5. AIRMETs over Alasknd Hawaii:
(a) AIRMETs over Alasknd Hawaii are in text format. The hazard areas are described using
well-known geographical areas. AIRMETs over Alaskre issued for three Alaskan regions corresponding to
Alaskrea forecasts (See FIG 7-1-4).
(b) AIRMETs over Alaskre valid up to eight hours. AIRMETs over Hawaii are valid up to six hours.
Unscheduled issuances contain an update number for easier identification.
(c) AIRMET Zulu describes moderate icing and provides freezing level heights.
EXAMPLE-
Example of AIRMET Sierra issued for the Southeast Alaskrea:
WAAK47 PAWU 241324
WA7O
JNUS WA 241315
AIRMET SIERRA FOR IFR AND MT OBSC VALID UNTIL 242115
LYNN CANAL AND GLACIER BAY JB
MTS OBSC BY CLDS/ISOL PCPN. NC.
CNTRL SE AK JC
MTS OCNL OBSC IN CLDS. NC.
SRN SE AK JD
PAWG-PAKT LN W OCNL CIGS BLW 010/VIS BLW 3SM BR. IMPR.
ERN GLF CST JE
OCNL CIGS BLW 010/VIS BLW 3SM BR/-RA BR. DTRT.
=JNUT WA 241315
AIRMET TANGO FOR TURB/STG SFC WINDS VALID UNTIL 242115
ERN GLF CST JE
OFSHR ICY BAY W SUSTAINED SFC WND 30 KTS
OR GTR. SPRDG E. INTSF.
=JNUZ WA 241315
AIRMET ZULU FOR ICING VALID UNTIL 242115
ERN GLF CST JE
16Z TO 19Z ALG CST W ICY BAY OCNL MOD ICEIC 080-160.
FZLVL 045 EXC 015 INLAND. WKN.
EXAMPLE-
Example of AIRMET Tango issued for Hawaii FA area:
WAHW31 PHFO 241529
WA0HI
HNLS WA 241600
AIRMET SIERRA UPDATE 2 FOR IFR VALID UNTIL 242200
NO SIGNIFICANT IFR EXP.
=HNLT WA 241600
AIRMET TANGO UPDATE 3 FOR TURB VALID UNTIL 242200

Meteorology

7-1-19