NWS All NOAA
438 WAUS42 KKCI 040845 WA2Z MIAZ WA 040845 AIRMET ZULU UPDT 1 FOR ICE AND FRZLVL VALID UNTIL 041500 . NO SGFNT ICE EXP OUTSIDE OF CNVTV ACT. . FRZLVL...RANGING FROM 160-185 ACRS AREA ....