Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. 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.

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

ZSE RSS Feed

Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.

ZSE AIRMETs

Choose from the AIRMET types and regions below, or go to the Graphical AIRMET page at AWC.