000 WAHW31 PHFO 171502 WA0HI HNLS WA 171600 AIRMET SIERRA UPDATE 3 FOR IFR VALID UNTIL 172200 . AIRMET MTN OBSC...OAHU N THRU E FACING SLOPES. MTN TEMPO OSBSC ABV 025 EXP DUE TO CLD AND SHRA. COND CONT BEYOND 2200Z. =HNLT WA 171600 AIRMET TANGO UPDATE 2 FOR TURB VALID UNTIL 172200 . NO SIGNIFICANT TURB EXP. =HNLZ WA 171600 AIRMET ZULU UPDATE 2 FOR ICE AND FZLVL VALID UNTIL 172200 . NO SIGNIFICANT ICE EXP. . FZLVL...127 PHLI SLOPING TO 143 PHTO.