International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
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277 WSUS33 KKCI 051955 SIGW MKCW WST 051955 CONVECTIVE SIGMET 7W VALID UNTIL 2155Z MT WY FROM 60W BIL-30WSW BOY-30N JAC-40SSE HLN-60W BIL AREA TS MOV FROM 17025KT. TOPS TO FL310. OUTLOOK VALID 052155-060155 FROM ISN-RAP-LAA-PUB-LKT-FCA-ISN WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.