Aviation Area Forecast - North Alaska (Part 1)


FAAK49 PAWU 172302 AAA
FA9H  
FAIH FA 172258 AMD
AK NRN HLF...
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AIRMETS VALID UNTIL 180515
CB IMPLY POSSIBLE SEV OR GREATER TURB SEV ICE LLWS AND IFR CONDS.
NON MSL HEIGHTS NOTED BY AGL OR CIG.
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SYNOPSIS VALID UNTIL 181500
992 MB LOW 40 NM W PABT WILL MOV TO VCY PATQ AT 996 MB BY 15Z.
NW-SE RIDGE ACROSS ERN SIBERIA WILL BUILD INTO SEWARD PEN LATE
IN PD. 986 MB LOW KODIAK IS WITH TROF TO VCY PASV. LOW WILL WEAKEN
AND TROF WILL DSIPT BY END OF PD.
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UPR YKN VLY FB...VALID UNTIL 180900
...CLOUDS/WX...
***AIRMET IFR***W PFYU OCNL CIGS BLW 010/VIS BLW 3SM -SN BR. NC...
***AIRMET MT OBSC***W PFYU MTS OBSC CLDS/PCPN. NC...
W PFYU SCT005 BKN015 OVC025 TOP 150 SEPD LYRS ABV TO FL220.
OCNL CIG BLW 010/VIS BLW 3SM -SN BR.
ELSW FEW025 SCT045. ISOL BKN045 TOP 100.
OTLK VALID 180900-181500...PFYU W IFR CIG SN BR. ELSW VFR.
...TURB...
TIL 00Z YKN FLATS S PFYU ISOL MOD TURB BLW 080.
...ICE AND FZLVL...
***AIRMET ICE***TIL 03Z W PFYU OCNL MOD ICEIC 050-110.
FZLVL SFC SW TO 020 CNTRL. WKN...
OTRW PFYU W ISOL MOD ICEIC 030-100.
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TANANA VLY FC...VALID UNTIL 180900 UPDT
...CLOUDS/WX...UPDT
***AIRMET IFR***SE PABI OCNL CIG BLW 010/VIS BLW 3SM BR. NC...
***AIRMET MT OBSC***SE PABI MTS OBSC CLDS. NC...
SE PABI SCT005 OVC015 TOP 030. OCNL CIG BLW 010/VIS BLW 3SM BR.
ELSW FEW045 SCT-BKN100 TOP 150. ISOL BKN045.
NW PAMH-PAFA LN AND VCY AK RANGE ISOL BKN025/VIS 3-5SM -SHSN.
TIL 03Z PAMH-PAFA LN SE VCY VLYS ISOL CIG BLW 010/VIS BLW 3SM BR.
TIL 03Z VCY GAPS AK RANGE NW MENTASTA PASS SFC WND S 20G30KT.
OTLK VALID 180900-181500...SE PABI IFR CIG BR. ELSW VFR.
PASSES...
ISABEL...VFR ISOL SHSN. MENTASTA...N APPROACH IFR CIG BR ELSW VFR.
...TURB...
TIL 00Z PABI W ISOL MOD TURB BLW 080.
...ICE AND FZLVL...
NW PAMH-PAFA LN ISOL MOD ICEIC 030-100. FZLVL BLW 010.
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KOYUKUK AND UPR KOBUK VLY FE...VALID UNTIL 180900
...CLOUDS/WX...
***AIRMET IFR***ISOL CIG BLW 010/OCNL VIS BLW 3SM -SN BR.
IMPR FM SW...
***AIRMET MT OBSC***MTS OCNL OBSC CLDS/PCPN. NC...
FEW005 SCT015 OVC025 TOP 120 LYRS ABV TO FL200 VIS 3-5SM -SN.
OCNL BKN015/VIS BLW 3SM -SN BR.
ISOL CIG BLW 010.
OTLK VALID 180900-181500...PAHL SW MVFR CIG. ELSW IFR CIG SN BR.
...TURB...
NIL SIG.
...ICE AND FZLVL...
ISOL MOD ICEIC 030-100. FZLVL SFC.
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LWR YKN VLY FF...VALID UNTIL 180900
...CLOUDS/WX...
***AIRMET IFR***PATA-PANV LN NW SPRDG TO ALL SXNS BY 05Z OCNL CIG
BLW 010/VIS BLW 3SM -SN BR. IMPR FROM NW...
***AIRMET MT OBSC***MTS OBSC CLDS/PCPN. NC...
PATA-PANV LN NW SPRDG TO ALL SXNS BY 05Z SCT005 OVC015 TOP 080
SEPD LYRS ABV TO FL180.
OCNL CIG BLW 010/VIS BLW 3SM BR. ISOL -SN.
ELSW/OTRW SCT015 BKN-OVC025 TOP 080 SEPD LYRS ABV TO 150.
ISOL BKN015/VIS 3-5SM -SHSN BR.
AFT 06Z PAGA-PANV NW SPRDG SLOWLY SE SCT025 BKN-OVC045 TOP 060.
ISOL BKN025.
OTLK VALID 180900-181500...SE PATA-PANV LN IFR CIG BR.
ELSW VFR.
...TURB...
NIL SIG.
...ICE AND FZLVL...
PARY-PAHC LN SE ISOL MOD ICEIC 030-100. FZLVL BLW 010.
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