National Weather Service United States Department of Commerce

Widespread Precipitation and Gusty Winds in the West; Snow from the Great Lakes to the Northeast

A Pacific storm system is expected to bring strong winds and more precipitation to the western U.S., along with the likelihood of snowfall into the Sierra Nevada. Accumulating snow will develop downwind from the Great Lakes into parts of the Northeast through Saturday. Polar air will surge into the eastern half of the country this weekend. Read More >

Aviation Weather Hazard Safety

Welcome to our Aviation Weather Safety page!  Here, you will find information on common weather hazards that can affect the safety of flight.  Click on a section below for more information on a specific hazard:

Turb1
Turbulence
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Thunderstorms
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Icing
 
Ceiling and Visibility
Ceiling and Visibility
Low Level Wind Shear Safety
Low Level Wind Shear
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Density Altitude