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. 

 


756
WAUS46 KKCI 210845
WA6S
SFOS WA 210845
AIRMET SIERRA UPDT 1 FOR IFR AND MTN OBSCN VALID UNTIL 211500
.
AIRMET IFR...OR CA AND CSTL WTRS
FROM 50SSW ONP TO 60SSW LKV TO 40ESE RBL TO 30ESE CZQ TO 30NW
EHF TO 40S EHF TO 50ENE LAX TO 40ESE MZB TO 70SSW MZB TO 220SW
MZB TO 140WSW FOT TO 150WSW ONP TO 100SSW ONP TO 50SSW ONP
CIG BLW 010/VIS BLW 3SM PCPN/BR/FG. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET IFR...WA OR ID MT
FROM 50SW YQL TO 60ENE PDT TO 20SW PDT TO 40NNE DSD TO 40SE HQM
TO 30W SEA TO 40NNE SEA TO 30SSW YDC TO 50SW YQL
CIG BLW 010/VIS BLW 3SM BR/FG. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET MTN OBSCN...OR
FROM 40NW DNJ TO 20SW BOI TO 30NW REO TO 40WSW BKE TO 40NW DNJ
MTNS OBSC BY CLDS/BR/FG. CONDS DVLPG 12-15Z. CONDS CONTG BYD 15Z
THRU 21Z.
.
AIRMET MTN OBSCN...WA OR ID MT
FROM 30NNW HUH TO 50SW YQL TO 30NW FCA TO 40NNW MLP TO 20ENE GEG
TO 50SSE GEG TO 40SSE PDT TO 20SSE DSD TO 20NNE BTG TO HQM TO
TOU TO 30NNW HUH
MTNS OBSC BY CLDS/PCPN/BR/FG. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET MTN OBSCN...WA OR CA
FROM 40S HQM TO 20NNW BTG TO 40S LKV TO 40ENE SAC TO 30W EHF TO
30WSW HEC TO 40E MZB TO 20WSW MZB TO 20W LAX TO 20SSE RZS TO 50W
RZS TO 30WNW ENI TO 20NW FOT TO 30SSW ONP TO 40S HQM
MTNS OBSC BY CLDS/PCPN/BR/FG. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...IFR OR CA AND CSTL WTRS
BOUNDED BY 40SSW ONP-50SSW DSD-20W LKV-50ESE MZB-60SSW MZB-120SW
MZB-160SW MZB-220SW MZB-140WSW PYE-90W ENI-50W FOT-120W OED-
40SSW ONP
CIG BLW 010/VIS BLW 3SM PCPN/BR/FG. CONDS CONTG THRU 21Z.
....




690
WAUS45 KKCI 210845
WA5S
SLCS WA 210845
AIRMET SIERRA UPDT 1 FOR IFR AND MTN OBSCN VALID UNTIL 211500
.
AIRMET IFR...ID MT WA OR
FROM 50SW YQL TO 60ENE PDT TO 20SW PDT TO 40NNE DSD TO 40SE HQM
TO 30W SEA TO 40NNE SEA TO 30SSW YDC TO 50SW YQL
CIG BLW 010/VIS BLW 3SM BR/FG. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET MTN OBSCN...ID MT WA OR
FROM 30NNW HUH TO 50SW YQL TO 30NW FCA TO 40NNW MLP TO 20ENE GEG
TO 50SSE GEG TO 40SSE PDT TO 20SSE DSD TO 20NNE BTG TO HQM TO
TOU TO 30NNW HUH
MTNS OBSC BY CLDS/PCPN/BR/FG. CONDS CONTG BYD 15Z THRU 21Z.
....



