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Seattle, WA

Center Weather Service Unit

ZSE AIRMETs

Weather.gov > Seattle, WA > 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. 

 

 

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

 

 

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