ZSE AIRMETs

Choose from the AIRMET types and regions below, or go to the Graphical AIRMET page at AWC.

IFR US	Turbulence US	Icing US	Freezing Level US
IFR PacNW	Turbulence PacNW	Icing PacNW	Freezing Level PacNW

Instrument Flight Rules (IFR) or Mountain Obscuration - AIRMET SIERRA (12-hour period)

Ceilings less than 1000 feet and/or visibility less than 3 miles affecting over 50% of the area at one time.
Extensive mountain obscuration

Turbulence - AIRMET TANGO (12-hour period)

Moderate Turbulence HIGH level (>FL180)
Moderate Turbulence LOW level (sfc-FL180)
Low Level Wind Shear (LLWS) below 2000 feet AGL
Sustained surface winds of 30 knots or more at the surface

Icing - AIRMET ZULU (12-hour period)

Moderate Icing
Lowest Freezing Levels
Multiple Freezing Levels

Please note that SIGMETs are included in the separate, lower-right graphic above.

180
WAUS46 KKCI 211121 AAA
WA6S
SFOS WA 211121 AMD
AIRMET SIERRA UPDT 4 FOR IFR AND MTN OBSCN VALID UNTIL 211500
.
AIRMET IFR...OR ID
FROM 60NW LKT TO 60S LKT TO 40WNW PIH TO 60SSE BOI TO 30WNW BOI
TO 80SW BKE TO 20SW PDT TO 60NW LKT
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET IFR...WA OR ID MT...UPDT
FROM 30SSW YQL TO 40ENE FCA TO 40NW HLN TO 50NNE LKT TO 50SSW
BTG TO 20NE BTG TO 40S SEA TO 40SW YDC TO 30SSW YQL
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET IFR...WA OR CA AND CSTL WTRS...UPDT
FROM 60WSW PDT TO 20NNE LKV TO 70SSE LKV TO 20W FMG TO 50E SAC
TO 30SSE SAC TO 40SSW OAK TO 50SW PYE TO 80W ENI TO 30WNW FOT TO
60NNW FOT TO 90SSW ONP TO 50SSW BTG TO 60WSW PDT
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET MTN OBSCN...WA OR
FROM 50E YDC TO 50WSW YXC TO 40SSE REO TO 20NNW ONP TO 20NW TOU
TO 20W HUH TO 50E YDC
MTNS OBSC BY CLDS/PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET MTN OBSCN...OR CA
FROM 20NNW ONP TO 40SSE REO TO 40SE LKV TO 40SSW FMG TO 60S SNS
TO 30WSW SNS TO 40NW ENI TO 20WNW FOT TO 100SSW ONP TO 20NNW ONP
MTNS OBSC BY CLDS/PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...MTN OBSCN WA OR CA ID MT WY NV
BOUNDED BY 30SSW YQL-30NNW GTF-20NE HVR-30SW LWT-50WNW BOY-30NW
TWF-20WNW BOI-80WNW BAM-30SSE FMG-30ESE SAC-20NW SAC-30SSE MOD-
80WNW RZS-20WNW PYE-60SSW FOT-20SSW ONP-HQM-TOU-HUH-30SSW YQL
MTNS OBSC BY CLDS/PCPN/BR. CONDS CONTG THRU 21Z.
....

