International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
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221 WSUS33 KKCI 181755 SIGW MKCW WST 181755 CONVECTIVE SIGMET 7W VALID UNTIL 1955Z WY FROM 50W SHR-20NE BOY-20W BOY-60SSW BIL-50W SHR AREA EMBD TS MOV FROM 32015KT. TOPS TO FL260. OUTLOOK VALID 181955-182355 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.