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.
277
WAUS46 KKCI 210245
WA6S
SFOS WA 210245
AIRMET SIERRA FOR IFR AND MTN OBSCN VALID UNTIL 210900
.
AIRMET IFR...CA
FROM 30SW SAC TO 30NNE MOD TO 40N CZQ TO 60E CZQ TO 20ESE EHF TO
40W EHF TO 30SW SAC
CIG BLW 010/VIS BLW 3SM FG. CONDS DVLPG 06-09Z. CONDS CONTG BYD
09Z THRU 15Z.
.
AIRMET MTN OBSCN...WA OR CA ID MT
FROM HUH TO 50SSW YQL TO 40SE FCA TO 20NW MLP TO 30NNW GEG TO
40WNW EPH TO 30ESE SEA TO 20NW BTG TO 20ENE EUG TO 40SE OED TO
60N FOT TO 70WNW OED TO ONP TO HQM TO HUH
MTNS OBSC BY CLDS. CONDS CONTG BYD 09Z THRU 15Z.
.
OTLK VALID 0900-1500Z
AREA 1...IFR WA OR ID MT
BOUNDED BY 20W HUH-90ESE YDC-40N FCA-40NE BOI-40WNW DSD-20SE TOU-
20W HUH
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS DVLPG 12-15Z. CONDS CONTG
THRU 15Z.
.
AREA 2...MTN OBSCN CA
BOUNDED BY 30SW SAC-40W EHF-40WNW RZS-20S PYE-30SW SAC
MTNS OBSC BY CLDS. CONDS DVLPG 09-12Z. CONDS CONTG THRU 15Z.
....
274
WAUS45 KKCI 210245
WA5S
SLCS WA 210245
AIRMET SIERRA FOR IFR AND MTN OBSCN VALID UNTIL 210900
.
AIRMET IFR...NM
FROM 30NW FTI TO 50N TCC TO 20E TCC TO 50SSW TXO TO 60SSW CME TO
50NNE ELP TO 20SE ABQ TO 30NW FTI
CIG BLW 010/VIS BLW 3SM PCPN. CONDS CONTG BYD 09Z ENDG 09-12Z.
.
AIRMET MTN OBSCN...CO NM
FROM 50W TBE TO 40SSW TBE TO 20S CME TO 60W INK TO 20NW ELP TO
40ESE TCS TO 50S ABQ TO 50WSW ALS TO 50W TBE
MTNS OBSC BY CLDS/PCPN. CONDS CONTG BYD 09Z ENDG 09-12Z.
.
AIRMET MTN OBSCN...ID MT WA OR CA
FROM HUH TO 50SSW YQL TO 40SE FCA TO 20NW MLP TO 30NNW GEG TO
40WNW EPH TO 30ESE SEA TO 20NW BTG TO 20ENE EUG TO 40SE OED TO
60N FOT TO 70WNW OED TO ONP TO HQM TO HUH
MTNS OBSC BY CLDS. CONDS CONTG BYD 09Z THRU 15Z.
.
OTLK VALID 0900-1500Z...IFR ID MT WA OR
BOUNDED BY 20W HUH-90ESE YDC-40N FCA-40NE BOI-40WNW DSD-20SE TOU-
20W HUH
CIG BLW 010/VIS BLW 3SM PCPN/BR. CONDS DVLPG 12-15Z. CONDS CONTG
THRU 15Z.
....
890
WAUS46 KKCI 210335 AAA
WA6T
SFOT WA 210335 AMD
AIRMET TANGO UPDT 1 FOR TURB STG WNDS AND LLWS VALID UNTIL 210900
.
...SEE SIGMET UNIFORM SERIES...
.
...SEE SIGMET WHISKEY SERIES...UPDT
.
