000 WAHW31 PHFO 230319 WA0HI HNLS WA 222200 AIRMET SIERRA UPDATE 4 FOR IFR VALID UNTIL 230400 . NO SIGNIFICANT IFR EXP. =HNLT WA 222200 AIRMET TANGO UPDATE 4 FOR TURB VALID UNTIL 230400 . NO SIGNIFICANT TURB EXP. =HNLZ WA 222200 AIRMET ZULU UPDATE 4 FOR ICE AND FZLVL VALID UNTIL 230400 . NO SIGNIFICANT ICE EXP. . FZLVL...151-155.