000 WAHW31 PHFO 222121 WA0HI HNLS WA 222200 AIRMET SIERRA UPDATE 3 FOR IFR VALID UNTIL 230400 . AIRMET MTN OBSC...BIG ISLAND...CANCELED CONDS HAVE IMPROVED. =HNLT WA 222200 AIRMET TANGO UPDATE 3 FOR TURB VALID UNTIL 230400 . AIRMET TURB...HI...CANCELED CONDS HAVE IMPROVED. =HNLZ WA 222200 AIRMET ZULU UPDATE 3 FOR ICE AND FZLVL VALID UNTIL 230400 . NO SIGNIFICANT ICE EXP. . FZLVL...151-155.