AIRMET TURB...CA AND CSTL WTRS
FROM 60WNW OAL TO EED TO BZA TO 40SSW MZB TO 40SW LAX TO 20WSW
EHF TO 20WNW CZQ TO 60WNW OAL
MOD TURB BTN FL180 AND FL400. CONDS CONTG BYD 09Z THRU 15Z.
.
AIRMET TURB...CA NV UT AZ NM AND CSTL WTRS
FROM 40SSE ELY TO 40WNW HVE TO 20ESE BCE TO 40SE TBC TO 30NW SJN
TO 50S SJN TO 60SE SSO TO 50S TUS TO BZA TO 20S MZB TO 30WSW RZS
TO 20WSW EHF TO 20NNE CZQ TO 50WSW OAL TO 30WSW BTY TO 40SSE ELY
MOD TURB BLW FL180. CONDS CONTG BYD 09Z THRU 15Z.
.
AIRMET STG SFC WNDS...CA AND CSTL WTRS
FROM 60WNW HEC TO 40SSW HEC TO 30ESE LAX TO 30W LAX TO RZS TO
30SSE EHF TO 60WNW HEC
SUSTAINED SURFACE WINDS GTR THAN 30KT EXP. CONDS CONTG BYD 09Z
ENDG 12-15Z.
.
LLWS POTENTIAL...CA NV AZ AND CSTL WTRS
BOUNDED BY 40ENE PGS-20N INW-40SSE INW-50SSE PHX-90SSW PHX-30SE
MZB-40SE LAX-30S RZS-30S EHF-30S LAS-30SSE EED-40ENE PGS
LLWS EXP. CONDS CONTG BYD 09Z ENDG 12-15Z.
.
OTLK VALID 0900-1500Z...TURB CA AND CSTL WTRS
BOUNDED BY 160SW SNS-TRM-50ESE MZB-220SW MZB-160SW SNS
MOD TURB BTN FL240 AND FL400. CONDS DVLPG 09-12Z. CONDS CONTG
THRU 15Z.
....
888
WAUS45 KKCI 210335 AAB
WA5T
SLCT WA 210335 AMD
AIRMET TANGO UPDT 2 FOR TURB STG WNDS AND LLWS VALID UNTIL 210900
.
...SEE SIGMET UNIFORM SERIES...
.
...SEE SIGMET WHISKEY SERIES...UPDT
.
AIRMET TURB...WY NV UT CO AZ NM
FROM 60S BOY TO 30NW BFF TO GLD TO 50W LBL TO 30ESE TBE TO 30SE
TCC TO 20E DRK TO 80ESE BZA TO BZA TO EED TO 60WNW OAL TO 20SE
OAL TO 30WNW SLC TO 60S BOY
MOD TURB BTN FL180 AND FL400. CONDS CONTG BYD 09Z THRU 15Z.
.
AIRMET TURB...AZ NM
FROM 30SE TCC TO INK TO ELP TO 50S TUS TO 80ESE BZA TO 20E DRK
TO 30SE TCC
MOD TURB BTN FL180 AND FL300. CONDS ENDG 06-09Z.
.
AIRMET TURB...NV UT AZ NM CA AND CSTL WTRS
FROM 40SSE ELY TO 40WNW HVE TO 20ESE BCE TO 40SE TBC TO 30NW SJN
TO 50S SJN TO 60SE SSO TO 50S TUS TO BZA TO 20S MZB TO 30WSW RZS
TO 20WSW EHF TO 20NNE CZQ TO 50WSW OAL TO 30WSW BTY TO 40SSE ELY
MOD TURB BLW FL180. CONDS CONTG BYD 09Z THRU 15Z.
.
AIRMET TURB...ID MT WY UT CO
FROM 40SE YXC TO 70S YYN TO 40ENE DDY TO 30SW BFF TO 30S PUB TO
30NE RSK TO 40NW CHE TO 40ENE SLC TO 30E DBS TO 40NE BOI TO 40SE
YXC
MOD TURB BLW FL180. CONDS CONTG BYD 09Z THRU 15Z.
