000 WAHW31 PHFO 272129 WA0HI HNLS WA 272200 AIRMET SIERRA UPDATE 4 FOR IFR VALID UNTIL 280400 . AIRMET MTN OBSC...KAUAI OAHU MAUI N THRU E SECTIONS. MTN TEMPO OBSC ABV 020 EXP DUE TO CLD AND SHRA. COND CONT BEYOND 0400Z. =HNLT WA 272200 AIRMET TANGO UPDATE 3 FOR TURB VALID UNTIL 280400 . NO SIGNIFICANT TURB EXP. =HNLZ WA 272200 AIRMET ZULU UPDATE 3 FOR ICE AND FZLVL VALID UNTIL 280400 . NO SIGNIFICANT ICE EXP. . FZLVL...141-143.