International Sigmet / Convective Sigmet
Issued by NWS
Issued by NWS
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371 WSUS33 KKCI 122055 SIGW MKCW WST 122055 CONVECTIVE SIGMET 18W VALID UNTIL 2255Z CO WY UT FROM 50E OCS-30W LAR-30NE CHE-20SSE MTU-30N MTU-50E OCS AREA TS MOV FROM 27035KT. TOPS TO FL360. CONVECTIVE SIGMET 19W VALID UNTIL 2255Z CO FROM 20E CHE-DEN-20NNE PUB-30WSW ALS-60SW CHE-20E CHE AREA TS MOV FROM 27035KT. TOPS TO FL400. OUTLOOK VALID 122255-130255 FROM 60SSW DDY-40N ABQ-JNC-50WSW MTU-50ENE SLC-60SSW DDY WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.