National Weather Service United States Department of Commerce

Severe Weather Expected for Portions of the Midwest; Excessive Heat for the Central and Eastern U.S.

Severe storms capable of producing severe winds, large hail, tornadoes and heavy rainfall are expected through this evening across portions of the Midwest. A Moderate Risk (level 4 of 5) of Severe Storms and Excessive Rainfall is in effect. Excessive heat will continue to impact the Central and Eastern U.S. this week. Read More >

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. 

 


510
WAUS46 KKCI 152045
WA6S
SFOS WA 152045
AIRMET SIERRA UPDT 5 FOR IFR AND MTN OBSCN VALID UNTIL 160300
.
AIRMET IFR...WA OR CA AND CSTL WTRS
FROM 20NNW TOU TO 30SSE TOU TO OED TO 40SSE OAK TO 50SSW MZB TO
220SW MZB TO 140WSW FOT TO 140W FOT TO 110W ONP TO 140W TOU TO
20NNW TOU
CIG BLW 010/VIS BLW 3SM BR/FG. CONDS CONTG BYD 03Z THRU 09Z.
.
AIRMET MTN OBSCN...OR ID MT WY NV UT
FROM 20SW DLN TO JAC TO 20SSW SLC TO 80SSW TWF TO 70NNE BAM TO
40SSE REO TO 40WNW REO TO 60SW BKE TO 20NW DNJ TO 40WSW LKT TO
20SW DLN
MTNS OBSC BY CLDS/FU. CONDS CONTG BYD 03Z ENDG 03-06Z.
....




511
WAUS45 KKCI 152045
WA5S
SLCS WA 152045
AIRMET SIERRA UPDT 4 FOR IFR AND MTN OBSCN VALID UNTIL 160300
.
NO SGFNT IFR EXP OUTSIDE OF CNVTV ACT.
.
AIRMET MTN OBSCN...ID MT WY NV UT OR
FROM 20SW DLN TO JAC TO 20SSW SLC TO 80SSW TWF TO 70NNE BAM TO
40SSE REO TO 40WNW REO TO 60SW BKE TO 20NW DNJ TO 40WSW LKT TO
20SW DLN
MTNS OBSC BY CLDS/FU. CONDS CONTG BYD 03Z ENDG 03-06Z.
....



829
WAUS46 KKCI 152045
WA6T
SFOT WA 152045
AIRMET TANGO UPDT 3 FOR TURB VALID UNTIL 160300
.
NO SGFNT TURB EXP OUTSIDE OF CNVTV ACT.
....




828
WAUS45 KKCI 152045
WA5T
SLCT WA 152045
AIRMET TANGO UPDT 3 FOR TURB VALID UNTIL 160300
.
NO SGFNT TURB EXP OUTSIDE OF CNVTV ACT.
....



067
WAUS46 KKCI 152045
WA6Z
SFOZ WA 152045
AIRMET ZULU UPDT 3 FOR ICE AND FRZLVL VALID UNTIL 160300
.
NO SGFNT ICE EXP OUTSIDE OF CNVTV ACT.
.
FRZLVL...RANGING FROM 135-165 ACRS AREA
160 ALG 120WSW PYE-110SSW PYE-140SSW SNS-160WSW RZS
....




066
WAUS45 KKCI 152045
WA5Z
SLCZ WA 152045
AIRMET ZULU UPDT 3 FOR ICE AND FRZLVL VALID UNTIL 160300
.
AIRMET ICE...MT
FROM 30NNW HVR TO 60NE GGW TO 50NNW ISN TO 50SSW ISN TO 60SSE GGW
TO 30NNW HVR
MOD ICE BTN 120 AND FL240. CONDS DVLPG 00-03Z. CONDS CONTG BYD
03Z THRU 09Z.
.
FRZLVL...RANGING FROM 120-175 ACRS AREA
160 ALG 70WSW TUS-60WSW PHX-40N PGS-40WNW BCE-20NE DTA-40SSW
OCS-SNY
....


 

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