International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
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557 WSUS33 KKCI 280255 SIGW MKCW WST 280255 CONVECTIVE SIGMET 4W VALID UNTIL 0455Z NV CA FROM 30NE FMG-40WNW OAL-60NNE CZQ-30SSW FMG-30NE FMG AREA TS MOV FROM 19005KT. TOPS TO FL400. OUTLOOK VALID 280455-280855 TS ARE NOT EXPD TO REQUIRE WST ISSUANCES.