675
WAUS46 KKCI 210845
WA6T
SFOT WA 210845
AIRMET TANGO UPDT 1 FOR TURB STG WNDS AND LLWS VALID UNTIL 211500
.
AIRMET TURB...WA OR CA ID MT NV AND CSTL WTRS
FROM 80WSW YXC TO 50ENE HVR TO 20ENE LWT TO 20SE BKE TO 70N FMG
TO 40NNE SAC TO 100WSW PYE TO 170WSW ENI TO 120WNW ONP TO 140W
TOU TO 40NW TOU TO 30NNW SEA TO 40WNW EPH TO 80WSW YXC
MOD TURB BTN FL180 AND FL390. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET TURB...WA OR CA NV AND CSTL WTRS
FROM 20WNW HUH TO 50SW YDC TO 50NW EPH TO 20WSW EPH TO 30WSW PDT
TO 70NE LKV TO 60SSW OAL TO 30ESE CZQ TO 30N SAC TO 20NNW ENI TO
80WSW OED TO 70S HQM TO 20WSW TOU TO 20WNW HUH
MOD TURB BLW FL180. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET STG SFC WNDS...WA OR CA AND CSTL WTRS
FROM 40WNW TOU TO 30WNW HQM TO 70WNW OED TO 20NW ENI TO 80W PYE
TO 150SW FOT TO 140WSW FOT TO 110WNW ONP TO 140W TOU TO 40WNW TOU
SUSTAINED SURFACE WINDS GTR THAN 30KT EXP. CONDS CONTG BYD 15Z
THRU 21Z.
.
LLWS POTENTIAL...OR CA NV AND CSTL WTRS
BOUNDED BY 20S BTG-60NNE DSD-50NE LKV-80NNE FMG-FMG-50SSE RBL-
40WNW ENI-50NW FOT-60SSW ONP-40N ONP-20S BTG
LLWS EXP. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...TURB WA OR CA ID NV AND CSTL WTRS
BOUNDED BY 20SSW YDC-70SE YDC-60NNE BKE-20W DNJ-20W BOI-40ESE
REO-50N OAL-60S OAL-30ESE CZQ-30NNW CZQ-SAC-ENI-30SSE FOT-50NNW
FOT-60S HQM-20W TOU-20SSW YDC
MOD TURB BLW FL180. CONDS CONTG THRU 21Z.
....




672
WAUS45 KKCI 210845
WA5T
SLCT WA 210845
AIRMET TANGO UPDT 1 FOR TURB AND LLWS VALID UNTIL 211500
.
AIRMET TURB...ID MT NV WA OR CA AND CSTL WTRS
FROM 80WSW YXC TO 50ENE HVR TO 20ENE LWT TO 20SE BKE TO 70N FMG
TO 40NNE SAC TO 100WSW PYE TO 170WSW ENI TO 120WNW ONP TO 140W
TOU TO 40NW TOU TO 30NNW SEA TO 40WNW EPH TO 80WSW YXC
MOD TURB BTN FL180 AND FL390. CONDS CONTG BYD 15Z THRU 21Z.
.
AIRMET TURB...WY CO
FROM 30SSE DDY TO 40SW BFF TO 40SSE AKO TO 40SE PUB TO 40NE DBL
TO 70E OCS TO 30SSE DDY
MOD TURB BLW FL180. CONDS ENDG 12-15Z.
.
AIRMET TURB...MT
FROM 40NW HVR TO 40SSW HVR TO 30S GTF TO 40W HLN TO 40SSW FCA TO
50SSE YXC TO 40NW HVR
MOD TURB BLW FL180. CONDS ENDG 12-15Z.
.
AIRMET TURB...NV WA OR CA AND CSTL WTRS
FROM 20WNW HUH TO 50SW YDC TO 50NW EPH TO 20WSW EPH TO 30WSW PDT
TO 70NE LKV TO 60SSW OAL TO 30ESE CZQ TO 30N SAC TO 20NNW ENI TO
80WSW OED TO 70S HQM TO 20WSW TOU TO 20WNW HUH
MOD TURB BLW FL180. CONDS CONTG BYD 15Z THRU 21Z.
.
LLWS POTENTIAL...NV OR CA AND CSTL WTRS
BOUNDED BY 20S BTG-60NNE DSD-50NE LKV-80NNE FMG-FMG-50SSE RBL-
40WNW ENI-50NW FOT-60SSW ONP-40N ONP-20S BTG
LLWS EXP. CONDS CONTG BYD 15Z THRU 21Z.
.
OTLK VALID 1500-2100Z...TURB ID NV WA OR CA AND CSTL WTRS
BOUNDED BY 20SSW YDC-70SE YDC-60NNE BKE-20W DNJ-20W BOI-40ESE
REO-50N OAL-60S OAL-30ESE CZQ-30NNW CZQ-SAC-ENI-30SSE FOT-50NNW
FOT-60S HQM-20W TOU-20SSW YDC
MOD TURB BLW FL180. CONDS CONTG THRU 21Z.
....



