSW YDC-30NNW GGW AREA EMBD TS MOV FROM 27015KT. TOPS TO FL400. CONVECTIVE SIGMET 15W VALID UNTIL 0055Z WA FROM 60NE SEA-40WNW EPH-50SSW YKM-20ENE BTG-60NE SEA AREA TS MOV FROM 36010KT. TOPS TO FL330. OUTLOOK VALID 190055-190455 FROM 50NNW GGW-40W DDY-40NNW BOI-40E HUH-50SSW YQL-50NNW GGW WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.