764
WAUS45 KKCI 211121 AAC
WA5S
SLCS WA 211121 AMD
AIRMET SIERRA UPDT 6 FOR IFR AND MTN OBSCN VALID UNTIL 211500
.
AIRMET IFR...ID OR
FROM 60NW LKT TO 60S LKT TO 40WNW PIH TO 60SSE BOI TO 30WNW BOI
TO 80SW BKE TO 20SW PDT TO 60NW LKT
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET IFR...ID MT WA OR...UPDT
FROM 30SSW YQL TO 40ENE FCA TO 40NW HLN TO 50NNE LKT TO 50SSW
BTG TO 20NE BTG TO 40S SEA TO 40SW YDC TO 30SSW YQL
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET IFR...MT...UPDT
FROM 60NNE GGW TO 50NNW ISN TO 20SSW ISN TO 50ESE GGW TO 60NNE
GGW
CIG BLW 010/VIS BLW 3SM BR/FG. CONDS DVLPG AFT 09Z. CONDS CONTG
BYD 15Z ENDG BY 18Z.
.
AIRMET MTN OBSCN...NV
FROM 40SE LKV TO 40SSE REO TO 50NW BAM TO 60SSW FMG TO 40SE LKV
MTNS OBSC BY CLDS/PCPN/BR. CONDS ENDG BY 15Z.
.
AIRMET MTN OBSCN...ID MT
FROM 50ESE YXC TO 30SSW YQL TO 40NNW GTF TO 20ESE GTF TO 50SSW
HLN TO 60NNE TWF TO 20ESE BOI TO 40NNE REO TO 50WSW YXC TO 50ESE
YXC
MTNS OBSC BY CLDS/PCPN/BR. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...MTN OBSCN ID MT WY NV WA OR CA
BOUNDED BY 30SSW YQL-30NNW GTF-20NE HVR-30SW LWT-50WNW BOY-30NW
TWF-20WNW BOI-80WNW BAM-30SSE FMG-30ESE SAC-20NW SAC-30SSE MOD-
80WNW RZS-20WNW PYE-60SSW FOT-20SSW ONP-HQM-TOU-HUH-30SSW YQL
MTNS OBSC BY CLDS/PCPN/BR. CONDS CONTG THRU 21Z.
....

548
WAUS46 KKCI 210845
WA6T
SFOT WA 210845
AIRMET TANGO UPDT 1 FOR TURB STG WNDS AND LLWS VALID UNTIL 211500
.
...SEE SIGMET WHISKEY SERIES...
.
AIRMET TURB...CA AZ NM AND CSTL WTRS
FROM 30NNE HEC TO 40NE PHX TO 50SSW DMN TO 50S TUS TO BZA TO 20S
MZB TO 220SW MZB TO 160WSW RZS TO 30NNE HEC
MOD TURB BTN FL280 AND FL400. CONDS DVLPG 09-12Z. CONDS CONTG
BYD 15Z THRU 21Z.
.
AIRMET TURB...WA OR CA ID MT WY NV AND CSTL WTRS
FROM YDC TO 50WSW YXC TO 40NNW HVR TO 50NNE GGW TO 80NW RAP TO
50N TWF TO 60S BOI TO 140WSW FOT TO 120WNW ONP TO 140W TOU TO YDC
MOD TURB BTN FL180 AND FL420. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET TURB...WA OR CA ID MT NV UT AND CSTL WTRS
FROM 30WNW MLP TO 20SW MLD TO 20SSW BVL TO 50S DTA TO 60W BTY TO
50S SNS TO 50W PYE TO 70NNW FOT TO 30NNW OED TO 30WNW DSD TO
40WSW PDT TO 50S EPH TO 30WNW MLP
MOD TURB BLW 120. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET STG SFC WNDS...CA AND CSTL WTRS
FROM 30SSW FOT TO 20N PYE TO 30WNW SNS TO 110SSW PYE TO 100W ENI
TO 30SSW FOT
SUSTAINED SURFACE WINDS GTR THAN 30KT EXP. CONDS ENDG 12-15Z.
.
LLWS POTENTIAL...WA OR CA ID MT WY NV AND CSTL WTRS
BOUNDED BY MLP-30ESE LWT-50SSW BOY-40SSW DBS-60WSW TWF-30ENE FMG-
30SSW OAL-20SW OAK-40SW ENI-30NNW FOT-50WSW OED-MLP
LLWS EXP. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...TURB CA NV AZ NM AND CSTL WTRS
BOUNDED BY 50SW BTY-30NW INW-30NNW TCS-60W INK-ELP-50S TUS-BZA-
20S MZB-220SW MZB-140SSW SNS-50SW BTY
MOD TURB BTN FL280 AND FL400. CONDS CONTG THRU 21Z.
....

