National Weather Service United States Department of Commerce

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. 

 


000
WAUS46 KKCI 300011 AAB
WA6S
SFOS WA 300011 AMD
AIRMET SIERRA UPDT 6 FOR IFR AND MTN OBSCN VALID UNTIL 300300
.
AIRMET IFR...WA OR
FROM 40SSE HUH TO 50E SEA TO 30NNE BTG TO 40SE BTG TO 50NW OED
TO 60WSW BTG TO 30NW BTG TO 40W SEA TO 40SSE HUH
CIG BLW 010/VIS BLW 3SM BR/FG. CONDS ENDG 21-00Z.
.
AIRMET IFR...OR CA AND CSTL WTRS
FROM 60WNW OED TO 20N FOT TO 20SW ENI TO 20NW SNS TO 60SSE SNS
TO 80W RZS TO 150SW RZS TO 140WSW FOT TO 130WNW FOT TO 60WNW OED
CIG BLW 010/VIS BLW 3SM BR/FG. CONDS CONTG BYD 03Z THRU 09Z.
.
AIRMET MTN OBSCN...WA OR
FROM 30SW YDC TO 50ESE SEA TO 20W BTG TO 50S HQM TO 20NNW HQM TO
TOU TO 20WNW HUH TO 30SW YDC
MTNS OBSC BY CLDS/BR. CONDS CONTG BYD 03Z THRU 09Z.
.
AIRMET MTN OBSCN...CA...UPDT
FROM 60S FMG TO 40WSW OAL TO 60WSW BTY TO 20E EHF TO 20NNE MOD
TO 60S FMG
MTNS OBSC BY FU/HZ. CONDS CONTG BYD 03Z ENDG 03-06Z.
....



373
WAUS45 KKCI 292045
WA5S
SLCS WA 292045
AIRMET SIERRA UPDT 5 FOR IFR VALID UNTIL 300300
.
NO SGFNT IFR EXP OUTSIDE OF CNVTV ACT.
....



300
WAUS46 KKCI 292045
WA6T
SFOT WA 292045
AIRMET TANGO UPDT 3 FOR TURB VALID UNTIL 300300
.
NO SGFNT TURB EXP OUTSIDE OF CNVTV ACT.
.
OTLK VALID 0300-0900Z...TURB WA OR ID MT AND CSTL WTRS
BOUNDED BY 60WSW YXC-50SE YQL-60ESE FCA-20NW MLP-50ESE YKM-30NNE
DSD-50SSW ONP-70S HQM-30NW TOU-50SW HUH-40WNW HUH-60WSW YXC
MOD TURB BLW 100. CONDS DVLPG 03-06Z. CONDS CONTG THRU 09Z.
....




000
WAUS45 KKCI 292045
WA5T
SLCT WA 292045
AIRMET TANGO UPDT 3 FOR TURB AND LLWS VALID UNTIL 300300
.
AIRMET TURB...ID MT WY CO
FROM 40SW YXC TO 40SSE YQL TO 80SSW YYN TO 20NW MLS TO 20NW BFF
TO 40SE CYS TO 40ESE CHE TO 40E OCS TO 20SE BPI TO 20ESE DBS TO
20NNE LKT TO 40SW MLP TO 40SW YXC
MOD TURB BLW 140. CONDS ENDG 00-03Z.
.
LLWS POTENTIAL...MT WY
BOUNDED BY 50WSW HVR-50NW MLS-50SSE MLS-CZI-50NNW BOY-70ESE DLN-
50WSW GTF-50WSW HVR
LLWS EXP. CONDS ENDG 21-00Z.
.
OTLK VALID 0300-0900Z...TURB ID MT WA OR AND CSTL WTRS
BOUNDED BY 60WSW YXC-50SE YQL-60ESE FCA-20NW MLP-50ESE YKM-30NNE
DSD-50SSW ONP-70S HQM-30NW TOU-50SW HUH-40WNW HUH-60WSW YXC
MOD TURB BLW 100. CONDS DVLPG 03-06Z. CONDS CONTG THRU 09Z.
....


000
WAUS46 KKCI 292045
WA6Z
SFOZ WA 292045
AIRMET ZULU UPDT 3 FOR ICE AND FRZLVL VALID UNTIL 300300
.
NO SGFNT ICE EXP OUTSIDE OF CNVTV ACT.
.
OTLK VALID 0300-0900Z...ICE WA OR AND CSTL WTRS
BOUNDED BY 40E HUH-30WNW SEA-130WNW ONP-130W HQM-70WNW TOU-40NNE
TOU-40E HUH
MOD ICE BTN FRZLVL AND FL200. FRZLVL 080-100. CONDS DVLPG 06-09Z.
CONDS CONTG THRU 09Z.
.
FRZLVL...RANGING FROM 080-145 ACRS AREA
120 ALG 160WNW ONP-140WNW ONP-40SE HQM-20E YKM-30WNW DNJ
....



000
WAUS45 KKCI 292045
WA5Z
SLCZ WA 292045
AIRMET ZULU UPDT 3 FOR ICE AND FRZLVL VALID UNTIL 300300
.
NO SGFNT ICE EXP OUTSIDE OF CNVTV ACT.
.
FRZLVL...RANGING FROM SFC-165 ACRS AREA
MULT FRZLVL 040-110 BOUNDED BY 70NNW ISN-60SSW ISN-60SSW GGW-
50SSE HVR-30WNW LWT-40WNW BIL-50ENE DLN-30SW GTF-30S YQL-
70SSE YYN-70NNW ISN
SFC BOUNDED BY 60WSW BIL-60S BIL-20SE BOY-60SSE BOY-40NW LAR-
20SSE LAR-30W DEN-30E HBU-40NNW CHE-50NE OCS-40NE BPI-30NE
JAC-60WSW BIL
040 ALG 50NNE GGW-30NW ISN
080 ALG 20SSW YXC-30SW BIL-50NNW BOY-40ESE BOY-40S SHR-30SE
BIL-70SW DIK
120 ALG 30WNW DNJ-50WNW PIH-20SSE SLC-50WSW JNC-30SW ALS-
30NNE CIM-40ENE LAA
160 ALG 60E ELP-70S CME-20N INK
....

 

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