.
AIRMET STG SFC WNDS...MT
FROM 50SE YQL TO 20ENE GTF TO 70SSE FCA TO 40N FCA TO 50SE YQL
SUSTAINED SURFACE WINDS GTR THAN 30KT EXP. CONDS CONTG BYD 09Z
THRU 15Z.
.
LLWS POTENTIAL...WY CO
BOUNDED BY 40N CYS-20SSE DEN-20S ALS-30NE RSK-50SSE JNC-20NNW
DBL-40WNW LAR-40N CYS
LLWS EXP. CONDS DVLPG 03-06Z. CONDS CONTG BYD 09Z THRU 15Z.
.
LLWS POTENTIAL...ID MT WY
BOUNDED BY 80NE GGW-60NE CZI-30SE SHR-60SSW BOY-40SW BPI-30E DBS-
40W DBS-20W LKT-80SSE MLP-50SE YQL-80NE GGW
LLWS EXP. CONDS CONTG BYD 09Z THRU 15Z.
.
LLWS POTENTIAL...NV AZ CA AND CSTL WTRS
BOUNDED BY 40ENE PGS-20N INW-40SSE INW-50SSE PHX-90SSW PHX-30SE
MZB-40SE LAX-30S RZS-30S EHF-30S LAS-30SSE EED-40ENE PGS
LLWS EXP. CONDS CONTG BYD 09Z ENDG 12-15Z.
.
OTLK VALID 0900-1500Z...STG SFC WNDS WY CO
BOUNDED BY 20SSW CZI-50ESE CZI-BFF-20S CYS-30E CHE-60WNW LAR-
20SSW DDY-20SSW CZI
SUSTAINED SURFACE WINDS GTR THAN 30KT EXP. CONDS DVLPG 09-12Z.
CONDS CONTG THRU 15Z.
....
878
WAUS46 KKCI 210245
WA6Z
SFOZ WA 210245
AIRMET ZULU FOR ICE AND FRZLVL VALID UNTIL 210900
.
NO SGFNT ICE EXP OUTSIDE OF CNVTV ACT.
.
FRZLVL...RANGING FROM SFC-130 ACRS AREA
MULT FRZLVL 010-110 BOUNDED BY 160WNW TOU-40NE TOU-30SSW GEG-
20E REO-60WNW OAL-60SSW FMG-20NE RBL-180WSW HQM-160WNW TOU
SFC ALG 40W HUH-20NW SEA-70SE OED-50E EHF-30ENE TRM-50N BZA
040 ALG 140WSW TOU-40SSW TOU-30NE HQM-20NE BTG-DSD
040 ALG 40WNW HEC-30SSE HEC-40ENE TRM-60S EED
080 ALG 160WNW ONP-60NW ONP-30SE ONP-40NNE RBL-20ESE CZQ-30S
EHF-50ESE MZB
120 ALG 170SW RZS-140SW MZB
....
403
WAUS45 KKCI 210245
WA5Z
SLCZ WA 210245
AIRMET ZULU FOR ICE AND FRZLVL VALID UNTIL 210900
.
AIRMET ICE...MT WY
FROM 60ESE YQL TO 70NW ISN TO 80SE MLS TO 20W SHR TO 30WSW GTF TO
70SSE YQL TO 60ESE YQL
MOD ICE BLW FL190. CONDS CONTG BYD 03Z THRU 09Z.
.
FRZLVL...RANGING FROM SFC-110 ACRS AREA
MULT FRZLVL 010-110 BOUNDED BY 160WNW TOU-40NE TOU-30SSW GEG-
20E REO-60WNW OAL-60SSW FMG-20NE RBL-180WSW HQM-160WNW TOU
SFC ALG 50N BZA-30SSW PHX-50SSE TUS
....
9-Hour (Smear) AIRMETs for Turbulence, Icing, IFR, Mountain Obscuration
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