546
WAUS45 KKCI 210845
WA5T
SLCT WA 210845
AIRMET TANGO UPDT 1 FOR TURB AND LLWS VALID UNTIL 211500
.
...SEE SIGMET WHISKEY SERIES...
.
AIRMET TURB...AZ NM CA AND CSTL WTRS
FROM 30NNE HEC TO 40NE PHX TO 50SSW DMN TO 50S TUS TO BZA TO 20S
MZB TO 220SW MZB TO 160WSW RZS TO 30NNE HEC
MOD TURB BTN FL280 AND FL400. CONDS DVLPG 09-12Z. CONDS CONTG
BYD 15Z THRU 21Z.
.
AIRMET TURB...ID MT WY NV WA OR CA AND CSTL WTRS
FROM YDC TO 50WSW YXC TO 40NNW HVR TO 50NNE GGW TO 80NW RAP TO
50N TWF TO 60S BOI TO 140WSW FOT TO 120WNW ONP TO 140W TOU TO YDC
MOD TURB BTN FL180 AND FL420. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET TURB...MT WY
FROM 50NNE GGW TO 50NNW ISN TO 50WNW RAP TO 50NNE GGW
MOD TURB BTN FL180 AND FL420. CONDS ENDG BY 15Z.
.
AIRMET TURB...ID MT NV UT WA OR CA AND CSTL WTRS
FROM 30WNW MLP TO 20SW MLD TO 20SSW BVL TO 50S DTA TO 60W BTY TO
50S SNS TO 50W PYE TO 70NNW FOT TO 30NNW OED TO 30WNW DSD TO
40WSW PDT TO 50S EPH TO 30WNW MLP
MOD TURB BLW 120. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET TURB...ID MT WY UT CO NM
FROM 50WSW YXC TO 50SSW GGW TO 40N SHR TO 70SW RAP TO 30ESE CME
TO 50E TCS TO 70ESE RSK TO 50SW HBU TO 30NW DBL TO 30NW OCS TO
40SSE SLC TO 20SW MLD TO 30WNW MLP TO 50WSW YXC
MOD TURB BLW FL180. CONDS CONTG BYD 15Z THRU 21Z.
.
LLWS POTENTIAL...WY CO
BOUNDED BY 30E DDY-60NNW BFF-40SW PUB-50SSE HBU-20SE DBL-30E DDY
LLWS EXP. CONDS ENDG 12-15Z.
.
LLWS POTENTIAL...ID MT WY NV WA OR CA AND CSTL WTRS
BOUNDED BY MLP-30ESE LWT-50SSW BOY-40SSW DBS-60WSW TWF-30ENE FMG-
30SSW OAL-20SW OAK-40SW ENI-30NNW FOT-50WSW OED-MLP
LLWS EXP. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...TURB NV AZ NM CA AND CSTL WTRS
BOUNDED BY 50SW BTY-30NW INW-30NNW TCS-60W INK-ELP-50S TUS-BZA-
20S MZB-220SW MZB-140SSW SNS-50SW BTY
MOD TURB BTN FL280 AND FL400. CONDS CONTG THRU 21Z.
....