924
WAUS46 KKCI 210845
WA6Z
SFOZ WA 210845
AIRMET ZULU UPDT 1 FOR ICE AND FRZLVL VALID UNTIL 211500
.
AIRMET ICE...WA OR CA ID NV AND CSTL WTRS
FROM 30S YDC TO 40SSW LKT TO 50WSW TWF TO 20NNW SNS TO 130WSW ENI
TO 140WSW FOT TO 140W TOU TO 20W HUH TO 30S YDC
MOD ICE BTN FRZLVL AND FL220. FRZLVL 050-120. CONDS CONTG BYD 15Z
THRU 21Z.
.
OTLK VALID 1500-2100Z...ICE WA OR CA ID MT NV AND CSTL WTRS
BOUNDED BY 50SE YXC-40SSE HLN-20ENE PIH-30NW SNS-80SSW FOT-140WSW
FOT-140W TOU-20W HUH-50SE YXC
MOD ICE BTN FRZLVL AND FL220. FRZLVL 050-110. CONDS CONTG THRU
21Z.
.
FRZLVL...RANGING FROM SFC-145 ACRS AREA
MULT FRZLVL BLW 100 BOUNDED BY 40WSW YDC-80WSW YXC-40SW YQL-
20SSE FCA-50S YKM-50S SEA-40WSW YDC
MULT FRZLVL BLW 120 BOUNDED BY 30ESE PDT-30NNW DNJ-50SE DNJ-
20ESE REO-30ENE LKV-70SSW DSD-20ENE DSD-30ESE PDT
SFC ALG 20E YDC-30WNW GEG-30ESE GEG
080 ALG 140WSW ENI-40SE FOT-50N RBL-90S LKV-40NNW FMG
120 ALG 140WSW SNS-20E SNS-30WNW BTY
....




920
WAUS45 KKCI 210845
WA5Z
SLCZ WA 210845
AIRMET ZULU UPDT 1 FOR ICE AND FRZLVL VALID UNTIL 211500
.
AIRMET ICE...ID NV WA OR CA AND CSTL WTRS
FROM 30S YDC TO 40SSW LKT TO 50WSW TWF TO 20NNW SNS TO 130WSW ENI
TO 140WSW FOT TO 140W TOU TO 20W HUH TO 30S YDC
MOD ICE BTN FRZLVL AND FL220. FRZLVL 050-120. CONDS CONTG BYD 15Z
THRU 21Z.
.
OTLK VALID 1500-2100Z...ICE ID MT NV WA OR CA AND CSTL WTRS
BOUNDED BY 50SE YXC-40SSE HLN-20ENE PIH-30NW SNS-80SSW FOT-140WSW
FOT-140W TOU-20W HUH-50SE YXC
MOD ICE BTN FRZLVL AND FL220. FRZLVL 050-110. CONDS CONTG THRU
21Z.
.
FRZLVL...RANGING FROM SFC-140 ACRS AREA
MULT FRZLVL BLW 140 BOUNDED BY 50NNW ISN-80SW DIK-50E LWT-
60WNW HVR-50NNW ISN
MULT FRZLVL BLW 120 BOUNDED BY 50S LWT-70ESE DDY-30SSW CYS-
20NNE DBL-30WNW ELY-40NE BAM-50SSW HLN-50S LWT
MULT FRZLVL BLW 100 BOUNDED BY 40WSW YDC-80WSW YXC-40SW YQL-
20SSE FCA-50S YKM-50S SEA-40WSW YDC
MULT FRZLVL BLW 120 BOUNDED BY 30ESE PDT-30NNW DNJ-50SE DNJ-
20ESE REO-30ENE LKV-70SSW DSD-20ENE DSD-30ESE PDT
SFC ALG 30ESE GEG-70SE MLP-60SW LKT-80WNW BAM-30SE CIM-60WSW
TXO-40SSW TXO
080 ALG 20ENE ALS-20ENE CIM-30ESE FTI-50NE CME-40SSW TXO
080 ALG 40NNW FMG-20NNE FMG-40NE HVE-50SE JNC
080 BOUNDED BY 50S MLP-60SSE MLP-50N LKT-20W LKT-50SW LKT-
40SSE DNJ-20WSW DNJ-40NNE BKE-90SSE GEG-70SSW MLP-50S MLP
120 ALG 30WNW BTY-40WNW INW-40ESE SSO-30S DMN-20NW ELP-50E
ELP-20N INK
....


 

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