552
WAUS46 KKCI 210845
WA6Z
SFOZ WA 210845
AIRMET ZULU UPDT 1 FOR ICE AND FRZLVL VALID UNTIL 211500
.
AIRMET ICE...WA OR CA ID MT WY NV UT AND CSTL WTRS
FROM 50WSW YXC TO 50N ISN TO 20S MLS TO 40NE BOY TO 50ESE BPI TO
30SSW SLC TO 150SW SNS TO 140WSW FOT TO 50NNW FOT TO 30W OED TO
20WSW EUG TO 30SW YKM TO 40NE EPH TO 70ESE YDC TO 50WSW YXC
MOD ICE BTN FRZLVL AND FL220. FRZLVL SFC-090. CONDS CONTG BYD 15Z
THRU 21Z.
.
AIRMET ICE...WA OR CA AND CSTL WTRS
FROM 20NW HUH TO 30SSW YDC TO 50SE SEA TO 30SW YKM TO 20WSW EUG
TO 130WNW FOT TO 140W TOU TO 20NW HUH
MOD ICE BTN FRZLVL AND 160. FRZLVL 030-060. CONDS CONTG BYD 15Z
THRU 21Z.
.
OTLK VALID 1500-2100Z...ICE WA OR CA ID MT WY NV UT AND CSTL WTRS
BOUNDED BY 20SSE YDC-40SSW YQL-50N ISN-20S MLS-20N SHR-40NE
BOY-50ESE BPI-30SSW SLC-50NNE CZQ-140SW SNS-140WSW FOT-90WSW
FOT-20SSE YDC
MOD ICE BTN FRZLVL AND FL220. FRZLVL SFC-090. CONDS CONTG THRU
21Z.
.
FRZLVL...RANGING FROM SFC-145 ACRS AREA
SFC ALG 30NE HUH-60NW EPH-40NNW EPH-50N GEG-40NE GEG
040 ALG 160WNW ONP-80WSW TOU-30WSW TOU-50ESE SEA-20WSW EPH-
60NNE GEG
080 ALG 140WSW FOT-40N FOT-60NE LKV-40NNE REO-30ESE REO-40SSE
REO
080 ALG 40W OAL-60SSW OAL-20S BTY
120 ALG 150SW SNS-50W EHF-50W HEC-20NW EED
....

550
WAUS45 KKCI 210845
WA5Z
SLCZ WA 210845
AIRMET ZULU UPDT 1 FOR ICE AND FRZLVL VALID UNTIL 211500
.
AIRMET ICE...ID MT WY NV UT WA OR CA AND CSTL WTRS
FROM 50WSW YXC TO 50N ISN TO 20S MLS TO 40NE BOY TO 50ESE BPI TO
30SSW SLC TO 150SW SNS TO 140WSW FOT TO 50NNW FOT TO 30W OED TO
20WSW EUG TO 30SW YKM TO 40NE EPH TO 70ESE YDC TO 50WSW YXC
MOD ICE BTN FRZLVL AND FL220. FRZLVL SFC-090. CONDS CONTG BYD 15Z
THRU 21Z.
.
OTLK VALID 1500-2100Z...ICE ID MT WY NV UT WA OR CA AND CSTL WTRS
BOUNDED BY 20SSE YDC-40SSW YQL-50N ISN-20S MLS-20N SHR-40NE
BOY-50ESE BPI-30SSW SLC-50NNE CZQ-140SW SNS-140WSW FOT-90WSW
FOT-20SSE YDC
MOD ICE BTN FRZLVL AND FL220. FRZLVL SFC-090. CONDS CONTG THRU
21Z.
.
FRZLVL...RANGING FROM SFC-150 ACRS AREA
MULT FRZLVL BLW 120 BOUNDED BY 40SW YQL-40NNW ISN-70SW RAP-
BFF-50ESE REO-20N DBS-40SW YQL
MULT FRZLVL BLW 120 BOUNDED BY 50ESE REO-BFF-GLD-50W LBL-
30ESE TBE-30ENE TCC-30SE FTI-70SW DVC-40ESE BTY-40W BTY-
30W OAL-60WSW BAM-50ESE REO
SFC ALG 40NE GEG-30NW MLP-60SSE MLP-50SSE BOI-60WNW BAM-40SSW
OAL-20NW TXO
080 ALG 40SSE ALS-30SE CIM-30SE TCC
080 ALG 40SSE REO-70NNE FMG-60SSE FMG-40W OAL
080 ALG 20S BTY-40N LAS-20W BCE-30E BCE-30S RSK
120 ALG 20NW EED-40NNE DRK-30SSE TCS-70WSW LBB
....

9-Hour (Smear) AIRMETs for Turbulence, Icing, IFR, Mountain Obscuration